Company lists · Data refreshed September 2026

Top 25 Custom power supply manufacturers worldwide

Name: Custom power supply manufacturers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 1,461 companies tracked

RevenueBase identified 1,461 custom power supply manufacturers worldwide as of September 2026 and tracks 31,628 professional contacts across them, including 6,396 with verified work emails. The United States is the largest market and Shenzhen the largest hub.

This list covers custom power supply manufacturers worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026. Country and city lists for custom power supply manufacturers follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 30, 2026 86% judged on-target in blind review

1,461Companies

31,628Contacts tracked

6,396Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest custom power supply manufacturers worldwide

Ranked by team size

Top 25 of 1,461 custom power supply manufacturers worldwide, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to custom power supply manufacturers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Artesyn Embedded Power	Strong evidence	Tempe, AZ, United StatesHQ checked Sep 30, 2026	10001+	1,111 contacts →
	Strong evidence “Artesyn Embedded Power is an Advanced Energy product brand and is well recognized as a global leader in the design and manufacture of highly reliable power conversion solutions…” Source: RevenueBase Database · checked Sep 30, 2026
2	Industrial Electric Mfg. IEM	Strong evidence	Fremont, CA, United StatesHQ checked Sep 30, 2026	1,001-5,000	969 contacts →
	Strong evidence “Industrial Electric Mfg.(IEM) is the largest independent full-line manufacturer of electrical distribution equipment and integrated power systems in the U.S.” Source: RevenueBase Database · checked Sep 30, 2026
3	İnform Elektronik	Partial evidence	İstanbul, TürkiyeHQ checked Sep 30, 2026	201-500	873 contacts →
	Partial evidence “Inform Electronic, one of the European leading power solution specialist, is established in 1980 with the aim of designing and building industrial electronic systems.” Source: RevenueBase Database · checked Sep 30, 2026
4	VICOR	Strong evidence	Andover, MA, United StatesHQ checked Sep 30, 2026	1,001-5,000	821 contacts →
	Strong evidence “Vicor Corporation designs, develops, manufactures and markets modular power components and complete power systems based upon a portfolio of patented technologies.” Source: RevenueBase Database · checked Sep 30, 2026
5	XP Power	Strong evidence	Singapore, GermanyHQ checked Sep 30, 2026	1,001-5,000	805 contacts →
	Strong evidence “We are committed to being a leading provider of power solutions, including AC-DC power supplies and DC-DC converters, high voltage power supplies and RF power supplies.” Source: RevenueBase Database · checked Sep 30, 2026
6	Tdk-Lambda Americas	Strong evidence	Neptune, NJ, United StatesHQ checked Sep 30, 2026	201-500	540 contacts →
	Strong evidence “TDK-Lambda Corporation, a group company of TDK Corporation, is a recognized leader and global supplier of power conversion products for industrial and medical equipment worldwide.” Source: RevenueBase Database · checked Sep 30, 2026
7	Asco Power Technologies	Partial evidence	Florham Park, NJ, United StatesHQ checked Sep 30, 2026	1,001-5,000	468 contacts →
	Partial evidence “ASCO Power Technologies has provided power reliability solutions for more than 125 years.” Source: RevenueBase Database · checked Sep 30, 2026
8	Aplab Limited	Partial evidence	Mumbai, IndiaHQ checked Sep 30, 2026	201-500	419 contacts →
	Partial evidence “Aplab has been serving the global market for more than half a century and offers a wide range of power electronics and control products meeting international standards for safety…” Source: RevenueBase Database · checked Sep 30, 2026
9	Murata Power Solutions	Partial evidence	Westborough, MA, United StatesHQ checked Sep 30, 2026	1,001-5,000	369 contacts →
	Partial evidence “Murata Power Solutions is powering the future with sustainable energy solutions.” Source: RevenueBase Database · checked Sep 30, 2026
10	Astrodyne TDI	Strong evidence	Hackettstown, NJ, United StatesHQ checked Sep 30, 2026	501-1,000	290 contacts →
	Strong evidence “Astrodyne TDI is a custom designer and manufacturer of innovative power solutions for demanding applications worldwide.” Source: RevenueBase Database · checked Sep 30, 2026
11	Puls Group	Strong evidence	Munich, GermanyHQ checked Sep 30, 2026	1,001-5,000	280 contacts →
	Strong evidence “PULS is Europe’s biggest manufacturer of industrial DC power solutions and a global technology leader for reliable power supplies for demanding applications.” Source: RevenueBase Database · checked Sep 30, 2026
12	Dacpol Service	Indirect evidence	Mikówiec, PolandHQ checked Sep 30, 2026	n/a	280 contacts →
	Indirect evidence “DACPOL SERVICE 05-500 Piaseczno, Pulawska 34, Poland Phones No:48 22 70 35 180 Fax No: 48 22 70 35 181 E-mail: service@dacpolservice.eu Web site: Management: Adam Sitnik –…” Source: RevenueBase Database · checked Sep 30, 2026
13	Noratel	Indirect evidence	Hokksund, NorwayHQ checked Sep 30, 2026	1,001-5,000	278 contacts →
	Indirect evidence “Noratel was established in 1925.” Source: RevenueBase Database · checked Sep 30, 2026
14	SL Power Electronics	Partial evidence	Ventura, CA, United StatesHQ checked Sep 30, 2026	501-1,000	263 contacts →
	Partial evidence “SL Power Electronics is a global leader in the design, manufacturing and marketing of differentiated internal and external AC/DC and DC/DC power conversion solutions for highly…” Source: RevenueBase Database · checked Sep 30, 2026
15	Astrodyne TDI	Strong evidence	United StatesHQ checked Sep 30, 2026	501-1,000	260 contacts →
	Strong evidence “Astrodyne TDI designs and manufactures innovative power solutions for various demanding applications worldwide.” Source: RevenueBase Database · checked Sep 30, 2026
16	Omnion Power	Strong evidence	Plano, TX, United StatesHQ checked Sep 30, 2026	1,001-5,000	236 contacts →
	Strong evidence “A leader in power conversion technology, OmniOn partners with customers to deliver reliable solutions that power their businesses both today and well into the future.” Source: RevenueBase Database · checked Sep 30, 2026
17	FSP Technology INC	Strong evidence	Taoyuan City, TaiwanHQ checked Sep 30, 2026	5,001-10,000	232 contacts →
	Strong evidence “FSP Group is the leading power supply manufacturer in the world.” Source: RevenueBase Database · checked Sep 30, 2026
18	EPC Power Corp	Strong evidence	Poway, CA, United StatesHQ checked Sep 30, 2026	201-500	231 contacts →
	Strong evidence “Since 2010, EPC Power is a power solutions platform that designs, engineers and manufactures advanced power conversion solutions in the USA for data center, energy storage and…” Source: RevenueBase Database · checked Sep 30, 2026
19	Megmeet	Partial evidence	Shenzhen, ChinaHQ checked Sep 30, 2026	10001+	220 contacts →
	Partial evidence “MEGMEET Engineered to Empower™ MEGMEET is a leading turnkey solution provider specializing in power solutions for data centers and networking, e-mobility and EV infrastructure…” Source: RevenueBase Database · checked Sep 30, 2026
20	Unico LLC	Indirect evidence	Franksville, WI, United StatesHQ checked Sep 30, 2026	201-500	214 contacts →
	Indirect evidence “The key factor to technological success is the speed of innovation.” Source: RevenueBase Database · checked Sep 30, 2026
21	FRIWO	Strong evidence	Ostbevern, GermanyHQ checked Sep 30, 2026	1,001-5,000	209 contacts →
	Strong evidence “Since the discovery of the first plug-in power supply unit in the world, our demanding customers have been able to fully rely on FRIWO for their power supply needs.” Source: RevenueBase Database · checked Sep 30, 2026
22	Intermountain Electronics	Partial evidence	Price, UT, United StatesHQ checked Sep 30, 2026	501-1,000	208 contacts →
	Partial evidence “IE provides custom-engineered, packaged equipment to industrial markets.” Source: RevenueBase Database · checked Sep 30, 2026
23	CUI INC	Partial evidence	Portland, OR, United StatesHQ checked Sep 30, 2026	51-200	206 contacts →
	Partial evidence “At CUI our purpose is straight-forward: power products how you want them, when you want them.” Source: RevenueBase Database · checked Sep 30, 2026
24	Maverick Power	Partial evidence	Mckinney, TX, United StatesHQ checked Sep 30, 2026	201-500	205 contacts →
	Partial evidence “At Maverick Power, we are revolutionizing power solutions for businesses with a strong commitment to innovation, efficiency, and reliability.” Source: RevenueBase Database · checked Sep 30, 2026
25	Synqor	Strong evidence	Salem, NH, United StatesHQ checked Sep 30, 2026	201-500	200 contacts →
	Strong evidence “SynQor is a leading supplier of power conversion solutions to the military, avionics, transportation, medical, industrial, telecommunications and computing markets.” Source: RevenueBase Database · checked Sep 30, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: custom power supply manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names custom power supply manufacturers.
Partial evidence: Its own public description names part of custom power supply manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name custom power supply manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 1,461 custom power supply manufacturers worldwide

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 6,396 reachable decision-makers.

Free signup · no credit card

View the full list →

Custom power supply manufacturers worldwide at a glance

As of Sep 30, 2026

20.2%Verified-email coverage

21.6Average contacts per company

11-50Median size (employees)

5.3%Largest-city concentration · Shenzhen

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

351

11-50

460

51-200

355

201-500

152

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among custom power supply manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for custom power supply manufacturers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “custom power supply manufacturers”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names custom power supply manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among custom power supply manufacturers, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 6,396 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 30, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Custom power supply manufacturers by location

7 lists · largest first

Every Custom power supply manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names custom power supply manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many custom power supply manufacturers are there worldwide?

RevenueBase identified 1,461 custom power supply manufacturers worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Artesyn Embedded Power, headquartered in Tempe, tops this list with the largest team on record.

Which country has the most custom power supply manufacturers?

The United States leads with 262 companies, followed by India (129) and Germany (105). Every custom power supply manufacturers list by country and city is linked on this page.

Which city has the most custom power supply manufacturers?

Shenzhen leads with 78 headquartered companies, followed by Dongguan (21) and Pune (15).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,396 verified decision-maker contacts tracked across these 1,461 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,461 custom power supply manufacturers worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.