Wolf Safety Lamp Company Limited
Wilson Power Solutions
West Coast Magnetics
VARLET
trafomodern Transformatorengesellschaft m.b.H.
TOYOGIKEN CO.,LTD.
TAMURA Corporation
SUMIDA
Stangenes Industries, Inc.
SMTmax
SIRMET ELETTRICA srl
Siemens Energy

79 Power Transformer Manufacturers in 2024

This section provides an overview for power transformers as well as their applications and principles. Also, please take a look at the list of 79 power transformer manufacturers and their company rankings. Here are the top-ranked power transformer companies as of February, 2024: 1.Pico Electronics, 2.Pacific Transformer, 3.Neeltran, Inc..

Table of Contents

List of 79 Power Transformer Manufacturers

*Including some distributors, etc.

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    • Pico Electronics
      • United States of America Address: 143 Sparks Avenue Pelham, New York, United States of America

      Manufacturer Overview

      Pico Electronics was founded in 1967 and is headquartered in Pelham, New York. Pico is a developer of miniature and ultra-miniature electronics used in aerospace, power generation, and military applications. The company specializes in miniature transformers and inductors designed to work in extreme temperature environments ranging from -55°C to +85°C (-67°F to +185°F). Pico Electronics also specializes in continued miniaturization. Other product listings include DC-DC converters, AC-DC power supplies, and power factor-corrected modules. The company also produces QPL MIL Spec products to military grade specifications such as transformers and inductors.

    • Stangenes Industries, Inc.
      • United States of America Address: 1052 East Meadow Circle, Palo Alto, California, United States of America

      Manufacturer Overview

      Stangenes Industries, Inc. started in 1974 and is headquartered in Palo Alto, California. The company is a manufacturer of magnetic cores and transformers used in the medical and research industries and various military applications. Customers include the United States Department of Energy as well as research facilities such as CERN and DESY in Europe and KEK in Japan. Transformers are the company’s primary product including pulse, isolation, current, and general transformers. The company also produces electromagnets, pulse modulators, power supplies, and magnetic cores.

    • Endicott Coil Co, Inc.
      • United States of America Address: 24 Charlotte Street Binghamton, New York, United States of America

      Manufacturer Overview

      Endicott Coil Co, Inc. established in Binghamton, NY, in 1954 is a supplier of custom wound magnetic components to original equipment manufacturers (OEMs). Their product portfolio includes CNC Winding for Transformer and Toroid Cores, CNC Winding of a Self-Supported Copper Coil, Custom Coil Winding Assemblies, Encapsulating of Wound-Copper Coils and Overmolding of Wound-Copper Coils. The company serves the industries such as aerospace, military, and medical. he company also offers customer services that include technical support, and customized services.

    • Design Criteria, Inc.
      • United States of America Address: 1821 W 4000 S, Roy, Utah, United States of America

      Manufacturer Overview

      Design Criteria, Inc., established in 1999 by Eng. Carl Belnap is a manufacturer and supplier of power controllers, magnetics, power supplies, LED Off-Road Lights, and smart inventory management systems used by DoD prime contractors, military, and private enterprises. The company in Roy, Utah, USA has services such as Engineering Consultants & Contracting for research and development, 3D printing to make complex geometries, and IPC training that can be cleared within 5 business days or less, depending on the sections to be taught.

    • Pacific Transformer
      • United States of America Address: 5399 East Hunter Avenue, Anaheim, California, United States of America

      Manufacturer Overview

      Pacific Transformer is a manufacturer and supplier of custom transformers and inductors. Based in California, USA, they are designing and manufacturing power transformers, isolation transformers, autotransformers, and other magnetic components for various industries. Established in 1981, they offer a wide range of products designed for applications such as power distribution, renewable energy, industrial automation, medical equipment, and more. One of their products is Inductors and Chokes, used for energy storage, filtering, and inductive load applications. They are commonly found in power supplies, audio systems, and electronic circuits.

    • Neeltran, Inc.
      • United States of America Address: 71 Pickett District Road, New Milford, Connecticut, United States of America

      Manufacturer Overview

      Neeltran, which stands for New Energy Transformer and Rectifiers, is headquartered in New Milford, Connecticut. The company is now a part of AMSC and is an ISO-9001-2015 certified designer and manufacturer of its own rectifier transformers and DC rectifiers to customers around the world across diverse industries including aerospace, mining, and petrochemicals. In addition to transformers and DC rectifiers, the company produces reactors and inductors, and turn-key solutions. The company also offers repair, retrofit, rewind, and remanufacturing of rectifiers and transformers.

    • Promark Electronics, Inc
      • United States of America Address: 829 Phillips Road Suite 400 Victor, New York, United States of America

      Manufacturer Overview

      Promark Electronics, Inc established in Victor, New York in 1987 is a manufacturer of wire harnesses and cable and electromechanical assemblies used in commercial electric vehicles. Their product portfolio includes printed circuit boards, power supplies, magnetics, fabricated sheet metal, and aluminum extrusions that are used in industries such as medical, telecommunication, military, and automotive. The company has ISO certified manufacturing facilities, a customer support center, and a product development center.

    • Electronics & Innovation, Ltd.
      • United States of America Address: 150 Research Blvd., Rochester, New York, United States of America

      Manufacturer Overview

      Electronics & Innovation, Ltd. (E&I), founded in 2003 with headquarters in Rochester, New York, is a manufacturer of RF power amplifiers. Their product range includes broadband RF amplifiers, amplifier modules, phased array systems, impedance matching and variable transformers, and RF components, catering to diverse applications in medical, security & defense, test & measurement, aerospace, and communications. These products enable accurate signal analysis in research and development processes and are utilized in wireless communication systems for remote patient monitoring in the medical sector and support radar and communication systems in security & defense.

    • AFP Transformers Corp.
      • United States of America Address: 970 New Durham Road, Edison, New Jersey, United States of America

      Manufacturer Overview

      AFP Transformers Corporation was founded in 1992 as a conglomerate of 3 other veteran companies and is headquartered in Edison, New Jersey. The company is a manufacturer of components used by mining, wastewater, semiconductors, public utilities, and other industries. The company’s products include specialty magnets, power quality products, and the company’s namesake, transformers. The company’s transformer lineup covers standard heating and furnace transformers to types of epoxy-cast transformers with both primary and secondary coils cast in a mold under a vacuum, embedding them in epoxy material to protect them from contaminates and damage during power surges.

    • Manutech, Inc.
      • United States of America Address: 7901 NW 67th Street Miami, Florida, United States of America

      Manufacturer Overview

      Established in 1984, Manutech, Inc. is a US-based manufacturer specializing in precision industrial machinery. The company designs and produces advanced machinery and equipment for various industries. With a foundation dating back to its establishment, Manutech, Inc. engineers solutions. Their products range from automated assembly systems to specialized manufacturing equipment, serving industries like automotive, electronics, and aerospace. Manutech, Inc.'s devotion to excellence is evident in their machinery, tailored to enhance operational efficiency. Examples include robotic assembly systems for automotive production and precision manufacturing equipment for electronics.

    • Lenco Electronics, Inc.
      • United States of America Address: 1330 S. Belden St., McHenry, Illinois, United States of America

      Manufacturer Overview

      Lenco Electronics, Inc., Since 1973, is a manufacturer custom inductors and transformers such as PCB transformers, constant voltage, autotransformers, and custom transformers. The company also provides NEMA 1 enclosures with removable panels and knockout holes to make electrical connections simple. The McHenry, Illinois-based company services the power production and distribution, electronics, telecommunications, automotive, and electronics industries, and it is a member of the Transformer Association. The business's impregnation area is equipped with three walk-in ovens for the labor-intensive curing process as well as impregnation tanks for vacuum Epoxy and varnish.

    • Intermatic Incorporated.
      • United States of America Address: 1950 Innovation Way, Suite 300 Libertyville, Illinois, United States of America

      Company Overview

      Intermatic Incorporated, a company established in 1891, based in Libertyville, Illinois, USA, is a manufacturer and supplier of lighting control and energy management solutions. The company provides various products such as mechanical and electrical timers, surge protection devices, weatherproof covers, and Wi-Fi enabled solutions. These products are used for various applications such as power protection, backup, security, test and measurement, medical and industrial fields. While it continues to adapt and evolve to changing customer needs, its pledge to quality, and dependability remains steadfast.

    • SMTmax
      • United States of America Address: 5675 Kimball Ct Chino, California, United States of America

      Company Overview

      SMTmax, headquartered in California and established in 2009, is a manufacturer and supplier of SMT tools and equipment for both prototyping and production purposes. Its product offerings encompass pick and place machines, stencil printers, BGA stations, reflow ovens, station parts, and have expanded into the dental clinic and lab fields. The company also provides additional services such as circuit board production, electronic test and measurement instrument manufacturing, customized electronic hardware design, and software development, making them a comprehensive solution for various electronic and manufacturing needs.

    • C.A. Spalding Co.
      • United States of America Address: 1200 W. Industrial Park Drive Suite B Nogales , Arizona, United States of America

      Company Overview

      C.A. Spalding Co. Inc., established in 1954 in the United States, is a manufacturer and supplier of industrial heating and combustion equipment. The company's comprehensive product range encompasses a wide variety of offerings such as process heaters, air heaters, and industrial burners. These cutting-edge solutions are utilized in industries including manufacturing, energy, and petrochemicals. With decades of expertise, C.A. Spalding Co. Inc. remains devoted to providing quality, efficient equipment that enhances industrial processes and results in energy efficiency. Their aim is to continually bring up and support industries with advanced heating and combustion solutions.

    • Coilcraft Inc.
      • United States of America Address: 1102 Silver Lake Road, Cary, Illinois, United States of America

      Company Overview

      Coilcraft was founded in 1945 and is headquartered in Cary, Illinois. The company is a designer, manufacturer, and distributor of high-performance magnetic components for industries including automotive and computing. The company’s standard products include power devices such as inductors, RF devices, transformers, and EMI components. The company’s automotive division offers transformers, inductors, chokes, and filters operation down to -40 degrees. The company also offers design tools to help customers understand the correct product for their needs and optimum system operational parameters.

    • TOYOGIKEN CO.,LTD.
      • Japan Address: 4-8-7 Nagajigongencho, Okaya, Nagano, Japan

      Manufacturer Overview

      Toyogiken Co. Ltd (TOGI) is a manufacturer in electrical machinery and accessories. They design, develop and sell terminal blocks, transformers, cables, box terminals, PC board terminals and related accessories. TOGI headquartered in Nagano, Japan has set up their global operations in China, Taiwan, Korea, Thailand, Indonesia, Malaysia and Vietnam. The company is ISO:9001 2015 certified. In addition they are also involved in solar power business operations. TOGI holds 7 patents, 5 trademark patents and 48 utility model patents.

    • General High Voltage Ind. Ltd
      • United Kingdom Address: New Road, Bridgnorth, Shropshire, United Kingdom

      Manufacturer Overview

      General High Voltage Ind. Ltd, founded in Shropshire, the UK, in 1991 is a manufacturer of high voltage power supplies. The company's product portfolio includes Electron beam welding machines, Industrial X-ray PSUs, Capacitor charging PSUs, Laser PSUs, and Electrostatic precipitators. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. They also provide equipment repair, instrumentation system upgrades, and retrofits, and preventive maintenance.

      • China Address: Paiyantou Industrial Zone Liushi Wenzhou, Zhejiang, China

      Manufacturer Overview

      Yueqing Hean Electrical Co. Ltd. is a manufacturer of low- and high-voltage electrical equipment and appliances that was established in Zhejiang, China, in 2006. The company’s product lineup includes din-rail modular kilowatt-hour meters for measuring energy consumption, surge protectors for insulating electrical equipment from spikes or surges, and circuit breakers for protecting electrical circuits from shorts or overloads. The company’s products are used mainly by clients in China’s construction, infrastructure, and electrical industries.

    • Produal
      • Finland Address: Keltakalliontie 18 KOTKA, Finland

      Manufacturer Overview

      Produal, founded in 1987 in Kotka, Finland, is a manufacturer of building automation measurement and control devices. The company's product line includes transducers in which it measures and convert energy, building controllers manages system operations, wireless transmitters enables remote communication, passive sensors detect environmental input, and thermal actuators and control valves regulate fluid flow. These devices are instrumental in optimizing HVAC systems, enhancing energy efficiency, and ensuring building comfort.

    • TAMURA Corporation
      • Japan Address: 1-19-43 Higashi-Oizumi Nerima-ku, Tokyo, Japan

      Manufacturer Overview

      TAMURA Corporation, founded in 1924 and headquartered in Tokyo, Japan, serves as a manufacturer and supplier of electronic and magnetic components. Its product lineup encompasses gate drivers for power switches, current sensors for measuring current flow, power modules for efficient power conversion, LED drivers for LED control, and transformers, reactors, and choke coils for energy transfer and regulation. These solutions provide dependable choices for system and machine design across industrial, automotive, communication, medical, and lighting sectors.

    • Jiangsu Zhongtian Technology Co., Ltd.
      • Jiangsu Zhongtian Technology Co., Ltd.
        Transformer

      • China Address: No. 88 Qixin Road, Nantong Economic and Technical Development Area,Jiangsu Province, China

      Manufacturer Overview

      Jiangsu Zhongtian Technology Co., Ltd., established in 1992 and headquartered in Nantong, China, is a manufacturer of fiber-optic communication and power transmission products. The company offers a range of products, including optic cables, optic fibers, electric cable materials and accessories, and more. It also offers submarine cables, lithium-ion batteries, and photovoltaic technologies. Its product has a compact and lightweight design and has long-distance transmission capabilities. The company has achieved ISO 9001:2000 certifications for its quality management systems. It serves industries such as communication, power transmission, and more.

    • Sanergrid Group
      • France Address: 34 AVENUE DES CHAMPS ELYSEES, Paris, France

      Manufacturer Overview

      Sanergrid Group, headquartered in Lyon, France, is a manufacturer of a diversified array of risk protection solutions along with transformers. The company manufactures simple retention bins, fire-resistant retention bins, and anti-vibration systems. It also specializes in providing coated dry power transformers, galvanic anti-corrosion protection, and oil power transformers. Its simple retention bins have detachable or welded facades, capable of carrying the load of the transformer or rolling a transformer inside, with the possibility of equipping them with non-slip gratings. Its manufacturing plants are ISO 9001 and ISO 14001 certified for the quality management process and environmental management process.

    • Pomanique Electric Co., Ltd.
      • China Address: F14, Building 3, headquarters economy garden, 6688 Xuyang RD, Yueqing, Zhejiang, China

      Manufacturer Overview

      Pomanique Electric Co., Ltd. was founded in 1996 and is located in Wenzhou, China is a manufacturer specializing in power transmission and distribution equipment. The company offers a range of products, including GX auto-recloser with silicone rubber bushing, pomanique ZX-15 series three phase recloser, and VCB-12 series solid sealed indoor vacuum circuit breaker. These products find applications in power distribution companies, electrical engineering research facilities, and domestic electric wiring. These products are certified by KEMA laboratories.

    • Channel Well Technology Co.,Ltd.
      • Taiwan Address: No.222, Sec. 2, Nankan Rd., Luzhu Dist., Taoyuan City, Taiwan

      Manufacturer Overview

      Channel Well Technology Co.,Ltd., founded in 1938 and headquartered in TaoYuan, Taiwan, is a manufacturer of power supply products. The company manufactures power supply products that are applicable in fields like information technology, communication, consumer electronics and especially the low dissipative and low noise power supplies for the desktop industry. Its product lineup includes PC and IPC power supply, industrial and telecom power supply, adapters, USB charger and electric vehicle chargers. The company has acquired ISO and IATF certifications for quality management and an IECQ certificate for hazardous substance process management.

    • CDVI Ltd
      • United Kingdom Address: Unit B1, Knaves Beech Business Centre Davies Way Loudwater, Buckinghamshire HP10 9QR, United Kingdom

      Manufacturer Overview

      CDVI, founded in 1999 and headquartered in High Wycombe, Buckinghamshire, is a manufacturer of cutting-edge security solutions. The company offers a range of products, from online and standalone access control to locking, door automation, and next-generation biometric entry systems. The product lineup includes brackets for 180kg magnetic locks, universal fixing kits for 300kg to 500kg magnets, large surface armature housings for 300kg magnets, economy surface armatures for 300kg magnets, and cover plates for glass doors for 300kg magnets. These products are applied in access control solutions for homes, education, healthcare facilities, small businesses, and government buildings.

    • Hammond Manufacturing Ltd
      • Canada Address: 394 Edinburgh Rd North Guelph, Ontario, Canada

      Manufacturer Overview

      Hammond Manufacturing, established in 1917 and headquartered in Guelph, Ontario, is a manufacturer that specializes in electrical and electronic enclosures, cabinets, racks, and outlet strips. The company offers a wide range of products, including small enclosures, rack cabinets, and power distribution and surge protection for electronic devices. It also provides die-cast aluminum enclosures, watertight enclosures, and plastic enclosures. Its enclosures are designed to protect and house electrical and electronic components. The company has achieved ISO 9001 Certification and RoHS Compliance. It serves a wide range of industries, including automotive, mining, petrochemical, packaging, and government.

    • Comelit Group SpA
      • Italy Address: Via Don Arrigoni 5 - 24020 Rovetta S. Lorenzo BG, Italy

      Manufacturer Overview

      Comelit Group SpA, established in 1956 and headquartered in Bergamo, Italy, is a manufacturer that designs and creates door entry, video surveillance, anti-intrusion, access control, and fire-prevention systems. The company's products include Ultra, Bello, Quadra, Ciao, 2812W, and more. It also provides audio and video door entry solutions, intercoms, and mobile Apps. Its mobile app, Comelit App, allows users to open doors and gates from the comfort of their couch, office, or even another country. It has achieved the German Design Awards in 2017. It serves various industries, including security, home automation, and fire prevention.

    • EREMU, SA
      • Spain Address: Donosti Ibilbidea, 70 – Parc. 5-6 ASTIGARRAGA, Gipuzkoa, Spain

      Manufacturer Overview

      EREMU, SA, founded in 1958 and located in Astigarraga, Guipuzcoa, is a manufacturer and repairer of electrical transformers and other electrical equipment. The company offers a range of products, including low-voltage transformers, automatic voltage regulators, cast resin transformers, three-phase autotransformers, and light flow regulators. These transformers have applications in laboratory power supply, aeronautics and defense, renewable energy, telecommunications, and solutions to electrical network issues. It complies with international manufacturing and testing standards, such as IEC, UNE, NEMA, and UL.

    • Hunan Along New Energy Technologies Co., Ltd
      • China Address: No.529, Yinshan Road, Guanshaling, Yuelu District, Changsha, Hunan, China

      Manufacturer Overview

      Hunan Along New Energy Technologies Co., Ltd is located in Changsha City, Hunan province, China, and was founded in 2008 is a manufacturer specializing in the resource utilization of organic waste and biogas conversion for electricity generation. The company offers a range of products and services, including anaerobic fermentation systems, biogas pre-treatment systems, biogas-CNG conversion systems, biogas storage systems, and membrane separation technology for recycling bio-liquid. These products and services find applications in purification plants, the animal feed industry, food production and processing industry, and animal husbandry.

    • ARO Welding Technologies SAS
      • France Address: 1, Avenue de Tours, BP 40161, Château du Loir, Montval-sur-Loir, France

      Manufacturer Overview

      ARO Welding Technologies, founded in 1949 and headquartered in Chateau-du-Loir, Le Mans, France, is a manufacturer of welding systems. The company offers a comprehensive product portfolio, including stationary welding machines, welding measuring tools, robotic welding guns, stationary welding tools, and welding controls and software. These products are used in automotive, aerospace, and general industrial applications. It also provides services such as project management, welder training, parameter optimization in the laboratory, and rectifying existing faults.

    • Shihlin Electric&Engineering Corp
      • Taiwan Address: 16F., No.88, Sec.6, Zhongshan N. Rd., Taipei, Taiwan

      Manufacturer Overview

      Shihlin Electric and Engineering Corp, founded in 1955 and headquartered in Taipei, Taiwan, is a manufacturer of heavy electrical systems, electrical equipment, machinery, and automation. The company offers a diverse product catalog, including miniature circuit breakers, magnetic contactor switches, molded case circuit breakers, oil-immersed distribution transformers, and Shihlin SDC-A servo - economic pulse type. These products have applications in domestic electrical distribution, factory automation, laboratory power supply, aeronautics and defense, and renewable energy.

    • Shanghai Delixi Group Co. LTD
      • China Address: No. 9399 Beiqing Hwy, Qingpu District, Shanghai, China

      Manufacturer Overview

      SH-DELIXI Ltd. is based in Qingpu District, Shanghai, and was founded in 1998 is a manufacturer of electrical equipment for power transmission and distribution. The company offers a range of products, including high and low-voltage complete electrical equipment, box-type substations, power transformers, rubber-insulated welding machine cables, and physically foamed polyethylene-insulated cable for cable television systems. These tools find applications in construction, major infrastructure projects, petrochemical manufacturing, domestic power distribution, and transportation.

      • Vietnam Address: FactoryC-1B-C13,lot C-1B-CN,DE5 Road,My Phuoc 3 Industrial Park,Thoi Hoa Ward,Ben CatCommune,Binh Duong Province, Vietnam

      Manufacturer Overview

      Click Technology (VIETNAM) Company Limited, established in 2004 and based in Baoan District, Shenzhen, China, is a manufacturer of electronic transformers, inductors, and other magnetic components. The company offers a comprehensive product portfolio, including industrial communication customized power supplies, new energy magnetic devices, traditional magnetic components, consumer terminal adapters, and DC power supply inverters. These products find applications across various industries, including electronic manufacturing, green and renewable energy, LED lighting, networking, and telecommunications.

    • Li Tone Electronics
      • Taiwan Address: No. 29, Ln. 331, Sec. 1, Jieshou Rd., Sanxia Dist., New Taipei City, Taiwan

      Manufacturer Overview

      Li Tone Electronics, established in 1986, is a manufacturer and supplier of electronic components and power supplies, headquartered in New Taipei City, Taiwan. Their product range includes high-frequency transformers, power inductors & coils, AC/DC adapters, and LED drivers. These products can be applied in industries such as telecommunications, consumer electronics, industrial automation, and automotive. Li Tone Electronics is certified with ISO 9001 for quality management and ISO 14001 for environmental management.

    • SUMIDA
      • Japan Address: KDX Ginza East Building 7F, 3-7-2, Irifune, Chuo-ku, Tokyo, Japan

      Manufacturer Overview

      Sumida Group, founded in 1956 with headquarters in Japan, is a manufacturer of inductive components and modules. The company's wide range of products includes power transformers, power inductors, sensors, actuators, and components for automotive and medical purposes. Sumida’s products are used in a wide range of applications and electronic devices within the consumer electronics, automotive, medical, and industrial markets. In 2021, Sumida was recognized with a Quality Award from CODICO and a Supplier Quality Excellence Award from General Motors.

    • Pulse Electronics
      • Australia Address: Grafenberger Strasse 37 3730 Eggenburg, Australia

      Manufacturer Overview

      Pulse Electronics, founded in 1947 and currently a subsidiary of Yageo Corporation in Taiwan, is a passive electronic manufacturer headquartered in San Diego, California. The company specializes in producing passive electronic components, including antennas and connectors, inductors, current sensing products, power supplies, and power and networking magnetics. With offices and manufacturing facilities in 10 countries worldwide, Pulse serves a wide range of industries. For example, in the transportation sector, the company offers wired and wireless solutions for advanced driver assistance systems (ADAS). Other industries served by Pulse include communication, computing, consumer goods, public safety, and the Internet of Things (IoT).

    • Himalayal Corporation
      • China Address: 23F, Citybank Group Building, 33Huayuanshiqiao Road, Shanghai, China

      Manufacturer Overview

      Himalayal Corporation was established in 1970 and is located in Shanghai, China, is a manufacturer and supplier of high-voltage test equipment and systems to the Electronics & Electrical industries. The company provides ac dielectric test systems, impulse voltage generators, resonant test systems, partial discharge test systems, and, tan delta test systems along with power transformers, circuit breakers, gas treatment devices, power cable & insulator testing, protection relay test set that have applications in appliances, power generation, electronic gadgets, and, energy sectors.

    • Siemens Energy
      • Germany Address: Otto-Hahn-Ring 6 81739 , Munich, Germany

      Manufacturer Overview

      Siemens Energy is a manufacturer and supplier of energy technology since 2020 and is headquartered in Munich, Germany. They design, manufacture and provide energy technology solutions that suit specific application requirements. Their offerings include power and heat generation, grid technologies, and renewable energy solutions like wind energy, and energy services aimed at optimizing performance and achieving maximum output. Siemens Energy provides services and products to a wide range of industries, including power generation, transmission and distribution, renewable energy, and industrial operations. Their products and services help these industries improve their energy efficiency with sustainability.

    • S.G. Smallwood Inc.
      • Canada Address: 699 Wabanaki Drive Kitchener, Ontario, Canada

      Manufacturer Overview

      S.G. Smallwood Inc. (SGS) is a Canadian contract manufacturer specializing in custom transformers and related assemblies that was established in Kitchener, Ontario in 1945. The company offers a range of specialized capabilities, including design, engineering, precision linear winding, precision toroidal winding and layer winding services. These are utilized to produce transformers, windings, inductors, and assemblies according to customer specifications. SGS mainly serves clients in the power supply, consumer electronics, audio equipment, and telecommunications sectors.

    • Electronic Craftsmen
      • Canada Address: 73 Schaefer Street Waterloo, Ontario, Canada

      Manufacturer Overview

      Electronic Craftsmen is a Canadian custom manufacturer specializing in inductors and transformers that was originally founded in 1956 as E Craftsmen Corporation. From their 23,000 sq ft facility in Waterloo, Ontario, the company produces various custom magnetics including power, toroidal, and flyback transformers, common and differential mode chokes, and filter inductors. These are used by clients in the renewable energy, aviation, and industrial manufacturing sectors. Electronic Craftsmen has an onsite machine shop from which it provides additional services for customer projects, such as engineering, encapsulation, prototyping, and testing.

    • Louth Transformer Company Limited
      • United Kingdom Address: Belvoir Way Fairfield Industrial Estate Louth, Lincolnshire, United Kingdom

      Manufacturer Overview

      Louth Transformer Company Limited is a company established in 1976 and based in Louth, England, as a manufacturer of electrical transformers. It specializes in manufacturing PCB mounted, three-phase auto, control panel, portable tool, and cased autotransformers. It also manufactures transformer cases, transformer rectifiers, clamp and frame transformers. The company is CE-certified and in compliance with the RoHS standards. Its manufactured products are utilized in oil and gas, power generation, industrial, transportation, and railway signaling sectors across the UK.

    • ETI Elektroelement d.o.o.
      • Slovenia Address: Obrezija 5, 1411, Izlake, Slovenia

      Manufacturer Overview

      ETI is a manufacturer of electrical protection and control products based in Slovenia, Central Europe where it was established in 1950. The company deals in circuit breakers and switches along with enclosures, distribution boards, and equipment ETIBOX. The company is also known for manufacturing transformers, contractors, fuses, and control devices. These products are installed as integral solutions for the protection of electrical equipment and components in residential and commercial buildings, in the field of electric power and industry electrical installations.

    • MTM Power
      • Germany Address: Zirkel 3 Schwarzatal, Thüringen, Germany

      Manufacturer Overview

      MTM is a manufacturer of power supplies and transformers that was established in 1990, in Germany. The company deals in AC/DC Power supplies, converters, battery chargers, transformers, and more and the company uses thermoselective vacuum encapsulation technology for its products which is their patent design. These Vacuum Encapsulated Power modules have applications in the railway, transport, power plants, chemical, and telecom industries along with use in e-mobility, special vehicles, industrial robots, and safety-conscious areas such as petrochemical drilling platforms.

    • RCD Components, Inc.

      Manufacturer Overview

      RCD Components, Inc. established in 1972 and based in Manchester, New Hampshire, is a manufacturer and supplier of standard and custom resistors and capacitors. The company's product range includes resistors, capacitors, inductors, resistor networks, and delay lines. These components are essential for various applications within electrical circuits, ensuring accurate electrical values and functionality. Providing services to industries like appliances, electrical, and electronics manufacturing, these products play a pivotal role in the performance of electronic devices. The company's services include assembly services, the specialized SWIFT program for rapid delivery, custom product development, and delay line provisions.

    • People Electric Appliance Group Co., Ltd.
      • People Electric Appliance Group Co., Ltd.
        Transformer

      Manufacturer Overview

      People Electric Appliance Group Co., Ltd., headquartered in Yueqing, Zhejiang, China, is a manufacturer of electrical equipment. Its diverse product range includes circuit breakers, contactors, disconnectors, switchgear, and control panels. These products find applications in power generation and transmission, industrial automation, and commercial and residential construction industries. The company's equipment is designed to safeguard and regulate electrical circuits, ensuring safe and efficient operations. The company also holds certifications such as ISO 14001 Environmental Management System, ISO 45001 Occupational Health & Safety Management System, and ISO 9001 Quality Management.

    • Enerdoor

      Manufacturer Overview

      The Enerdoor Group has been a manufacturer of power and electromagnetic solutions, established in 1992 in Milan, Italy. The company designs various types of filters that conform to the new short circuit current rating (SCCR) request of the UL508A for control panels, like EMI-RFI Filters, DC EMI Filters, Parallel Filters, and Medical and Military Filters. They also provide EMC, motor protection, and harmonic filter solutions which overall cater to Power Quality Solutions for Automated Machinery, Medical Industry, and Industrial Plants.

    • Shanghai Electrical Machinery Group Co Ltd

      Manufacturer Overview

      Shanghai Electrical Machinery Group Co Ltd., established in 2010 and headquartered in Shanghai, China, is a manufacturer that specializes in energy equipment, industrial equipment, and integration services. The company has a wide range of products, including thermal power equipment, nuclear power equipment, wind power equipment, power transmission and distribution equipment. It also provides elevators, machine tools, and automation equipment. Its product leads to reduced emissions, which can have a positive impact on the environment. The company has achieved ISO 14001:2004 Certification for its environmental management systems. It serves several industries, including energy, environmental protection, industrial automation, and elevators.

    • Dongguan Wahhing Electrical Appliance Co., Ltd

      Manufacturer Overview

      Wah Hing, founded in 1980 and headquartered in Dongguan, Guangdong, is a manufacturer of transformers and power switching supplies. The company offers a diverse product range, including a solar photovoltaic power generation system, PV three-phase isolation transformer, three-phase filter reactor, golf cart lead-acid battery charger, and portable EV charger. These products have applications in railway auxiliary power systems, UPS uninterruptible power systems, EPS emergency power systems, power distribution systems, and medical test equipment.

    • Exxelia

      Manufacturer Overview

      Exxelia was born in Paris, France in 2009 from the merger of five companies, the oldest of which was SIC-SAFCO, founded in France in 1921. The combined conglomerate is a manufacturer of electronic components to electronics manufacturers worldwide. The conglomerate’s entities are organized into 3 global business units: Capacitors, Magnetics, and Resistors & Subsystems. Capacitors are divided into basic materials such as aluminum electrolytic, ceramic, film, and tantalum. Magnetics are divided into functions with inductors, transformers, and rotors as subsections. Resistors & Subsystems are also divided by function and design with resistors, filters, position sensors, and mechanics & subassembly.

    • West Coast Magnetics

      Manufacturer Overview

      West Coast Magnetics, headquartered in Stockton, California, is a manufacturer of transformers and inductors and was founded in 1974. They produce electronic components including filters, coils, transformers, inductors, and also chokes, which are available in various frequency, power, and voltage ratings, suitable for wireless charging, power filtering, buck-boost, and high ripple applications. West Coast Magnetics is ISO 9001 and ISO 13485 certified, ITAR registered, and also complies with RoHS regulations.

    • Murrelektronik GmbH

      Manufacturer Overview

      Murrelektronik, a manufacturer of industrial automation solutions, founded in 1974, and located in Murrhardt, Germany. The company specializes in manufacturing power supplies, interfaces, cables and connectors, and IO systems, utilized across diverse industries, including machine building, automation, packaging, and food processing. Their interfaces enable seamless device and system connections in industrial automation, featuring fieldbus, Ethernet, and serial interfaces. Providing secure and dependable connections, their cables and connectors encompass shielded, fiber optic, and various connector options. Murrelektronik is ISO 9001:2015 certified for its quality management system.

    • Piller, Inc.
      • Germany Address: Abgunst 24 37520 Osterode, Germany

      Company Overview

      Piller, Inc., established in 1909 and based in Osterode/Harz, Germany, is a manufacturer and supplier of uninterruptible power supply (UPS) systems and ground power systems. The company's product range includes UB-V electrically coupled UPS, containerized UPS, stabilizers, static transfer switches, and kinetic energy storage. These products ensure power provision and protection. They serve industries such as data hosting & IT, airports and aviation, banking & finance, and energy. The company offers services such as support, a network of technicians, global support in over 50 countries, and round-the-clock service availability.

    • Chongqing Xianglong Electric Co., Ltd.
      • China Address: No.23, Longshan Road, Pulv Town, Tongliang District, Chongqing, China

      Company Overview

      Chongqing Xianglong Electric Co. Ltd., founded in 2011, is a Chinese manufacturer and supplier based in Tongliang, Chongqing, specializing in power supply equipment for rail transits. The company offers direct current (DC) traction box-type substations, DC switchgear, as well as amorphous and dry-type rectifier transformers. It also manufactures a range of high- and low-voltage energy-saving equipment. Certified with ISO 9001:2000 and OHSAS 18001, the company collaborates with entities, including China Railway Rolling Stock Corporation (CRRC), China Railway Eryuan Engineering Group (CREEC), and various research institutions, to develop and provide technical services for power grid and energy-saving products.

    • Wolf Safety Lamp Company Limited
      • Wolf Safety Lamp Company Limited
        TRANSFORMERS

      • United Kingdom Address: Saxon Road Works, Sheffield, South Yorkshire, S8 0YA, United Kingdom

      Company Overview

      Wolf Safety Lamp Company, founded in 1880 as a distributor for German’s Friemann & Wolf Batterietechnik GmbH, is a British manufacturer headquartered in Sheffield, South Yorkshire, developing portable and temporary lighting for hazardous areas. The company introduced compressed air-operated lamps and expanded its product range to include industrial safety lamps, such as torches, headlamps, as well as warning lights. Under the brand LinkEx, the company offers temporary luminaires, work lights, and lead lamps. It also provides transformers, splitter boxes, and various cables for power distribution solutions. These ATEX and IECEx-certified products are designed for use in potentially explosive atmospheres.

    • Hong Ky Corporation
      • Vietnam Address: No. 38 Tay Lan street, Binh Tri Dong A Ward, Binh Tan District, Ho Chi Minh City, Vietnam

      Company Overview

      Hong Ky Corporation was established in 1986 and is a manufacturer and distributor of welding transformers and cutting machines based in Ho Chi Minh, Vietnam. The company offers various products such as inventer arc welding machine, electronic spot welder, bench drilling machine, flange aluminum electric motor, and cut-off saw cutting machine. These products serve various industries, including automotive, steel, woodworking, packing, and welding. The company has obtained ISO 9001:2015 certification, passed the CE Marking standard, and received certification as "High-Quality Vietnam Goods" and "Trusted Green" in Vietnam.

    • trafomodern Transformatorengesellschaft m.b.H.
      • trafomodern Transformatorengesellschaft m.b.H.
        Transformers

      • Austria Address: Industriestraße II/11, Hornstein, Burgenland, Austria

      Company Overview

      Trafomodern Transformatorengesellschaft m.b.H. was founded in 1945 and is headquartered in Burgenland, Austria is a manufacturer and supplier of inductive electrical components and power transformers. The company offers products including single-phase control transformers with preferred rated voltages, single-phase matching transformers, GW– DC power supply units, DDK – three-phase commutating chokes, and DT – three-phase matching transformers. These products are used in machine and plant construction, renewable energy, electrical mobility, and electrical drives.

    • CHALLENGE INDUSTRIAL CO., LTD.
      • Taiwan Address: 1F, #46, Lane 80, Section 3, Nangang Road, Nangang District, Taipei City, Taiwan

      Company Overview

      CHALLENGE INDUSTRIAL CO., LTD., established in 1974 and based in Taipei, Taiwan, is a manufacturer, supplier, and distributor of indoor and outdoor current and potential transformers. The company also produces products such as electronic energy meters, distribution transformers, electrical reactors, and resin insulators, besides offering electrical and electronic equipment to different industries and businesses. All its products are used in revenue and switchboard applications and supplied to power, engineering, and construction firms in different countries such as Japan, Canada, Russia, the United States, and other countries.

    • MARTIGNONI ELETTROTECNICA SRL
      • Italy Address: Corso Italia, 8, 20020 Vanzaghello MI, Italy

      Company Overview

      MARTIGNONI ELETTROTECNICA SRL was established in 1970 and is a manufacturer and supplier of corona treaters, antistatic systems, and electric transformers based in Vanzaghello, Milano, Italy. The company manufactures various products such as extruflex hp150, flammatore 3D, and charge generators. The products have been used in various application, including the installation of corona treater for extrusion coating lines and blown extrusion lines in factories. The company has participated in Labelexpo Europe 2023 with the company's own stand to present the products.

    • Hammond Manufacturing Ltd.
      • Canada Address: 394 Edinburgh Rd North, Guelph, Ontario, Canada

      Company Overview

      Hammond Manufacturing Ltd is a manufacturer of transformers, racks, and enclosures. The company is based in Guelph, Ontario, Canada since 1917. Hammond Manufacturing's range of products includes racks and cabinets, electrical and electronic enclosures, power bars, and low-voltage transformers. They also manufacture general accessories such as door clamping and mounting hardware. The company provides product customization services and technical support to electronic and electrical manufacturers, utilities, and institutions through its global network of distributors and agents.

    • Doepke Schaltgeräte GmbH

      Company Overview

      Doepke Schaltgeräte GmbH was founded in 1956 and is a manufacturer, distributor, and supplier of residual current protection and electricity products based in Norden, Germany. The company's product portofolio includes fire protection switches, modular residual current devices, residual current operated circuit-breakers with integral overcurrent protection, undervoltage measuring relay, and doorbell transformers. The company has obtained the ISO 9001:2015 certificate for the quality management system. The products manufactured by the company are conformed to the standards of RoHS, REACH, and DLS.

    • Rockwell Automation

      Company Overview

      Rockwell Automation, Inc. was founded in 1903 and is headquartered in Milwakee, WI. Rockwell Automation provides industrial automation and digital transformation solutions around the world. Rockwell Automation operates through their intelligent devices, software & control, and lifecycle services segments with both hardware and software products and services. The Intelligent Devices segment offers drives, motion, safety, sensing, industrial components, and configured-to-order products. The Software & Control segment provides control and visualization software and hardware, information software, and network and security infrastructure solutions. The Lifecycle Services segment provides consulting, professional services and solutions, and connected and maintenance services through independent distributors.

    • CG Power & Industrial Solutions Ltd.
      • India Address: CG House, 6th Floor, Dr Annie Besant Road, Worli, Mumbai, Maharashtra, India

      Distributor Overview

      CG Power & Industrial Solutions Ltd., established in 1937 and headquartered in Mumbai, India, is a supplier that designs and markets products related to power generation, transmission, and rail transportation. The company offers a range of products and services, including MV switchgear, VCB, PCVCB, GIS, and RMU. It also provides rail transportation equipment like traction motors, converters, cubicles, relays, and point machines. It offers turnkey solutions for transmission and distribution (T&D) through sub-station projects, engineering, procurement, and construction (EPC). The company has achieved ISO 9001 and ISO 18001 certification. It serves industries such as utilities, power generation, and rail transportation.

    • Grid Solutions

      Distributor Overview

      Grid Solutions, established in 1892, is a global producer and distributor of GE Renewable Energy solutions headquartered in Boulogne-Billancourt, France. The company is a part of GE Vernova with over 12,000 employees offering equipment, systems, and services to power utilities and industries, ensuring efficient power delivery from generation to consumers. These include Power Electronics, High Voltage Equipment, Automation & Protection, Software Solutions, and Projects & Services. Addressing the challenges of the energy transition, Grid Solutions provides safe integration of renewable and distributed energy into the grid using HV/MV equipment, gas-insulated substations, and more.

Power Transformer Manufacturer Ranking

*Including some distributors, etc.

Derivation Method

The ranking is calculated based on the click share within the power transformer page as of February 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.

Number of Employees

  1. SUMIDA: 17,985
  2. TAMURA Corporation: 4,576
  3. Shihlin Electric&Engineering Corp: 3,939

Newly Established Company

  1. Siemens Energy: 2020 (4 years ago)
  2. Chongqing Xianglong Electric Co., Ltd.: 2011 (13 years ago)
  3. Shanghai Electrical Machinery Group Co Ltd: 2010 (14 years ago)

Company with a History

  1. Piller, Inc.: 1909 (115 years ago)
  2. Wolf Safety Lamp Company Limited: 1912 (112 years ago)
  3. Hammond Manufacturing Ltd.: 1916 (108 years ago)

Power Transformer Manufacturers in United States

*Including some distributors, etc.

Global Distribution of Power Transformer Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
United States of America United States of America 16 24.6%
China China 7 10.8%
United Kingdom United Kingdom 6 9.2%
Italy Italy 6 9.2%
Germany Germany 6 9.2%
Taiwan Taiwan 5 7.7%
Canada Canada 4 6.2%
Japan Japan 3 4.6%
Finland Finland 2 3.1%
France France 2 3.1%
Spain Spain 2 3.1%
Vietnam Vietnam 2 3.1%
Australia Australia 1 1.5%
Slovenia Slovenia 1 1.5%
Austria Austria 1 1.5%
India India 1 1.5%

List of Power Transformer Products

7 products are listed.

Nikko Electric Co., Ltd.

Large commercial transformer (f = 50/60Hz) that can also support large current, various connections, and cases (f = 50/60Hz)

■ Main characteristics ・ Although it is a large transformer, it can be designed according to customer requests, such as primary, secondary, lead t...


3 models listed

Heraeus Holding GmbH

Trigger transformer for xenon flash lamps

In many cases, flash lamps require trigger pulse for gas initial ionization. This pulse is usually an order of 20 to 30 kv, and the pulse width is ...


4 models listed

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