Wenzhou Rockwill Electric Co.,Ltd.
Voltamp Transformers Ltd.
VKF Renzel GmbH
URJA Techniques Private Limited
Twin Engineers Pvt Ltd.
Synergy Custom Fixtures
Slaters Electricals Limited

40 Molded Transformer Manufacturers in 2024

This section provides an overview for molded transformers as well as their applications and principles. Also, please take a look at the list of 40 molded transformer manufacturers and their company rankings. Here are the top-ranked molded transformer companies as of April, 2024: 1.PHOENIX CONTACT, 2.VKF Renzel GmbH, 3.DAIHEN Corporation.

Table of Contents

List of 40 Molded Transformer Manufacturers

*Including some distributors, etc.

Sort by Features

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  • Company Size: largest first
  • Year Founded: oldest first
  • Year Founded: earliest first

Sort by Area

  • United States of America
  • Canada
  • China
  • France
  • Germany
  • India
  • Italy
  • Japan
  • Republic of Korea
  • Taiwan
  • United Kingdom
    • LS Electric America Inc.
      • United States of America Address: 625 Heathrow Dr. Lincolnshire, Illinois, United States of America

      Company Overview

      LS Electric America Inc., headquartered in the United States, is a supplier and manufacturer of electrical components and automation solutions founded in 1974. Specializing in a range of products including variable frequency drives (VFDs), industrial automation systems, and electrical control panels, the company caters various industries such as manufacturing, energy, and infrastructure. Its solutions are used for enhancing operational efficiency and system reliability for businesses and facilitate seamless control and power distribution in diverse applications, ensuring a high level of technical performance and system integration.

    • Huazheng Electric Manufacturing (Baoding) Co.,Ltd
      • China Address: Electeicity Valley Tech Centre, No.3088 Lekai Street, Hi-tech Zone, Baoding, Hebei, China

      Manufacturer Overview

      Huazheng Electric Manufacturing (Baoding) Co.,Ltd (HEMB) is a Chinese manufacturer of electrical equipment and testing instruments established in 2008. Based in Baoding, Hebei, the company produces a wide range of power equipment including high voltage and transformer oil testers, cable locators, pulse capacitors, and energy meter calibrators. It also offers control equipment for grid management and various animal repellent devices. HEMB primarily supplies the Chinese State Grid, power engineering companies, and transformer manufacturers.

    • Twin Engineers Pvt Ltd.
      • India Address: J-524, M.I.D.C., Bhosari, Pune, Maharashtra, India

      Manufacturer Overview

      Twin Engineers Pvt. Ltd., established in 1993 and headquartered in Maharashtra, India, is a manufacturer of machines and automation solutions. The company specializes in meter mix dispensing, automotive fluid filling, and robotic dispensing. It provides solutions for various industries, including automotive, electronics, and packaging. Its solutions are famous for robotic sealant dispensing machines and engine components, catering to a wide range of oils and fluids. The company offers initial customer needs assessment and full-scale production commissioning, with a global dealer network in Turkey, Russia, and the UAE.

    • Wenzhou Rockwill Electric Co.,Ltd.
      • China Address: Wengyang Industrial Zone,Wenzhou City, Zhejiang Province, China

      Manufacturer Overview

      Wenzhou Rockwill Electric Co. Ltd., a subsidiary of Rockwill T & D Group, headquartered in Wenzhou City, Zhejiang, China, has been a manufacturer of electrical products since 2008. The company's product line includes outdoor switchgears, digital power stations, and EV chargers. Its main products include auto reclosers and load break switches, vacuum circuit breakers, and ring main units. The company specializes in research and development of electrical products and it also serves as a contractor.

    • Orecco
      • China Address: Yueqing Economic Development Zone, Yueqing City, Zhejiang, China

      Manufacturer Overview

      Orecco is a professional manufacturer of electric power distribution and transmission solutions headquartered in Zhejiang Province, China. The company’s product line includes ring main units, outdoor and indoor vacuum circuit breakers, electrical distribution transformers, prefabricated compact substations, and SF6 gas-insulated substations. It operates with six member factories, advanced equipment, and a qualified team of engineers. The company’s products are developed and manufactured to meet IEC requirements and other international standards and are used in diverse applications, including power plants, substations, industrial facilities, commercial buildings, and residential areas.

    • Allis Electric Co., Ltd.
      • Taiwan Address: 12F., NO.19-11, Sanchong Rd., Nangang Dist., Taipei City, Taiwan

      Manufacturer Overview

      Allis Electric Co. Ltd., founded in 1968 and located in Taipei City, Taiwan, is a manufacturer of various electric equipment. The company specifically produces uninterruptible power supplies, rack power systems, and electric forklift truck chargers. It also manufactures switchgear, oil-immersed transformers, and dry-type transformers. The company's uninterruptible power supplies are ideal for various applications, including high-tech semiconductor manufacturing, petrochemical equipment, and network servers. It has several offices in Europe, United States, and China.

    • ORION ITALIA s.r.l
      • Italy Address: Via Orsi 35, Piacenza, Italy

      Manufacturer Overview

      ORION ITALIA s.r.l, headquartered in Piacenza, Italy, is a specialized manufacturer of protection relays and temperature controllers for industrial applications and utilities. The company offers a line of protection and control products, including protections for feeders, motors, voltage, and frequency. It also produces temperature monitoring and control systems designed to prevent and mitigate transformer failures. The company's international standard is evident through the ISO 9001 certification of its commercial and logistics departments.

    • SGB-SMIT
      • Germany Address: Ohmstraße 10 93055 Regensburg, Bavaria, Germany

      Manufacturer Overview

      SGB-SMIT Group, established in Germany in 1913, is a manufacturer of large power transformers and single-winding core construction. As the electrical power network continues to evolve, there is a growing demand for transformers with higher voltages and capacities. This includes transformers of large and medium power, oil-filled distribution transformers, compact substations, and other products that find application in industries, power generation, railways, clinics, residential and commercial buildings, and more. SGB-SMIT Group operates across three continents and in eight countries, with facilities in Germany, the Netherlands, the USA, Malaysia, and others.

    • 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.

    • Hitachi, Ltd.
      • Japan Address: 6-6, Marunouchi 1-chome, Chiyoda-ku, Tokyo, Japan

      Manufacturer Overview

      Hitachi, Ltd was established in 2002 and headquartered in Chiyoda-ku, Tokyo is a manufacturer of industrial electrical equipment and system solutions. The company offers an extensive and diversified product portfolio including industrial drive systems, power electronics, energy-related equipment, power distribution systems, and various other industrial solutions. These products serve as integral components that drive advancements in industrial capabilities across diverse sectors by playing a pivotal role in promoting energy conservation and storage, automating robot systems in large factories, enabling smarter manufacturing through digital solutions, and facilitating efficient transportation within industrial facilities.

      • Japan Address: No.1-9,2-chome,Dojima,Kita-ku, Osaka, Japan

      Manufacturer Overview

      RISHO KOGYO CO. LTD. is a Japanese manufacturer of electronic materials and cast resin products founded in 1921 and based in Kita-ku, Osaka. The company produces various electronic materials, insulating materials, and epoxy cast resin devices. Its products include epoxy tape for smart card terminals, cast resin phase advanced capacitors, and thermosetting resin laminated tubes/rods. The company primarily serves clients in the energy distribution, civil engineering, and offshore sectors. It offers additional services such as R&D, environmental management, and customer support.

    • DAIHEN Corporation
      • Japan Address: 2-1-11 Tagawa, Yodogawa-ku, Osaka, Osaka, Japan

      Manufacturer Overview

      DAIHEN Corporation, established in 1919 and headquartered in Osaka, Japan, is a manufacturer of Power Products, Industrial Robots, and RF/MW Generators & Automatic Matching Units for plasma applications. The company provides an extensive array of products, including Oil-immersed Transformer, Cast Resin Transformer suitable for high buildings, public facilities, and hospitals, Power Distribution Equipment such as closed type power distribution boards and remote monitoring systems, as well as Sensors for Robot Welding and Positioners & Sliders. The company also offers various welding & cutting machines, including TIG Welding Machines, Plasma Cutting Machines, as well as Peripheral Devices for Welding.

    • Meiden Europe
      • Germany Address: Cari-von-Linde-Str.38, Unterschiebheim, Germany

      Manufacturer Overview

      Meiden Europe is a German manufacturer of electrical equipment and systems established in 1996 as a wholly-owned subsidiary of Japan’s Meidensha Corporation, which has been in operation since 1897. Headquartered in Unterschleissheim, Bavaria, the company produces various electrical equipment including surge arresters, inverters, and motors, as well as electrical systems for railway power supply and substation automation. These are utilized in a wide range of industrial processes, such as in power transmission or distribution, water treatment and robotics. Meiden Europe has sales offices and facilities across the European Union, including in France, Switzerland, Slovakia, Austria, and the United Kingdom.

    • Komachine Inc.
      • Republic of Korea Address: Ace Dongbaek Tower 1-1101, 16-4, Dongbaekjungang-ro 16beon-gil, Giheung-gu, Yongin City, Gyeonggido, Republic of Korea

      Manufacturer Overview

      Komachine Inc., founded in 2017, is a South Korean manufacturer headquartered in Yongin, Gyeonggido, providing marketing and trading platform for the machine industry. The company operates the Komachine platform, allowing machinery manufacturers to register and showcase their new and replacement machines and parts. The platform connects these manufacturers with global buyers, facilitating transactions and exports at relatively low costs. Currently, there are around 4,000 registered suppliers offering a total of 85,000 products on the platform. Komachine Inc. received the presidential award and ministry awards in South Korea and won international startup competitions like Echelon Asia Summit in Singapore and TechBBQ in Denmark.

      • Japan Address: 2-156 Ajiyoshi-cho, Kasugai-city, Aichi, Japan

      Manufacturer Overview

      Toyo Electric Corporation, established in 1959 and headquartered in Akishima, Tokyo, is a manufacturer of transformers and development of power electronics equipment. The company offers a range of products, including optical wireless communication devices, elevator optical sensors, and power regulator units. It also produces optical application products such as sensors for elevators and space optical transfer units. Its product transmits 8-bit parallel data with a bidirectional data transmission device using near-infrared rays. Moreover, the company has achieved ISO 14001 and ISO 9001 certification. It serves various industries such as industrial control, elevator, and electronic control devices.

      • Japan Address: 8F Toyosu Prime Square 5-6-36 Toyosu, Koto-ku, Tokyo, Japan

      Manufacturer Overview

      TAKAOKA TOKO CO., LTD., established in 1918 and headquartered in Toyosu, Tokyo, is a manufacturer specializing in power distribution systems. Its product line includes substation equipment, SCADA and control systems, intelligent electronic devices (IED) for power system control, lightning current measuring devices for wind power plants, and electric vehicle (EV) charging systems. The company's products plays a vital role in the electrical equipment and construction industry, serving power distribution needs and renewable energy sectors.

    • WEG S.A.

      Manufacturer Overview

      WEG S.A. is an ISO 9001-certified manufacturer of industrial engineering products founded in 1961 and based in Jaraguá do Sul, Brazil. The company produces equipment and products for power generation, control, and coating metal or wood. These include powder coatings for decorative or protective purposes, gas turbines, and dry-type transformers. The company primarily serves clients in the oil and gas, wastewater processing, and mining industries. It also offers maintenance, engineering, and automation services to its customers.

    • DAELIM BELEFIC Tech Co. Ltd.

      Manufacturer Overview

      DAELIM BELEFIC Tech Co. Ltd. is a manufacturer of electrical products and equipment founded in 2001 in Beijing, China. The company offers different types of transformers, including single-phase, dry-type, substation, pad-mounted, power, and furnace transformers. It also provides electrical solutions for global customers, such as mobile substations and specialized solutions for earthquake-prone areas, high altitudes, and low temperatures. It fully complies with international standards such as ISO, IEEE, IEC, CSA, AS/NZ, and GOST. It serves commercial, industrial, and residential sectors in Asia, Africa, the Middle East, Europe, America, and Australia.

      • India Address: 26, Rameshwar Malia Lane,Kolkata, West Bengal, India

      Company Overview

      Arun Enterprises, incorporated in 2000 and headquartered in Kolkata, India, is a manufacturer and supplier of power-efficient electrical equipment. The company fabricates automatic step voltage transformers, distribution transformers, dry-type transformers, furnace transformers, and oil-cooled transformers. It also makes power transformers, vacuum circuit breakers, special-purpose transformers, and ring main unit panels. Its automatic step voltage transformer has three phases with a capacity of 750 kVA and a primary voltage of 11,000 V.

    • Hammond Power Solutions
      • Canada Address: 595 Southgate Drive Guelph, Ontario, Canada

      Company Overview

      Hammond Power Solutions, established in 1917 and based in Guelph, Ontario, Canada, is a manufacturer and supplier of dry-type standard and custom electrical engineered magnetics. The company's product range includes control and automation, power quality and filters, low voltage distribution, and medium voltage distribution. These products have applications in the design and manufacture of electrical and liquid-filled cast resin transformers. It primarily serves industries such as commercial infrastructure, data centers, energy storage, and electric vehicle charging. The company's services consist of custom engineering, manufacturing, magnetics, and cast resin transformer production.

      • Germany Address: Flachsmarktstraße 8, Blomberg, Germany

      Company Overview

      Phoenix Contact is headquartered in Blomberg, Germany, originally founded in 1923. Phoenix Contact’s Israeli subsidiary was founded in 2006 and located in Quadima Tzoran. Phoenix Contact provides tools and components for e-mobility, power, infrastructure, process industry, production manufacturing, system manufacturing, and others. Phoenix Contact’s product lines include automate including cloud computing, connect including PCB terminal blocks, “mark, assemble, and install” including hand tools, “supply, charge, and protect” including power distributors, and “switch, measure, and monitor” including relays and optocouplers.

      • 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.


      Company Overview

      HIRAI DENKEIKI Co. Ltd., established in 1921 and based in Kyoto, Japan, is a manufacturer and supplier of transformers. The company's product range includes current transformers, zero-phase-sequence current transformers (ZCT), large epoxy mold bushing current transformers, large dry type bushing current transformers, and voltage transformers. These products are ideal for power distribution and management and serves the electronics, energy production, manufacturing, and utility industries. The company also offers specialized production, resin manufacturing, coil crafting for specific purposes, and continuous technological development.

Molded Transformer Manufacturer Ranking

*Including some distributors, etc.

Derivation Method

The ranking is calculated based on the click share within the molded transformer page as of April 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. Hitachi, Ltd.: 29,485
  2. PHOENIX CONTACT: 20,300
  3. DAIHEN Corporation: 3,732

Newly Established Company

  1. Jiangshan Scotech Electrical Co.,Ltd.: 2016 (8 years ago)
  2. Synergy Custom Fixtures: 2010 (14 years ago)
  3. Huazheng Electric Manufacturing (Baoding) Co.,Ltd: 2008 (16 years ago)

Company with a History

  1. Hitachi, Ltd.: 1910 (114 years ago)
  2. Hammond Power Solutions: 1917 (107 years ago)
  3. RISHO KOGYO CO., LTD.: 1921 (103 years ago)

Molded Transformer Manufacturers in United States

*Including some distributors, etc.

Global Distribution of Molded Transformer Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
India India 8 24.2%
China China 5 15.2%
Japan Japan 5 15.2%
Germany Germany 4 12.1%
United States of America United States of America 2 6.1%
Taiwan Taiwan 2 6.1%
Italy Italy 2 6.1%
United Kingdom United Kingdom 2 6.1%
France France 1 3.0%
Republic of Korea Republic of Korea 1 3.0%
Canada Canada 1 3.0%

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