Westinghouse Electric Corporation
WEG Electric Corp.
TVW Electrical Supplies, Inc.
Pearse Bertram+ Streamline Contract Manufacturing
Neeltran, Inc.
L. A. Woolley Electric, Inc.
Hitachi, Ltd.
Hitachi Energy Ltd.
ELSCO Transformers
Electro-Mechanical, LLC

16 Dry Type Transformer Manufacturers in 2024

This section provides an overview for dry type transformers as well as their applications and principles. Also, please take a look at the list of 16 dry type transformer manufacturers and their company rankings. Here are the top-ranked dry type transformer companies as of April, 2024: 1.AFP Transformers Corp., 2.Electro-Mechanical, LLC, 3.ELSCO Transformers.

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List of 16 Dry Type Transformer Manufacturers

*Including some distributors, etc.

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  • United States of America
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    • ELSCO Transformers
      • United States of America Address: 5331 Hetzell St, Cincinnati, Ohio, United States of America

      Manufacturer Overview

      ELSCO Product & Service was founded in the USA in 1912, is a manufacturer of medium-voltage transformers with ratings ranging from 500 to 2500 kVA and primary voltages between 2400 and 34500 volts. Company's dry transformers utilize circulating air for coil and winding insulation, effectively protecting them from overheating. These transformers employ an internal insulation principle that is cold, silent, non-flammable, and housed within enclosed casings. ELSCO's dry transformers are constructed with specially designed laminated steel cores, 100% copper windings, and insulation materials which are meticulously hand-wound and assembled under strict quality control.

    • Electro-Mechanical, LLC
      • United States of America Address: 1075 Old Airport Road Bristol, Virginia, United States of America

      Manufacturer Overview

      Electro-Mechanical, LLC is a manufacturer of electrical apparatus and power distribution components headquartered in Bristol, Virginia, USA and was established in 1971. The company is a major American maker of electrical equipment. Line Power, Federal Pacific, and Mirus International are three of the company's partitions that have earned acclaim in the United States and beyond as important providers of power distribution components, creators of pioneering mining infrastructure, and providers of unrivaled manufacturing insight and customer service including five factories and two maintenance and repair businesses.

    • Pearse Bertram+ Streamline Contract Manufacturing
      • United States of America Address: 22 Tobey Road Bloomfield, Connecticut, United States of America

      Manufacturer Overview

      Pearse Betram+ was founded in 1947 in Bloomfield, Connecticut. Today Pearse Bertram+ is an end-to-end solutions provider for the manufacturing industry. Pearse Bertram+ is ISO 9001:2015 certified and also UL508A (industrial control panels), IPC 620 (wire harness assemblies), and IPC-A-610, J-STD-001, and IPC-7711 certified for soldering. Pearse Bertram+ operates in both contract manufacturing and engineering support. The manufacturing segment includes electrical, pneumatic, robotic, hydraulic, and process systems. Engineering support includes support for operation of robotics, machinery design and usage, industrial automation, value engineering, and auditing.

    • 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.

    • 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.

    • L. A. Woolley Electric, Inc.
      • United States of America Address: 620 Tifft St., Buffalo, New York, United States of America

      Company Overview

      L.A. Woolley Electric, Inc. (L.A. Woolley) was founded in Buffalo, New York in 1916 as a supply distributor to serve the industrial and commercial marketplace. The company offers products from such manufacturers as Acme, Mersen, Pass & Seymor, and Wago. The company specializes in control and panel board products, transformers, terminal blocks, wiring accessories, as well as hazardous location products. The company's in-house sales team also support customers in selecting, ordering, and receiving the correct order.

    • Acme Electric
      • United States of America Address: N56 W13385 Silver Spring Dr Menomonee Falls, Wisconsin, United States of America

      Company Overview

      Acme Electric, established in 1917, based in Menomonee Falls, Wisconsin, has been manufacturing power conversion and power conditioning equipment for use in industrial, commercial and OEM applications. The company’s product’s portfolio includes general purpose transformers, industrial control transformers, appliance transformers, drive isolation transformers, and low voltage/lighting transformers, among others. They’re products cover the full spectrum of applications, from commercial basic electric distribution and high harmonic disorders to specific commercial motor drive/factory automation systems. The company works with customers from initial concept and design all the way through to testing and final production to deliver the perfect solution.

    • TVW Electrical Supplies, Inc.
      • United States of America Address: 1833 Glenn St. SW, Decatur, Alabama, United States of America

      Distributor Overview

      TVW Electronics was established in 1986 and headquartered in Decatur, Alabama. The company is a distributor of electrical supplies for both individual and corporate customers. Suppliers include Easton, Klein Tools, RAB Lighting, Allied Tube & Conduit, and many others. The company’s services include initial product consultation, lighting layout assistance, inventory & rush delivery, and special services for contractors. Product categories vary by market which are commercial, industrial, and industrial. Featured products and services include energy audits to maximize safety, efficiency, and cost savings.

    • 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.

    • 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.

    • 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.

    • Westinghouse Electric Corporation

      Manufacturer Overview

      Westinghouse Electric Corporation, founded in Central Bridge, New York, in 1846 is a manufacturer of generators and power solutions. The company's product portfolio includes Industrial Power Systems, Renewable Energy Solutions, pressure washers, lawn and garden tools and dual fuel generators. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. The company also provides services including national distribution, product selection, customized services, technical support and customer service.

    • alfanar Group

      Manufacturer Overview

      Alfanar Group, based in Riyadh, Saudi Arabia, is a manufacturer of electrical construction products for domestic and industrial use and also provides EPC solutions. The manufacturing arm produces low-, medium-, and high-voltage electrical products, including electrical switches, wires, and sockets. The construction division aims to build sustainable power generation and transmission projects and can build industrial projects like factories, water projects, and commercial projects like corporate office buildings. The company has international offices in Turkey, Germany, and Italy and provides several engineering services, including advanced technical training, steel structure fabrication, and calibration services.

    • WEG Electric Corp.

      Manufacturer Overview

      WEG, founded on 16 September 1961, is the world’s largest manufacturer of commercial and industrial electric motors, gearboxes, automation technologies, power generation equipment, and related equipment. Such products are used in the manufacturing of pumps, compressors, fans, and more. The company started with the motive of manufacturing electric motors, but soon it expanded its services to the manufacturing of electric and electronic components, industrial automation technologies, power and distribution transforms, etc. The company has been awarded various ISO certifications. Different companies, including PAUMAR, GEREMIA and 16 more, are affiliated with the WEG group.

    • Hitachi Energy Ltd.
      • Switzerland Address: Affolternstrasse 44 8050 Zürich, Switzerland

      Distributor Overview

      Hitachi Energy Ltd., established in 2018, based in Zurich, Switzerland, is a global technology supplier that is advancing a sustainable energy future. The company manufactures and supplies a comprehensive range of capacitors and filter solutions that improves the power quality of electrical networks. They serve customers in the utility, industry and infrastructure sectors with solutions and services across the chain. The company has a proven track record and unparalleled installed base in more than 140 countries. They employ around 38,000 people in 90 countries.


      Distributor Overview

      Sunbelt Solomon Services, LLC, founded in 1981 in Kansas, USA, is a distributor and provider of new and reconditioned transformers and electrical equipment, as well as related services. The Company specializes in new and reconditioned transformers, switchgear, and other electrical components, offering services such as repairs, rentals, and distribution for the commercial, industrial, and utilities markets. It serves customers who may not have access to traditional supply chains, providing them with long-term power solutions tailored to their needs. Sunbelt Solomon Services assesss, appraises, and manages the disposition of various electrical products like transformers, voltage regulators, and reclosers within the United States.

Dry Type Transformer Manufacturer Ranking

*Including some distributors, etc.

Derivation Method

The ranking is calculated based on the click share within the dry type 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. DAIHEN Corporation: 3,732

Newly Established Company

  1. Electro-Mechanical, LLC: 1958 (66 years ago)
  2. Acme Electric: 1917 (107 years ago)
  3. L. A. Woolley Electric, Inc.: 1916 (108 years ago)

Company with a History

  1. Westinghouse Electric Corporation: 1869 (155 years ago)
  2. Hitachi, Ltd.: 1910 (114 years ago)
  3. ELSCO Transformers: 1912 (112 years ago)

Dry Type Transformer Manufacturers in United States

*Including some distributors, etc.

Global Distribution of Dry Type Transformer Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
United States of America United States of America 8 66.7%
Japan Japan 2 16.7%
Germany Germany 1 8.3%
Switzerland Switzerland 1 8.3%

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