Company lists · Data refreshed October 2026

Top 25 Automatic transfer emergency switches suppliers worldwide

RevenueBase identified 134 company matches for automatic transfer emergency switches suppliers worldwide as of October 2026 and tracks 2,491 professional contacts across them, including 815 with verified work emails. The United States is the largest market and Istanbul the largest hub.

This list covers company matches for automatic transfer emergency switches suppliers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 22, 2026. Country and city lists for automatic transfer emergency switches suppliers follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Oct 22, 2026 How this list was built
134Companies
2,491Contacts tracked
815Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest automatic transfer emergency switches suppliers worldwide

Ranked by team size
Top 25 of 134 company matches for automatic transfer emergency switches suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMandaluyong City, PhilippinesHQ recorded Oct 22, 2026201-500264 contacts →

Exact match

“First Multi-Tech Industrial and Development Corporation (FMIDC) is a provider of power solutions and preventive maintenance to different industries, predominantly telecoms.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2Exact matchIstanbul, TürkiyeHQ recorded Oct 22, 2026201-500204 contacts →

Exact match

“TESCOM Elektronik, headquarters in Istanbul manufacturing plant in Izmir TR offers a wide range of power protection products and services to a wide spectrum of industries and…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3Exact matchHingham, MA, United StatesHQ recorded Oct 22, 2026201-500199 contacts →

Exact match

“Founded in 1955, Russelectric®, A Siemens Business, provides high-integrity power control solutions for mission critical applications in the healthcare, information technology…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4Exact matchNew York, NY, United StatesHQ recorded Oct 22, 2026201-500198 contacts →

Exact match

“GenServe supports critical infrastructure by delivering expert, OEM-agnostic power services across all generator systems and brands.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5Exact matchAurora, OH, United StatesHQ recorded Oct 22, 2026501-1,000161 contacts →

Exact match

“LayerZero Power Systems designs and manufactures best-in-class power quality products, including Static Transfer Switches, Power Distribution Units, Remote Power Panels.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6Exact matchHunmanby, United KingdomHQ recorded Oct 22, 2026201-500150 contacts →

Exact match

“DSE has been designing and delivering industry leading engine and generator control solutions, vehicle and off-highway control solutions, automatic transfer switch control…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7Exact matchLangley, CanadaHQ recorded Oct 22, 2026501-1,00096 contacts →

Exact match

“With over 50 years of industry experience, Thomson Power Systems (a Regal Rexnord brand) stands as a leader in innovation and reliability in advanced power solutions.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8Exact matchSacramento, CA, United StatesHQ recorded Oct 22, 202651-20081 contacts →

Exact match

“At Butcher Power Products (BPP), we are redefining what it means to be a power solutions manufacturer.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9Exact matchCanton, MA, United StatesHQ recorded Oct 22, 202651-20058 contacts →

Exact match

“FM Generator is a premier provider of preventative maintenance and repair services on generators and transfer switches throughout the Northeast and Mid-Atlantic States.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10Exact matchLive Oak, FL, United StatesHQ recorded Oct 22, 202611-5048 contacts →

Exact match

“Cerio Corp specializes in delivering world-class critical power solutions, including UPS, batteries, custom switchgear, engine generators, transformers, and control systems.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11Exact matchCuajimalpa De Morelos, MexicoHQ recorded Oct 22, 202651-20039 contacts →

Exact match

“LBS es una empresa internacional con más de 20 años de experiencia brindando soluciones integrales de energía protegida, aislada y continua.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12Exact matchChamplin, MN, United StatesHQ recorded Oct 22, 202651-20033 contacts →

Exact match

“Pioneer Critical Power offers the most advanced equipment and service solutions for onsite emergency power.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13Exact matchMarietta, OH, United StatesHQ recorded Oct 22, 202611-5030 contacts →

Exact match

“PowerFlo Solutions, based in Ohio, is a highly integrated business specializing in the design and manufacturing of top-notch power quality products.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchHeredia, Costa RicaHQ recorded Oct 22, 202611-5028 contacts →

Exact match

“Distribuidores exclusivos de la marca DEEP SEA PLC.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15Exact matchMillbury, MA, United StatesHQ recorded Oct 22, 202611-5026 contacts →

Exact match

“Weld Power Generator has been providing a premium & professional emergency power service to the northeast region for 70 years.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16Exact matchTulsa, OK, United StatesHQ recorded Oct 22, 202611-5026 contacts →

Exact match

“As a nationwide generator service and support company, Ultimate Service Associates provides regional and national support to clients with critical power system networks.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17Exact matchJeddah, Saudi ArabiaHQ recorded Oct 22, 202611-5026 contacts →

Exact match

“Manufacturer and distributor of power transmission products based in Jeddah, Saudi Arabia.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18Exact matchWatford, United KingdomHQ recorded Oct 22, 202611-5025 contacts →

Exact match

“Prism Power Group is a global Switchgear and Critical Power Systems provider based in London, UK.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19Exact matchCharlotte, NC, United StatesHQ recorded Oct 22, 202651-20023 contacts →

Exact match

“Salient Power Solutions and PSI Power & Controls, which merged in 2022, are now part of Trystar.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20Exact matchBedford, OH, United StatesHQ recorded Oct 22, 202651-20021 contacts →

Exact match

“Headquarted in Bedford, Ohio, Lake Shore Electric Corporation is one of the oldest and most widely recognized manufacturers of Generator Control Switchgear and Transfer Switches.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21Exact matchRacine, WI, United StatesHQ recorded Oct 22, 202651-20021 contacts →

Exact match

“Reliance Controls Corporation is North America’s largest and leading manufacturer of manual transfer switches, pioneering the original “loadside” transfer switch design since 1983.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22Exact matchMelbourne, AustraliaHQ recorded Oct 22, 202611-5017 contacts →

Exact match

“Static Power provides security and peace of mind for critical power.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23Exact matchAntigo, WI, United StatesHQ recorded Oct 22, 202611-5015 contacts →

Exact match

“At TSI Power, we make the highest-quality power solutions available, including high-quality outdoor UPS, automatic voltage regulators, deep sag & momentary power outage…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchCherryville, NC, United StatesHQ recorded Oct 22, 202611-5015 contacts →

Exact match

“Power Generation and Control, Inc performs service, repair, and installation of commercial generators.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchFremont, CA, United StatesHQ recorded Oct 22, 202611-5015 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase

Showing 25 of 134 automatic transfer emergency switches suppliers worldwide

See the full list, filter by size, metro and specialty, and access 815 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Automatic transfer emergency switches suppliers worldwide at a glance

As of Oct 22, 2026
32.7%Verified-email coverage
18.6Average contacts per company
11-50Median size (employees)
3.7%Largest-city concentration · Istanbul
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
44
11-50
43
51-200
23
201-500
14
501-1,000
4
1,001-5,000
3
10001+
2

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for automatic transfer emergency switches suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “automatic transfer emergency switches suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 815 professional contacts with verified work emails across the full matched dataset. 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 October 22, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Automatic transfer emergency switches suppliers by location

1 lists · largest first

Every Automatic transfer emergency switches suppliers 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 SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “automatic transfer emergency switches suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many automatic transfer emergency switches suppliers are there worldwide?

RevenueBase identified 134 company matches for automatic transfer emergency switches suppliers worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

First Multi-Tech Industrial And Development Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most automatic transfer emergency switches suppliers?

The United States leads with 52 companies. Every automatic transfer emergency switches suppliers list by country and city is linked on this page.

Which city has the most automatic transfer emergency switches suppliers?

Istanbul leads with 5 company records, followed by Bedford (2) and Langley (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 815 professional contacts with verified work emails tracked across these 134 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 22, 2026.

Ready to reach these companies? Verified emails and direct dials for all 134 automatic transfer emergency switches suppliers worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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 SmartSearch, 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.