Company lists · Data refreshed September 2026
Top 25 Electrical testing and commissioning firms based in the United States
RevenueBase identified 3,157 company matches for electrical testing and commissioning firms associated with the United States as of September 2026 and tracks 44,759 professional contacts across them, including 15,182 with verified work emails. Houston is the largest hub.
This list covers company matches for electrical testing and commissioning firms 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 September 19, 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 25 largest electrical testing and commissioning firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,221 contacts → | ||||
Exact match “Shermco Industries is a provider of safe, reliable testing, repair, professional training, electrical outage planning, maintenance and analysis of rotating apparatus and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 2 | 789 contacts → | ||||
Exact match “FLANDERS, Leverage our legacy.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 3 | 782 contacts → | ||||
Exact match “WELCOME TO OUR WEBSITE!” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 4 | 653 contacts → | ||||
Exact match “Electric Power Systems is an independent electrical testing & engineering organization.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 5 | 619 contacts → | ||||
Exact match “Doble is the world’s most trusted brand in electrical diagnostics.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 6 | 597 contacts → | ||||
Exact match “Since 1923, Alterman has provided electrical construction on many of San Antonio and Austin's most impressive landmarks and contemporary structures.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 7 | 560 contacts → | ||||
Exact match “Founded in 1990, CSI has become a leader in highly technical and innovative electrical design and construction.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 8 | 524 contacts → | ||||
Exact match “Hunt Electric is a national electrical design, build, and maintenance firm based in Eagan, MN.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 9 | 521 contacts → | ||||
Exact match “Saber Power Services, a portfolio company of Greenbelt Capital Partners, is a fully integrated electrical power system services firm providing end-to-end solutions across utility…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 10 | 511 contacts → | ||||
Exact match “RESA Power is your ONE-STOP for all of your power needs.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 11 | 498 contacts → | ||||
Exact match “At Pieper Electric, Inc,"Our People Are Our Power" isn't just a phrase; it's our way of life.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 12 | 459 contacts → | ||||
Exact match “Inglett & Stubbs LLC is a recognized leader in the electrical construction industry today.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 13 | 455 contacts → | ||||
Exact match “Ace Electric is a family-owned/operated electrical contractor performing safe and high-quality work for clients throughout the United States.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 14 | 444 contacts → | ||||
Exact match “The E-J Group is active in all facets of electrical contracting, bringing experience, expertise, and a national reputation to projects that range in size up to more than $1…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 15 | 391 contacts → | ||||
Exact match “Strada Services is a full service electrical, security, and air conditioning contracting company servicing residential, commercial, and industrial customers in Florida and in the…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 16 | 352 contacts → | ||||
Exact match “Hunt Electric is an industry-leading electrical contractor serving commercial, industrial, mission critical, mining, infrastructure, and numerous other sectors.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 17 | 320 contacts → | ||||
Exact match “Since our founding in 1966, Big State Electric Ltd.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 18 | 304 contacts → | ||||
Exact match “From our beginning in 1962 as a small electrical maintenance company in downtown Indianapolis with a staff of three, ERMCO, Inc.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 19 | 288 contacts → | ||||
Exact match “Electrical and communication services including design, installation, testing, long-term service, and maintenance.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 20 | 283 contacts → | ||||
Exact match “We are more than an Electrical Contractor…We’re Your Partner As employee-owners we build your project as if it were our own.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 21 | 263 contacts → | ||||
Exact match “Intermountain Electric (IME) is a full-service electrical contractor known for craftsmanship, ingenuity, and trusted delivery.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 22 | 245 contacts → | ||||
Exact match “MKD Electric is one of the Midwest’s largest full-service merit shop industrial electrical contractors, specializing in instrumentation and control systems integration.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 23 | 241 contacts → | ||||
Exact match “After serving clients for over 60 years, we are more than just a company – we are a service business.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 24 | 238 contacts → | ||||
Exact match “Taft Electric Company has been a proud member of NECA and the IBEW, serving the construction industry for over 75 years.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase | |||||
| 25 | 228 contacts → | ||||
Exact match “In business since 1971, Electrical Reliability Services, Inc.” Recorded in the RevenueBase company graph · Sep 19, 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 “electrical testing and commissioning firms”. 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 25 of 3,157 electrical testing and commissioning firms based in the United States
See the full list, filter by size, metro and specialty, and access 15,182 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Electrical testing and commissioning firms based in the United States at a glance
As of Sep 19, 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 3,157 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 “electrical testing and commissioning firms” 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 15,182 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 September 19, 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.
Electrical testing and commissioning firms by metro
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 “electrical testing and commissioning firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many electrical testing and commissioning firms are there based in the United States?
RevenueBase identified 3,157 company matches for electrical testing and commissioning firms associated with the United States as of September 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?
Shermco Industries tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most electrical testing and commissioning firms?
Houston leads with 78 company records, followed by New York (36) and Miami (26).
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 15,182 professional contacts with verified work emails tracked across these 3,157 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 September 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,157 electrical testing and commissioning firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Electrical testing and commissioning firms by geography
- Electrical testing and commissioning firms based in Brisbane, Australia
- Electrical testing and commissioning firms based in Melbourne, Australia
- Electrical testing and commissioning firms based in Perth, Australia
- Electrical testing and commissioning firms based in Sydney, Australia
- Electrical testing and commissioning firms based in Sao Paulo, Brazil
- Electrical testing and commissioning firms based in Bristol, United Kingdom
- Electrical testing and commissioning firms based in Leicester, United Kingdom
- Electrical testing and commissioning firms based in London, United Kingdom
- Electrical testing and commissioning firms based in Manchester, United Kingdom
- Electrical testing and commissioning firms based in Sheffield, United Kingdom
- Electrical testing and commissioning firms based in Houston, United States
- Electrical testing and commissioning firms based in New York, United States
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Electrical testing and commissioning firms based in Brisbane, Australia
- Electrical testing and commissioning firms based in Melbourne, Australia
- Electrical testing and commissioning firms based in Perth, Australia
- Electrical testing and commissioning firms based in Sydney, Australia
- Electrical testing and commissioning firms based in Sao Paulo, Brazil
- Electrical testing and commissioning firms based in Bristol, United Kingdom
Company intelligence · public preview
Top 25 electrical testing and commissioning firms 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 3,157 matching company records for electrical testing and commissioning firms based in the United States, with 44,759 tracked contacts and 15,182 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 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 25 electrical testing and commissioning firms 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 |  Shermco Industriesshermco.comHQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 1,221 contacts → |
“Shermco Industries is a provider of safe, reliable testing, repair, professional training, electrical outage planning, maintenance and analysis of rotating apparatus and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Flandersflandersinc.comHQ: Evansville, IN, United StatesReported employees: 501-1,000 | Evansville, IN, United States | 501-1,000 | Exact match | 789 contacts → |
“FLANDERS, Leverage our legacy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Elec-Tech Electrical Contractorselectechca.com HQ: Long Beach, CA, United StatesReported employees: Not recorded | Long Beach, CA, United States | Not recorded | Exact match | 782 contacts → |
“WELCOME TO OUR WEBSITE!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Electric Power Systemsvoltyx.comHQ: Maryland Heights, MO, United StatesReported employees: 501-1,000 | Maryland Heights, MO, United States | 501-1,000 | Exact match | 653 contacts → |
“Electric Power Systems is an independent electrical testing & engineering organization.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Doble Engineeringdoble.comHQ: Marlborough, MA, United StatesReported employees: 501-1,000 | Marlborough, MA, United States | 501-1,000 | Exact match | 619 contacts → |
“Doble is the world’s most trusted brand in electrical diagnostics.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Alterman, INCgoalterman.comHQ: Live Oak, TX, United StatesReported employees: 501-1,000 | Live Oak, TX, United States | 501-1,000 | Exact match | 597 contacts → |
“Since 1923, Alterman has provided electrical construction on many of San Antonio and Austin's most impressive landmarks and contemporary structures.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  CSI Electrical Contractors, INCcsielectric.comHQ: Santa Fe Springs, CA, United StatesReported employees: 1,001-5,000 | Santa Fe Springs, CA, United States | 1,001-5,000 | Exact match | 560 contacts → |
“Founded in 1990, CSI has become a leader in highly technical and innovative electrical design and construction.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Hunt Electrichuntelec.comHQ: Eagan, MN, United StatesReported employees: 1,001-5,000 | Eagan, MN, United States | 1,001-5,000 | Exact match | 524 contacts → |
“Hunt Electric is a national electrical design, build, and maintenance firm based in Eagan, MN.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Saber Powersaberpower.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 521 contacts → |
“Saber Power Services, a portfolio company of Greenbelt Capital Partners, is a fully integrated electrical power system services firm providing end-to-end solutions across utility…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Resa Powerresapower.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 511 contacts → |
“RESA Power is your ONE-STOP for all of your power needs.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Pieper Electric, INCpieperpower.com HQ: New Berlin, WI, United StatesReported employees: 501-1,000 | New Berlin, WI, United States | 501-1,000 | Exact match | 498 contacts → |
“At Pieper Electric, Inc,"Our People Are Our Power" isn't just a phrase; it's our way of life.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Inglett & Stubbsinglett-stubbs.comHQ: Mableton, GA, United StatesReported employees: 501-1,000 | Mableton, GA, United States | 501-1,000 | Exact match | 459 contacts → |
“Inglett & Stubbs LLC is a recognized leader in the electrical construction industry today.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  ACE Electric, INCaceelectric.netHQ: Valdosta, GA, United StatesReported employees: 1,001-5,000 | Valdosta, GA, United States | 1,001-5,000 | Exact match | 455 contacts → |
“Ace Electric is a family-owned/operated electrical contractor performing safe and high-quality work for clients throughout the United States.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  E-J Electric Installation COej1899.comHQ: Long Island City, NY, United StatesReported employees: 1,001-5,000 | Long Island City, NY, United States | 1,001-5,000 | Exact match | 444 contacts → |
“The E-J Group is active in all facets of electrical contracting, bringing experience, expertise, and a national reputation to projects that range in size up to more than $1…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Strada Servicesstradaservices.comHQ: Sanford, FL, United StatesReported employees: 1,001-5,000 | Sanford, FL, United States | 1,001-5,000 | Exact match | 391 contacts → |
“Strada Services is a full service electrical, security, and air conditioning contracting company servicing residential, commercial, and industrial customers in Florida and in the…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Hunt Electric, LLChuntelectric.comHQ: Salt Lake City, UT, United StatesReported employees: 501-1,000 | Salt Lake City, UT, United States | 501-1,000 | Exact match | 352 contacts → |
“Hunt Electric is an industry-leading electrical contractor serving commercial, industrial, mission critical, mining, infrastructure, and numerous other sectors.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  BIG State Electric, LTDbigstateelectric.comHQ: San Antonio, TX, United StatesReported employees: 1,001-5,000 | San Antonio, TX, United States | 1,001-5,000 | Exact match | 320 contacts → |
“Since our founding in 1966, Big State Electric Ltd.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Ermco, INCermco.comHQ: Greenwood, IN, United StatesReported employees: 201-500 | Greenwood, IN, United States | 201-500 | Exact match | 304 contacts → |
“From our beginning in 1962 as a small electrical maintenance company in downtown Indianapolis with a staff of three, ERMCO, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Titan Electrictitan-elec.com HQ: Itasca, IL, United StatesReported employees: 501-1,000 | Itasca, IL, United States | 501-1,000 | Exact match | 288 contacts → |
“Electrical and communication services including design, installation, testing, long-term service, and maintenance.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Wilson Electric Services Corpwilsonelectric.net HQ: Tempe, AZ, United StatesReported employees: 501-1,000 | Tempe, AZ, United States | 501-1,000 | Exact match | 283 contacts → |
“We are more than an Electrical Contractor…We’re Your Partner As employee-owners we build your project as if it were our own.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Intermountain Electric, Inc. IMEimelect.com HQ: Denver, CO, United StatesReported employees: 501-1,000 | Denver, CO, United States | 501-1,000 | Exact match | 263 contacts → |
“Intermountain Electric (IME) is a full-service electrical contractor known for craftsmanship, ingenuity, and trusted delivery.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  MKD Electricmkdelectric.comHQ: Elgin, IL, United StatesReported employees: 201-500 | Elgin, IL, United States | 201-500 | Exact match | 245 contacts → |
“MKD Electric is one of the Midwest’s largest full-service merit shop industrial electrical contractors, specializing in instrumentation and control systems integration.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | B&d Industries, INCbanddindustries.com HQ: Albuquerque, NM, United StatesReported employees: 1,001-5,000 | Albuquerque, NM, United States | 1,001-5,000 | Exact match | 241 contacts → |
“After serving clients for over 60 years, we are more than just a company – we are a service business.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Taft Electric COtaftelectric.com HQ: Ventura, CA, United StatesReported employees: 501-1,000 | Ventura, CA, United States | 501-1,000 | Exact match | 238 contacts → |
“Taft Electric Company has been a proud member of NECA and the IBEW, serving the construction industry for over 75 years.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Electrical Reliability Services, INCers.vertiv.comHQ: Westerville, OH, United StatesReported employees: 201-500 | Westerville, OH, United States | 201-500 | Exact match | 228 contacts → |
“In business since 1971, Electrical Reliability Services, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,157 company matches
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Electrical testing and commissioning firms: dataset insights
September 19, 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
3,134 records in the displayed employee bands.
23 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 3,157 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: September 19, 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 ↗
Electrical testing and commissioning firms by metro
Questions about this company list
What does Exact match mean for electrical testing and commissioning firms?
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 electrical testing and commissioning firms did RevenueBase find based in the United States?
The saved snapshot records 3,157 matching company records, 44,759 tracked contacts and 15,182 verified emails. The public preview displays 25 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: September 19, 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
Electrical testing and commissioning firms by geography
- Electrical testing and commissioning firms based in Brisbane, Australia
- Electrical testing and commissioning firms based in Melbourne, Australia
- Electrical testing and commissioning firms based in Perth, Australia
- Electrical testing and commissioning firms based in Sydney, Australia
- Electrical testing and commissioning firms based in Sao Paulo, Brazil
- Electrical testing and commissioning firms based in Bristol, United Kingdom
- Electrical testing and commissioning firms based in Leicester, United Kingdom
- Electrical testing and commissioning firms based in London, United Kingdom
- Electrical testing and commissioning firms based in Manchester, United Kingdom
- Electrical testing and commissioning firms based in Sheffield, United Kingdom
- Electrical testing and commissioning firms based in Houston, United States
- Electrical testing and commissioning firms based in New York, United States
Cite this list
RevenueBase Data Team. Top 25 electrical testing and commissioning firms based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/electrical-testing-and-commissioning-firms/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
- Electrical testing and commissioning firms based in Brisbane, Australia
- Electrical testing and commissioning firms based in Melbourne, Australia
- Electrical testing and commissioning firms based in Perth, Australia
- Electrical testing and commissioning firms based in Sydney, Australia
- Electrical testing and commissioning firms based in Sao Paulo, Brazil
- Electrical testing and commissioning firms based in Bristol, United Kingdom
Company intelligence · public preview
Top 25 electrical testing and commissioning firms based in the United States
RevenueBase records 3,157 matching company records for electrical testing and commissioning firms based in the United States, with 44,759 tracked contacts and 15,182 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 19, 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 25 electrical testing and commissioning firms 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 | Shermco Industriesshermco.com HQ: Irving, TX, United StatesReported employees: 1,001-5,000 | Irving, TX, United States | 1,001-5,000 | Exact match | 1,221 contacts → |
“Shermco Industries is a provider of safe, reliable testing, repair, professional training, electrical outage planning, maintenance and analysis of rotating apparatus and…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Flandersflandersinc.com HQ: Evansville, IN, United StatesReported employees: 501-1,000 | Evansville, IN, United States | 501-1,000 | Exact match | 789 contacts → |
“FLANDERS, Leverage our legacy.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Elec-Tech Electrical Contractorselectechca.com HQ: Long Beach, CA, United StatesReported employees: Not recorded | Long Beach, CA, United States | Not recorded | Exact match | 782 contacts → |
“WELCOME TO OUR WEBSITE!” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Electric Power Systemsvoltyx.com HQ: Maryland Heights, MO, United StatesReported employees: 501-1,000 | Maryland Heights, MO, United States | 501-1,000 | Exact match | 653 contacts → |
“Electric Power Systems is an independent electrical testing & engineering organization.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Doble Engineeringdoble.com HQ: Marlborough, MA, United StatesReported employees: 501-1,000 | Marlborough, MA, United States | 501-1,000 | Exact match | 619 contacts → |
“Doble is the world’s most trusted brand in electrical diagnostics.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Alterman, INCgoalterman.com HQ: Live Oak, TX, United StatesReported employees: 501-1,000 | Live Oak, TX, United States | 501-1,000 | Exact match | 597 contacts → |
“Since 1923, Alterman has provided electrical construction on many of San Antonio and Austin's most impressive landmarks and contemporary structures.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | CSI Electrical Contractors, INCcsielectric.com HQ: Santa Fe Springs, CA, United StatesReported employees: 1,001-5,000 | Santa Fe Springs, CA, United States | 1,001-5,000 | Exact match | 560 contacts → |
“Founded in 1990, CSI has become a leader in highly technical and innovative electrical design and construction.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Hunt Electrichuntelec.com HQ: Eagan, MN, United StatesReported employees: 1,001-5,000 | Eagan, MN, United States | 1,001-5,000 | Exact match | 524 contacts → |
“Hunt Electric is a national electrical design, build, and maintenance firm based in Eagan, MN.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Saber Powersaberpower.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 521 contacts → |
“Saber Power Services, a portfolio company of Greenbelt Capital Partners, is a fully integrated electrical power system services firm providing end-to-end solutions across utility…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Resa Powerresapower.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 511 contacts → |
“RESA Power is your ONE-STOP for all of your power needs.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Pieper Electric, INCpieperpower.com HQ: New Berlin, WI, United StatesReported employees: 501-1,000 | New Berlin, WI, United States | 501-1,000 | Exact match | 498 contacts → |
“At Pieper Electric, Inc,"Our People Are Our Power" isn't just a phrase; it's our way of life.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Inglett & Stubbsinglett-stubbs.com HQ: Mableton, GA, United StatesReported employees: 501-1,000 | Mableton, GA, United States | 501-1,000 | Exact match | 459 contacts → |
“Inglett & Stubbs LLC is a recognized leader in the electrical construction industry today.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | ACE Electric, INCaceelectric.net HQ: Valdosta, GA, United StatesReported employees: 1,001-5,000 | Valdosta, GA, United States | 1,001-5,000 | Exact match | 455 contacts → |
“Ace Electric is a family-owned/operated electrical contractor performing safe and high-quality work for clients throughout the United States.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | E-J Electric Installation COej1899.com HQ: Long Island City, NY, United StatesReported employees: 1,001-5,000 | Long Island City, NY, United States | 1,001-5,000 | Exact match | 444 contacts → |
“The E-J Group is active in all facets of electrical contracting, bringing experience, expertise, and a national reputation to projects that range in size up to more than $1…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Strada Servicesstradaservices.com HQ: Sanford, FL, United StatesReported employees: 1,001-5,000 | Sanford, FL, United States | 1,001-5,000 | Exact match | 391 contacts → |
“Strada Services is a full service electrical, security, and air conditioning contracting company servicing residential, commercial, and industrial customers in Florida and in the…” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Hunt Electric, LLChuntelectric.com HQ: Salt Lake City, UT, United StatesReported employees: 501-1,000 | Salt Lake City, UT, United States | 501-1,000 | Exact match | 352 contacts → |
“Hunt Electric is an industry-leading electrical contractor serving commercial, industrial, mission critical, mining, infrastructure, and numerous other sectors.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | BIG State Electric, LTDbigstateelectric.com HQ: San Antonio, TX, United StatesReported employees: 1,001-5,000 | San Antonio, TX, United States | 1,001-5,000 | Exact match | 320 contacts → |
“Since our founding in 1966, Big State Electric Ltd.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ermco, INCermco.com HQ: Greenwood, IN, United StatesReported employees: 201-500 | Greenwood, IN, United States | 201-500 | Exact match | 304 contacts → |
“From our beginning in 1962 as a small electrical maintenance company in downtown Indianapolis with a staff of three, ERMCO, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Titan Electrictitan-elec.com HQ: Itasca, IL, United StatesReported employees: 501-1,000 | Itasca, IL, United States | 501-1,000 | Exact match | 288 contacts → |
“Electrical and communication services including design, installation, testing, long-term service, and maintenance.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Wilson Electric Services Corpwilsonelectric.net HQ: Tempe, AZ, United StatesReported employees: 501-1,000 | Tempe, AZ, United States | 501-1,000 | Exact match | 283 contacts → |
“We are more than an Electrical Contractor…We’re Your Partner As employee-owners we build your project as if it were our own.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Intermountain Electric, Inc. IMEimelect.com HQ: Denver, CO, United StatesReported employees: 501-1,000 | Denver, CO, United States | 501-1,000 | Exact match | 263 contacts → |
“Intermountain Electric (IME) is a full-service electrical contractor known for craftsmanship, ingenuity, and trusted delivery.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | MKD Electricmkdelectric.com HQ: Elgin, IL, United StatesReported employees: 201-500 | Elgin, IL, United States | 201-500 | Exact match | 245 contacts → |
“MKD Electric is one of the Midwest’s largest full-service merit shop industrial electrical contractors, specializing in instrumentation and control systems integration.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | B&d Industries, INCbanddindustries.com HQ: Albuquerque, NM, United StatesReported employees: 1,001-5,000 | Albuquerque, NM, United States | 1,001-5,000 | Exact match | 241 contacts → |
“After serving clients for over 60 years, we are more than just a company – we are a service business.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Taft Electric COtaftelectric.com HQ: Ventura, CA, United StatesReported employees: 501-1,000 | Ventura, CA, United States | 501-1,000 | Exact match | 238 contacts → |
“Taft Electric Company has been a proud member of NECA and the IBEW, serving the construction industry for over 75 years.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Electrical Reliability Services, INCers.vertiv.com HQ: Westerville, OH, United StatesReported employees: 201-500 | Westerville, OH, United States | 201-500 | Exact match | 228 contacts → |
“In business since 1971, Electrical Reliability Services, Inc.” Recorded description excerpt · September 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,157 company matches
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Electrical testing and commissioning firms: dataset insights
September 19, 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
3,134 records in the displayed employee bands.
23 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 3,157 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: September 19, 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 ↗
Electrical testing and commissioning firms by metro
Questions about this company list
What does Exact match mean for electrical testing and commissioning firms?
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 electrical testing and commissioning firms did RevenueBase find based in the United States?
The saved snapshot records 3,157 matching company records, 44,759 tracked contacts and 15,182 verified emails. The public preview displays 25 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: September 19, 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
Electrical testing and commissioning firms by geography
- Electrical testing and commissioning firms based in Brisbane, Australia
- Electrical testing and commissioning firms based in Melbourne, Australia
- Electrical testing and commissioning firms based in Perth, Australia
- Electrical testing and commissioning firms based in Sydney, Australia
- Electrical testing and commissioning firms based in Sao Paulo, Brazil
- Electrical testing and commissioning firms based in Bristol, United Kingdom
- Electrical testing and commissioning firms based in Leicester, United Kingdom
- Electrical testing and commissioning firms based in London, United Kingdom
- Electrical testing and commissioning firms based in Manchester, United Kingdom
- Electrical testing and commissioning firms based in Sheffield, United Kingdom
- Electrical testing and commissioning firms based in Houston, United States
- Electrical testing and commissioning firms based in New York, United States
Cite this list
RevenueBase Data Team. Top 25 electrical testing and commissioning firms based in the United States. Snapshot: September 19, 2026. https://revenuebase.ai/companies/electrical-testing-and-commissioning-firms/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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