XP Power Ltd.
Vicor Corporation
Trinity Electronics Systems Ltd.
Triad Magnetics
Tenergy Corporation
Stangenes Industries, Inc.
SEC America Corp.
Promark Electronics, Inc
Pico Electronics
Pacific Transformer
Micromax Technology

25 Custom Power Supply Manufacturers in 2024

This section provides an overview for custom power supplies as well as their applications and principles. Also, please take a look at the list of 25 custom power supply manufacturers and their company rankings. Here are the top-ranked custom power supply companies as of May, 2024: 1.GlobTek, Inc., 2.Diversified Technologies, Inc., 3.Applied Power Systems, Inc..

Table of Contents

List of 25 Custom Power Supply Manufacturers

*Including some distributors, etc.

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    • Vicor Corporation
      • United States of America Address: 25 Frontage Road, Andover, Massachusetts, United States of America

      Manufacturer Overview

      Vicor Corporation, incorporated in 1981, is a global company headquartered in Andover, Massachusetts, that designs, manufactures, and markets modular power components and complete power systems. The company supports customers to efficiently convert and manage power from the wall plug to the point-of-load. Their customized power systems can provide specific solutions to the customer from modular, plug-and-play components to semiconductor centric solutions. They have a number of patented technologies based on modular power components. Their continual advances in power delivery architectures, conversion topologies and packaging technology will keep their customers ahead in system efficiency and density.

    • Integrated Power Designs
      • United States of America Address: 300 Stewart Rd, Wilkes Barre, Pennsylvania, United States of America

      Manufacturer Overview

      Integrated Power Designs, founded in Wilkes-Barre, PA, in 1985 is a manufacturer of AC-DC & DC-DC power supplies ranging from 25-400 watts. The company's product portfolio includes LED Drivers, Uninterruptible Power Supplies (UPS), Switching Power Supplies, Custom Power Solutions and Energy Storage Solutions. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. The company has a national distribution network and a customer support center.

    • GlobTek, Inc.
      • United States of America Address: 186 Veterans Drive, Northvale, New Jersey, United States of America

      Manufacturer Overview

      GlobTek, Inc, founded in 1984 in Northvale, New Jersey, USA, is a manufacturer of power supply products, such as AC-DC and DC-DC power converters, cables, chargers, and power cords. The company serves a diverse client base in industries, such as industrial, telecommunications, medical, and many more. The company's products and services are certified by various safety regulatory agencies, including Semko, ETL, UL, CCC, and TUV. The company also provides various after-sale services, including training and technical support.

    • Acopian Technical Company
      • United States of America Address: 131 Loomis Street Easton, Pennsylvania, United States of America

      Manufacturer Overview

      Acopian, founded in 1964 in Easton, Pennsylvania, USA, is a manufacturer and supplier of quality power conversion products. The company specializes in offering a wide range of power supplies, including AC-DC power supplies, DC-DC converters, and custom power solutions. These products play a vital role in providing efficient power to various electronic systems and applications. Acopian's power solutions are utilized across industries such as aerospace, medical, and telecommunications. Emphasizing precision and performance, Acopian continues to be an ideal partner in delivering stable and dependable power solutions for critical applications.

    • Bear Power Supplies
      • United States of America Address: 1916 Route 96, Phelps, New York, United States of America

      Manufacturer Overview

      BEAR Power Supplies, established in 1989 with its headquarters in Phelps, New York, is an ISO 9001:2008 certified manufacturer of power supplies for the industrial, commercial, and medical sectors. The company started out as a manufacturer of industrial video systems before adding the BEAR Power Supplies range in 2003. Its major products include AC-DC power converters, DC-DC power converters, and fully customized power supplies for OEM designers’ unique needs. The company is currently a business arm of Z-AXIS, Inc.

    • Custom Manufacturing & Engineering, Inc.
      • United States of America Address: 3845 Gateway Centre Blvd, Suite 360, Pinellas Park, Florida, United States of America

      Manufacturer Overview

      Custom Manufacturing & Engineering, also known as CME, is located in Pinellas Park, Florida. The company services aerospace, transportation, heavy equipment, and industrial electronics industries and is AS9100D with ISO 9001:2015 certified. The company's products include custom cable assemblies, electrical power, power distribution, electronic assemblies and more. The company offers services including engineering, manufacturing, calibration & maintenance, and integration and testing. The company's customer service flow begins with needs assessment, continues with initial customer solutions, then product realization, and continues with delivery and service.

      • United States of America Address: 100 School Street, Bergenfield, New Jersey, United States of America

      Manufacturer Overview

      Technology Dynamics, Inc, founded in 1976, is a designer, manufacturer, and supplier of DC power conversion systems for industrial, commercial, and military operations. The company provides AC-DC power converters, DC-DC converters, and DC-UPS systems. Its product categories include standard, modified-standard, semi-custom, and full-custom options with power levels ranging from 50 watts to 75 kilowatts. Its power conversion supplies are used by various branches of the US Armed Forces, as well as foreign militaries around the world. The company also collaborates with defense contractors, such as DRS Technologies, Northrop Grumman, Lockheed Martin, and General Dynamics Inc., among others.

    • 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.

    • E+I Engineering Corp, USA,
      • United States of America Address: 400 Supreme Industrial Drive, Anderson, South Carolina, United States of America

      Manufacturer Overview

      E+I Engineering USA Corp. was founded in 1986 by Philip O’Doherty as a switchgear and Powerbar production line manufacturer according to the client’s specifications in commercial or industrial facilities in over 30 countries. The company in Co. Donegal, Ireland, offers energy management systems to improve productivity and reduce energy costs. For maintenance and aftercare, the company has all its products protected by a 12-month guarantee and support on systems produced by all third-party suppliers. ISO 9001 and 14001 certifications and SSIP and NIC EIC accreditations show E+I Engineering USA Corp’s compliance with production standards.

    • Applied Power Systems, Inc.
      • United States of America Address: 124 Charlotte Ave. Hicksville, New York, United States of America

      Manufacturer Overview

      Applied Power Systems, Inc. (APS) was founded in 196 and headquartered in Hicksville, New York. Applied Power Systems is a power electronics company specializing in power conversion systems and thermal management of high power semiconductors. APS offers a large selection of high power thermal management products. These products include standard and custom aluminum extrusion heat sinks for natural convection and forced air-cooling. Cast and machined copper chill plates for liquid cooling. State of the art clamps for flat pack or hockey puck semiconductors. APS also offers driver circuit boards to drive SCR, IGBT and MOSFET devices.

    • 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.

    • 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.

    • Tenergy Corporation
      • United States of America Address: 436 Kato Terrace, Fremont, California, United States of America

      Manufacturer Overview

      Tenergy Corporation was established in 2004 as a manufacturer and supplier of batteries, chargers, and electrical products. The corporation, headquartered in Silicon Valley, California, serves the transportation, storage, medical, battery, and military industries. Tenergy products include NiMH, Li-Polymer, LiFePO4, NiCd batteries, and chargers. Their products are also used in electronics and newer technologies. The company runs an online store called Tenergy POWER, and additionally, they offer full US-based support for troubleshooting and technical assistance.

    • 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.

    • Diversified Technologies, Inc.
      • United States of America Address: 35 Wiggins Avenue, Bedford, Massachusetts, United States of America

      Manufacturer Overview

      Diversified Technologies, Inc. was founded in 1987 and is headquartered in Bedford, Massachusetts as a designer, manufacturer, and marketer of its patented Power Mod line of power supplies used in Radar, high energy physics, and power conversion settings. The company’s systems produce near “flat-top” pulses critical to the performance of pulsed power applications. The company’s products include Radar modulators and transmitters, RF power systems using solid-state technology, and power converters for AC to DC and DC to DC conversion and power distribution.

    • Triad Magnetics
      • United States of America Address: 460 Harley Knox Blvd. Perris, California, United States of America

      Manufacturer Overview

      Tried Magnetics was founded in the 1940s and is based in Perris, California. The ISO 9001:2015-certified company serves industrial equipment, renewable energy, medical equipment, and other industries as a manufacturer of components using standard and custom magnetic components including transformers, power supplies, and inductors. The company’s custom magnetics division encompasses power and audio transformers, chokes, and power supplies used across industries. The company’s engineering development kits and design sample kits include a sampling of power ranges, sizes, and packaging styles within specific product lines to assist customers in choosing final designs for prototyping.

    • 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.

    • Interact Power Inc.
      • United States of America Address: 1325 N. Red Gum St., Suite 7, Anaheim, California, United States of America

      Company Overview

      Interact Power Inc., since 2001, is a manufacturer and distributor of COTS rack-mount power distribution equipment such as AC & DC power distribution units, control panels, cords, power supplies, and power cable assemblies used to support the critical electronics, test, communication, and computer equipment cor OEMs and resellers. The Anaheim, California-based company serves the telecommunications, internet, ATE, industrial, and computer industries with the products and provides imporved and custom services to a users requirements.

    • Acromag, Inc.
      • United States of America Address: 30765 Wixom Rd, Wixom, Michigan, United States of America

      Company Overview

      Acromag was founded in 1957 and operates out of Wixom, Michigan. Acromag designs critical measurement instrumentation equipment for the petrochemical and aerospace industries as a designer of analog and digital control products for the industrial I/O and defense OEMs markets. Acromag has two primary segments: signal conditioners & network I/O and embedded I/O & processing solutions. For signal conditioners, Acromag produces ethernet I/O modules, temperature transmitters, signal splitters, process limit alarms, signal converters, and more. For embedded I/O, Acromag also produces interface I/O boards, reconfigurable FPGA boards, and more. Acromag manufactures its products in the United States and ships globally.

    • Trinity Electronics Systems Ltd.
      • Canada Address: 10708 - 181 Street N.W., Edmonton, Alberta, Canada

      Manufacturer Overview

      Trinity Electronics Systems Ltd. was founded in the 1980s and is based in Edmonton, Alberta. Trinity Electronics Systems designs and manufactures custom electronics and handles modifications, upgrades, and warranty repair as well. Trinity Electronics Systems product list includes power measurement products, audio products, lighting products, industrial electronics, sensors, and miscellaneous products. Trinity Electronics Systems services begin with product development and create proposals for complete products including packaging, instruction manual, software, and prototyping. Electronic design services including retrofitting and even re-manufacturing of boards created by defunct manufacturers. Other services include PCB, Hazloc, and microprocessor software development and contract manufacturing.

    • SEC America Corp.

      Manufacturer Overview

      SEC America Corp. (SECA) is an American manufacturer of power conversion equipment that was established in South Burlington, Vermont in 1991. The company’s product portfolio includes various voltage converters, inverters, frequency converters, transformers, and chargers. Aside from its products, it also provides design, engineering, testing and certification services for unique customer projects. SECA products are used by clients in a wide range of industries, including in the construction, aviation, medical, and military sectors.

    • XP Power Ltd.

      Company Overview

      XP Power Limited designs and manufactures power supply solutions in Europe, North America, and Asia. The company offers AC-DC power supplies, DC-DC converters, high voltage DC-DC converters, high voltage AC-DC power supplies, RF power systems, EMI filters, custom power supplies, and 3 phase power sources. It also offers engineering services. The company serves healthcare, industrial technology, and semiconductor equipment manufacturing industries. XP Power Limited was founded in 1988 and is based in Singapore.

    • Micromax Technology
      • Australia Address: 5 Orangegrove Avenue, Unanderra, New South Wales, Australia

      Distributor Overview

      Micromax Technology, established in 1960, is a supplier of technological products and custom solutions in the area of embedded computing, industrial communications, and power supplies, based in Australia. The company services a wide range of industries that rely on quality embedded computing and industrial communication technologies to be able to not only function but thrive within these sectors. This includes the ITS, infrastructure, gaming, defence, manufacturing, and other industries. Its field application engineers provide consultation for the selection and implementation of custom solutions tailored to the business or project needs of its clients.

Custom Power Supply Manufacturer Ranking

*Including some distributors, etc.

Derivation Method

The ranking is calculated based on the click share within the custom power supply page as of May 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. Vicor Corporation: 1,106

Newly Established Company

  1. Tenergy Corporation: 2004 (20 years ago)
  2. Diversified Technologies, Inc.: 1987 (37 years ago)
  3. E+I Engineering Corp, USA,: 1986 (38 years ago)

Company with a History

  1. Acromag, Inc.: 1957 (67 years ago)
  2. Pico Electronics: 1967 (57 years ago)
  3. Stangenes Industries, Inc.: 1974 (50 years ago)

Custom Power Supply Manufacturers in United States

*Including some distributors, etc.

Global Distribution of Custom Power Supply Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
United States of America United States of America 19 90.5%
Canada Canada 1 4.8%
Australia Australia 1 4.8%

List of Custom Power Supply Products

3 products are listed.


Power supply for electric tablets

10+ people viewing

With the difficulty of procurement of competitors, we designed the same product, such as matching the position of the screw hole. Furthermore, sinc...

1 model listed


High power power supply for dental technical suctions brushless DC motors

10+ people viewing

Last viewed: 23 hours ago

A compact size has been realized for carrying. Not only domestic standards, but also necessary standards overseas. LUCI provides a sample of this ...

1 model listed

Asian Electronic Industry Co., Ltd.

Other power supply

10+ people viewing

In addition to the products listed, we also handle custom -made items, so please feel free to contact us. We are developing a specially made power...

1 model listed

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