Company lists · Data refreshed October 2026
Top 24 Automatic transfer emergency switches suppliers based in the United States
RevenueBase identified 52 company matches for automatic transfer emergency switches suppliers associated with the United States as of October 2026 and tracks 1,233 professional contacts across them, including 553 with verified work emails. Bedford is the largest hub.
This list covers company matches for automatic transfer emergency switches suppliers associated with the United States, 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.
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.
The 24 largest automatic transfer emergency switches suppliers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 199 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 | |||||
| 2 | 198 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 | |||||
| 3 | 161 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 | |||||
| 4 | 81 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 | |||||
| 5 | 58 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 | |||||
| 6 | 48 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 | |||||
| 7 | 33 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 | |||||
| 8 | 30 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 | |||||
| 9 | 26 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 | |||||
| 10 | 26 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 | |||||
| 11 | 23 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 | |||||
| 12 | 21 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 | |||||
| 13 | 21 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 | |||||
| 14 | 15 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 | |||||
| 15 | 15 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 | |||||
| 16 | 15 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 17 | 13 contacts → | ||||
Exact match “When the weather’s calm and power grids are stable, buying a backup power generator isn’t the first thing on your mind, but no home or business owner should be caught without one.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 18 | 10 contacts → | ||||
Exact match “Norwall PowerSystems was established in 1997.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 19 | 8 contacts → | ||||
Exact match “Rent- UPS Systems, Generators, and ATS – Indoor systems from 3 kVA to kVA and Outdoor systems from 80 kVA to kVA.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 20 | 6 contacts → | ||||
Exact match “Design and Turn-Key Installations for standby power systems.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “Powersystems Group, your foremost partner in the United States for essential power solutions and services.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “TwinSource is a leading provider of rack based static and electromechanical transfer switches for mission critical applications, available in single phase 2-pole as well as three…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match “Delta Power, Inc.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “automatic transfer emergency switches suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 24 of 52 automatic transfer emergency switches suppliers based in the United States
See the full list, filter by size, metro and specialty, and access 553 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Automatic transfer emergency switches suppliers based in the United States at a glance
As of Oct 22, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 52 companies.
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.
- What qualifies
- Company records associated with the United States 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 553 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.
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 based in the United States?
RevenueBase identified 52 company matches for automatic transfer emergency switches suppliers associated with the United States 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?
Russelectric, A Siemens Business tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most automatic transfer emergency switches suppliers?
Bedford leads with 2 company records, followed by Racine (2) and Tulsa (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 553 professional contacts with verified work emails tracked across these 52 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 52 automatic transfer emergency switches suppliers based in the United States. Start with a free account, no credit card.
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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.
More company lists
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- Lists A-Z
- New lists
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 24 automatic transfer emergency switches suppliers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 52 matching company records for automatic transfer emergency switches suppliers based in the United States, with 1,233 tracked contacts and 553 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 24 automatic transfer emergency switches suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Russelectric, A Siemens Businessrusselectric.com HQ: Hingham, MA, United StatesReported employees: 201-500 | Hingham, MA, United States | 201-500 | Exact match | 199 contacts → |
“Founded in 1955, Russelectric®, A Siemens Business, provides high-integrity power control solutions for mission critical applications in the healthcare, information technology…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Genservegenserveinc.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 198 contacts → |
“GenServe supports critical infrastructure by delivering expert, OEM-agnostic power services across all generator systems and brands.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Layerzero Power Systemslayerzero.com HQ: Aurora, OH, United StatesReported employees: 501-1,000 | Aurora, OH, United States | 501-1,000 | Exact match | 161 contacts → |
“LayerZero Power Systems designs and manufactures best-in-class power quality products, including Static Transfer Switches, Power Distribution Units, Remote Power Panels.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Butcher Power Productsbppmfg.com HQ: Sacramento, CA, United StatesReported employees: 51-200 | Sacramento, CA, United States | 51-200 | Exact match | 81 contacts → |
“At Butcher Power Products (BPP), we are redefining what it means to be a power solutions manufacturer.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | FM Generator, INCfmgenerator.com HQ: Canton, MA, United StatesReported employees: 51-200 | Canton, MA, United States | 51-200 | Exact match | 58 contacts → |
“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 description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cerio Corpcerio.biz HQ: Live Oak, FL, United StatesReported employees: 11-50 | Live Oak, FL, United States | 11-50 | Exact match | 48 contacts → |
“Cerio Corp specializes in delivering world-class critical power solutions, including UPS, batteries, custom switchgear, engine generators, transformers, and control systems.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Pioneer Critical Powerpioneercriticalpower.com HQ: Champlin, MN, United StatesReported employees: 51-200 | Champlin, MN, United States | 51-200 | Exact match | 33 contacts → |
“Pioneer Critical Power offers the most advanced equipment and service solutions for onsite emergency power.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Powerflo Solutionspowerfloltd.com HQ: Marietta, OH, United StatesReported employees: 11-50 | Marietta, OH, United States | 11-50 | Exact match | 30 contacts → |
“PowerFlo Solutions, based in Ohio, is a highly integrated business specializing in the design and manufacturing of top-notch power quality products.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Weld Power Generator INCweldpower.com HQ: Millbury, MA, United StatesReported employees: 11-50 | Millbury, MA, United States | 11-50 | Exact match | 26 contacts → |
“Weld Power Generator has been providing a premium & professional emergency power service to the northeast region for 70 years.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Ultimate Service Associates, LLCusa-svc.com HQ: Tulsa, OK, United StatesReported employees: 11-50 | Tulsa, OK, United States | 11-50 | Exact match | 26 contacts → |
“As a nationwide generator service and support company, Ultimate Service Associates provides regional and national support to clients with critical power system networks.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Salient Trystarpsicontrolsolutions.com HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 23 contacts → |
“Salient Power Solutions and PSI Power & Controls, which merged in 2022, are now part of Trystar.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Lake Shore Electriclake-shore-electric.com HQ: Bedford, OH, United StatesReported employees: 51-200 | Bedford, OH, United States | 51-200 | Exact match | 21 contacts → |
“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 description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Reliance Controls Corporationreliancecontrols.com HQ: Racine, WI, United StatesReported employees: 51-200 | Racine, WI, United States | 51-200 | Exact match | 21 contacts → |
“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 description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | TSI Power Corporationtsipower.com HQ: Antigo, WI, United StatesReported employees: 11-50 | Antigo, WI, United States | 11-50 | Exact match | 15 contacts → |
“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 description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Power Generation And Control, INCpgandc.com HQ: Cherryville, NC, United StatesReported employees: 11-50 | Cherryville, NC, United States | 11-50 | Exact match | 15 contacts → |
“Power Generation and Control, Inc performs service, repair, and installation of commercial generators.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Electro-Motion, INCelectromotion.com HQ: Fremont, CA, United StatesReported employees: 11-50 | Fremont, CA, United States | 11-50 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Midwest Electric And Generator, INCmidwestgenerators.com HQ: Rogers, MN, United StatesReported employees: 1-10 | Rogers, MN, United States | 1-10 | Exact match | 13 contacts → |
“When the weather’s calm and power grids are stable, buying a backup power generator isn’t the first thing on your mind, but no home or business owner should be caught without one.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Norwall Powersystemsnorwall.com HQ: Lake Havasu City, AZ, United StatesReported employees: 11-50 | Lake Havasu City, AZ, United States | 11-50 | Exact match | 10 contacts → |
“Norwall PowerSystems was established in 1997.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Critical Infrastructure Group, LLCcigroup-us.com HQ: Sparks, NV, United StatesReported employees: 11-50 | Sparks, NV, United States | 11-50 | Exact match | 8 contacts → |
“Rent- UPS Systems, Generators, and ATS – Indoor systems from 3 kVA to kVA and Outdoor systems from 80 kVA to kVA.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Emergency Power Systems, INCepstulsa.com HQ: Tulsa, OK, United StatesReported employees: 11-50 | Tulsa, OK, United States | 11-50 | Exact match | 6 contacts → |
“Design and Turn-Key Installations for standby power systems.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Powersystems Group, LLCpwrsystemsgroup.com HQ: Dallas - Fort Worth, TX, United StatesReported employees: 1-10 | Dallas - Fort Worth, TX, United States | 1-10 | Exact match | 4 contacts → |
“Powersystems Group, your foremost partner in the United States for essential power solutions and services.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Twinsourcetwinsource.net HQ: Cincinnati, OH, United StatesReported employees: 1-10 | Cincinnati, OH, United States | 1-10 | Exact match | 2 contacts → |
“TwinSource is a leading provider of rack based static and electromechanical transfer switches for mission critical applications, available in single phase 2-pole as well as three…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Zenith Power Systemszenithpowersys.com HQ: Brenham, TX, United StatesReported employees: 1-10 | Brenham, TX, United States | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Delta Power INCdeltapowerinc.com HQ: Santa Ana, CA, United StatesReported employees: 11-50 | Santa Ana, CA, United States | 11-50 | Exact match | 1 contacts → |
“Delta Power, Inc.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 52 company matches
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Automatic transfer emergency switches suppliers: dataset insights
October 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
52 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 52 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for automatic transfer emergency switches suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many automatic transfer emergency switches suppliers did RevenueBase find based in the United States?
The saved snapshot records 52 matching company records, 1,233 tracked contacts and 553 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cite this list
RevenueBase Data Team. Top 24 automatic transfer emergency switches suppliers based in the United States. Snapshot: October 22, 2026. https://revenuebase.ai/companies/automatic-transfer-emergency-switches-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 24 automatic transfer emergency switches suppliers based in the United States
RevenueBase records 52 matching company records for automatic transfer emergency switches suppliers based in the United States, with 1,233 tracked contacts and 553 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 24 automatic transfer emergency switches suppliers based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Russelectric, A Siemens Businessrusselectric.com HQ: Hingham, MA, United StatesReported employees: 201-500 | Hingham, MA, United States | 201-500 | Exact match | 199 contacts → |
“Founded in 1955, Russelectric®, A Siemens Business, provides high-integrity power control solutions for mission critical applications in the healthcare, information technology…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Genservegenserveinc.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 198 contacts → |
“GenServe supports critical infrastructure by delivering expert, OEM-agnostic power services across all generator systems and brands.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Layerzero Power Systemslayerzero.com HQ: Aurora, OH, United StatesReported employees: 501-1,000 | Aurora, OH, United States | 501-1,000 | Exact match | 161 contacts → |
“LayerZero Power Systems designs and manufactures best-in-class power quality products, including Static Transfer Switches, Power Distribution Units, Remote Power Panels.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Butcher Power Productsbppmfg.com HQ: Sacramento, CA, United StatesReported employees: 51-200 | Sacramento, CA, United States | 51-200 | Exact match | 81 contacts → |
“At Butcher Power Products (BPP), we are redefining what it means to be a power solutions manufacturer.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | FM Generator, INCfmgenerator.com HQ: Canton, MA, United StatesReported employees: 51-200 | Canton, MA, United States | 51-200 | Exact match | 58 contacts → |
“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 description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Cerio Corpcerio.biz HQ: Live Oak, FL, United StatesReported employees: 11-50 | Live Oak, FL, United States | 11-50 | Exact match | 48 contacts → |
“Cerio Corp specializes in delivering world-class critical power solutions, including UPS, batteries, custom switchgear, engine generators, transformers, and control systems.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Pioneer Critical Powerpioneercriticalpower.com HQ: Champlin, MN, United StatesReported employees: 51-200 | Champlin, MN, United States | 51-200 | Exact match | 33 contacts → |
“Pioneer Critical Power offers the most advanced equipment and service solutions for onsite emergency power.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Powerflo Solutionspowerfloltd.com HQ: Marietta, OH, United StatesReported employees: 11-50 | Marietta, OH, United States | 11-50 | Exact match | 30 contacts → |
“PowerFlo Solutions, based in Ohio, is a highly integrated business specializing in the design and manufacturing of top-notch power quality products.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Weld Power Generator INCweldpower.com HQ: Millbury, MA, United StatesReported employees: 11-50 | Millbury, MA, United States | 11-50 | Exact match | 26 contacts → |
“Weld Power Generator has been providing a premium & professional emergency power service to the northeast region for 70 years.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Ultimate Service Associates, LLCusa-svc.com HQ: Tulsa, OK, United StatesReported employees: 11-50 | Tulsa, OK, United States | 11-50 | Exact match | 26 contacts → |
“As a nationwide generator service and support company, Ultimate Service Associates provides regional and national support to clients with critical power system networks.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Salient Trystarpsicontrolsolutions.com HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 23 contacts → |
“Salient Power Solutions and PSI Power & Controls, which merged in 2022, are now part of Trystar.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Lake Shore Electriclake-shore-electric.com HQ: Bedford, OH, United StatesReported employees: 51-200 | Bedford, OH, United States | 51-200 | Exact match | 21 contacts → |
“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 description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Reliance Controls Corporationreliancecontrols.com HQ: Racine, WI, United StatesReported employees: 51-200 | Racine, WI, United States | 51-200 | Exact match | 21 contacts → |
“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 description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | TSI Power Corporationtsipower.com HQ: Antigo, WI, United StatesReported employees: 11-50 | Antigo, WI, United States | 11-50 | Exact match | 15 contacts → |
“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 description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Power Generation And Control, INCpgandc.com HQ: Cherryville, NC, United StatesReported employees: 11-50 | Cherryville, NC, United States | 11-50 | Exact match | 15 contacts → |
“Power Generation and Control, Inc performs service, repair, and installation of commercial generators.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Electro-Motion, INCelectromotion.com HQ: Fremont, CA, United StatesReported employees: 11-50 | Fremont, CA, United States | 11-50 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Midwest Electric And Generator, INCmidwestgenerators.com HQ: Rogers, MN, United StatesReported employees: 1-10 | Rogers, MN, United States | 1-10 | Exact match | 13 contacts → |
“When the weather’s calm and power grids are stable, buying a backup power generator isn’t the first thing on your mind, but no home or business owner should be caught without one.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Norwall Powersystemsnorwall.com HQ: Lake Havasu City, AZ, United StatesReported employees: 11-50 | Lake Havasu City, AZ, United States | 11-50 | Exact match | 10 contacts → |
“Norwall PowerSystems was established in 1997.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Critical Infrastructure Group, LLCcigroup-us.com HQ: Sparks, NV, United StatesReported employees: 11-50 | Sparks, NV, United States | 11-50 | Exact match | 8 contacts → |
“Rent- UPS Systems, Generators, and ATS – Indoor systems from 3 kVA to kVA and Outdoor systems from 80 kVA to kVA.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Emergency Power Systems, INCepstulsa.com HQ: Tulsa, OK, United StatesReported employees: 11-50 | Tulsa, OK, United States | 11-50 | Exact match | 6 contacts → |
“Design and Turn-Key Installations for standby power systems.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Powersystems Group, LLCpwrsystemsgroup.com HQ: Dallas - Fort Worth, TX, United StatesReported employees: 1-10 | Dallas - Fort Worth, TX, United States | 1-10 | Exact match | 4 contacts → |
“Powersystems Group, your foremost partner in the United States for essential power solutions and services.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Twinsourcetwinsource.net HQ: Cincinnati, OH, United StatesReported employees: 1-10 | Cincinnati, OH, United States | 1-10 | Exact match | 2 contacts → |
“TwinSource is a leading provider of rack based static and electromechanical transfer switches for mission critical applications, available in single phase 2-pole as well as three…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Zenith Power Systemszenithpowersys.com HQ: Brenham, TX, United StatesReported employees: 1-10 | Brenham, TX, United States | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Delta Power INCdeltapowerinc.com HQ: Santa Ana, CA, United StatesReported employees: 11-50 | Santa Ana, CA, United States | 11-50 | Exact match | 1 contacts → |
“Delta Power, Inc.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 52 company matches
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Automatic transfer emergency switches suppliers: dataset insights
October 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
52 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 52 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for automatic transfer emergency switches suppliers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many automatic transfer emergency switches suppliers did RevenueBase find based in the United States?
The saved snapshot records 52 matching company records, 1,233 tracked contacts and 553 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Cite this list
RevenueBase Data Team. Top 24 automatic transfer emergency switches suppliers based in the United States. Snapshot: October 22, 2026. https://revenuebase.ai/companies/automatic-transfer-emergency-switches-suppliers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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