Company lists · Data refreshed October 2026
Top 25 Industrial electrical testing companies based in the United States
RevenueBase identified 1,630 company matches for industrial electrical testing companies associated with the United States as of October 2026 and tracks 21,428 professional contacts across them, including 7,021 with verified work emails. Houston is the largest hub.
This list covers company matches for industrial electrical testing companies 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 16, 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 industrial electrical testing companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,263 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 · Oct 16, 2026 · View company records in RevenueBase | |||||
| 2 | 922 contacts → | ||||
Exact match “Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 3 | 666 contacts → | ||||
Exact match “Electric Power Systems is an independent electrical testing & engineering organization.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 4 | 654 contacts → | ||||
Exact match “Doble is the world’s most trusted brand in electrical diagnostics.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 5 | 360 contacts → | ||||
Exact match “Life Cycle Testing, Inspection, Certification & Engineering Solutions for Mission Critical Facilities Worldwide Commitment to Diversity – FST is dedicated to non-discriminatory…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 6 | 349 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 7 | 294 contacts → | ||||
Exact match “Structural Integrity Associates is the most-trusted provider of proven engineering services for the energy and process industries.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 8 | 258 contacts → | ||||
Exact match “In business since 1971, Electrical Reliability Services, Inc.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 9 | 221 contacts → | ||||
Exact match “Industrial Inspection & Analysis® (IIA) is an emerging, high growth inspection, testing, and analytical business seeking to build a national platform in order to serve a breadth…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 10 | 200 contacts → | ||||
Exact match “SDMyers is the industry leader in transformer and substation maintenance and electric power system reliability.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 11 | 197 contacts → | ||||
Exact match “Hilscher-Clarke Electric Company is a full service electrical contractor, with more than 100 years experience in the commercial, industrial, and residential markets.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 12 | 194 contacts → | ||||
Exact match “Electrical; Fire Alarm; Kitchen equipment; low voltage network, voice and fiber optic cabling; AV; Sound and Security services for residential, commercial and industrial customers.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 13 | 191 contacts → | ||||
Exact match “Eurofins Electrical & Electronics North America is a leading testing and certification laboratory, providing a unique array of testing services and accreditations for regulatory…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 14 | 180 contacts → | ||||
Exact match “We’re an innovative company with countless years of combined experience in the industrial electrical industry.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 15 | 170 contacts → | ||||
Exact match “The TechCorr name is synonymous with safe, quality inspection services.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 16 | 160 contacts → | ||||
Exact match “About Us Cutting-edge technologies.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 17 | 154 contacts → | ||||
Exact match “KenMor Electric is recognized for its service and craftsmanship.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 18 | 154 contacts → | ||||
Exact match “Trialon is now Element!” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 19 | 150 contacts → | ||||
Exact match “QualSpec is a leading industrial inspection firm headquartered in Houston, Texas.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 20 | 145 contacts → | ||||
Exact match “Hood Patterson & Dewar (HP & D) is a customer-driven, employee-owned collaborative team of engineers, technicians, and service professionals, offering: • Electrical and mechanical…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 21 | 135 contacts → | ||||
Exact match “Since 1967, Rothe has delivered precision-driven solutions in calibration & metrology, engineering, and IT services to a wide range of commercial and industrial sectors.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 22 | 133 contacts → | ||||
Exact match “White Electrical is a full service industrial electrical contractor supplying many different industries including: automotive, food/beverage, power, chemical, pulp/paper…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 23 | 132 contacts → | ||||
Exact match “J.W.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 24 | 132 contacts → | ||||
Exact match “Since 1978, Coastal Gulf & International, Inc.(CGI) has been a trusted leader in independent inspection, testing, and technical services for the energy, petrochemical, and marine…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase | |||||
| 25 | 132 contacts → | ||||
Exact match “JANX is a leader in nondestructive testing and inspection solutions with offices throughout the USA.” Recorded in the RevenueBase company graph · Oct 16, 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 “industrial electrical testing companies”. 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 1,630 industrial electrical testing companies based in the United States
See the full list, filter by size, metro and specialty, and access 7,021 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Industrial electrical testing companies based in the United States at a glance
As of Oct 16, 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 1,630 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 “industrial electrical testing companies” 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 7,021 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 16, 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.
Industrial electrical testing companies 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 “industrial electrical testing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many industrial electrical testing companies are there based in the United States?
RevenueBase identified 1,630 company matches for industrial electrical testing companies 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?
Shermco Industries tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most industrial electrical testing companies?
Houston leads with 37 company records, followed by Charlotte (15) and New York (12).
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 7,021 professional contacts with verified work emails tracked across these 1,630 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 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,630 industrial electrical testing companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Industrial electrical testing companies by geography
- Industrial electrical testing companies based in Sao Paulo, Brazil
- Industrial electrical testing companies based in Mumbai, India
- Industrial electrical testing companies based in Auckland, New Zealand
- Industrial electrical testing companies based in London, United Kingdom
- Industrial electrical testing companies based in Houston, United States
- Industrial electrical testing companies based in Australia
- Industrial electrical testing companies based in Belgium
- Industrial electrical testing companies based in Brazil
- Industrial electrical testing companies based in Canada
- Industrial electrical testing companies based in Chile
- Industrial electrical testing companies based in Colombia
- Industrial electrical testing companies based in France
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
- Industrial electrical testing companies based in Sao Paulo, Brazil
- Industrial electrical testing companies based in Mumbai, India
- Industrial electrical testing companies based in Auckland, New Zealand
- Industrial electrical testing companies based in London, United Kingdom
- Industrial electrical testing companies based in Houston, United States
- Industrial electrical testing companies based in Australia
Company intelligence · public preview
Top 25 industrial electrical testing companies 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 1,630 matching company records for industrial electrical testing companies based in the United States, with 21,428 tracked contacts and 7,021 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: October 16, 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 industrial electrical testing companies 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 | 1,263 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 · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Applied Technical Services, LLCatslab.comHQ: Marietta, GA, United StatesReported employees: 1,001-5,000 | Marietta, GA, United States | 1,001-5,000 | Exact match | 922 contacts → |
“Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Electric Power Systemsvoltyx.comHQ: Maryland Heights, MO, United StatesReported employees: 501-1,000 | Maryland Heights, MO, United States | 501-1,000 | Exact match | 666 contacts → |
“Electric Power Systems is an independent electrical testing & engineering organization.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Doble Engineeringdoble.comHQ: Marlborough, MA, United StatesReported employees: 501-1,000 | Marlborough, MA, United States | 501-1,000 | Exact match | 654 contacts → |
“Doble is the world’s most trusted brand in electrical diagnostics.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  FST Technical Servicesfsttechnical.comHQ: Chandler, AZ, United StatesReported employees: 201-500 | Chandler, AZ, United States | 201-500 | Exact match | 360 contacts → |
“Life Cycle Testing, Inspection, Certification & Engineering Solutions for Mission Critical Facilities Worldwide Commitment to Diversity – FST is dedicated to non-discriminatory…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Versa Integrity Group, INCacuren.comHQ: Tomball, TX, United StatesReported employees: 5,001-10,000 | Tomball, TX, United States | 5,001-10,000 | Exact match | 349 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Structural Integrity Associatesstructint.com HQ: Huntersville, NC, United StatesReported employees: 201-500 | Huntersville, NC, United States | 201-500 | Exact match | 294 contacts → |
“Structural Integrity Associates is the most-trusted provider of proven engineering services for the energy and process industries.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Electrical Reliability Services, INCers.vertiv.comHQ: Westerville, OH, United StatesReported employees: 201-500 | Westerville, OH, United States | 201-500 | Exact match | 258 contacts → |
“In business since 1971, Electrical Reliability Services, Inc.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Industrial Inspection & Analysisindustrial-ia.com HQ: Alpharetta, GA, United StatesReported employees: 501-1,000 | Alpharetta, GA, United States | 501-1,000 | Exact match | 221 contacts → |
“Industrial Inspection & Analysis® (IIA) is an emerging, high growth inspection, testing, and analytical business seeking to build a national platform in order to serve a breadth…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Sdmyerssdmyers.comHQ: Tallmadge, OH, United StatesReported employees: 201-500 | Tallmadge, OH, United States | 201-500 | Exact match | 200 contacts → |
“SDMyers is the industry leader in transformer and substation maintenance and electric power system reliability.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hilscher-Clarke Electric Companyhilscher-clarke.com HQ: Canton, OH, United StatesReported employees: 201-500 | Canton, OH, United States | 201-500 | Exact match | 197 contacts → |
“Hilscher-Clarke Electric Company is a full service electrical contractor, with more than 100 years experience in the commercial, industrial, and residential markets.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | F.D. Hayes Electricfdhayes.com HQ: Lansing, United StatesReported employees: 51-200 | Lansing, United States | 51-200 | Exact match | 194 contacts → |
“Electrical; Fire Alarm; Kitchen equipment; low voltage network, voice and fiber optic cabling; AV; Sound and Security services for residential, commercial and industrial customers.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Baltimore, MD, United StatesReported employees: 201-500 | Baltimore, MD, United States | 201-500 | Exact match | 191 contacts → |
“Eurofins Electrical & Electronics North America is a leading testing and certification laboratory, providing a unique array of testing services and accreditations for regulatory…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Quality Electrical Systemsqualityelectricalsystems.com HQ: West Jordan, UT, United StatesReported employees: 501-1,000 | West Jordan, UT, United States | 501-1,000 | Exact match | 180 contacts → |
“We’re an innovative company with countless years of combined experience in the industrial electrical industry.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Techcorr Usa, LLCtechcorr.com HQ: Pasadena, TX, United StatesReported employees: 501-1,000 | Pasadena, TX, United States | 501-1,000 | Exact match | 170 contacts → |
“The TechCorr name is synonymous with safe, quality inspection services.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Verispexverispex.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 160 contacts → |
“About Us Cutting-edge technologies.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Kenmor Electric Companykenmor.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 154 contacts → |
“KenMor Electric is recognized for its service and craftsmanship.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Trialon Corporationelement.com HQ: Burton, MI, United StatesReported employees: 501-1,000 | Burton, MI, United States | 501-1,000 | Exact match | 154 contacts → |
“Trialon is now Element!” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Qualspecqualspecgroup.comHQ: Deer Park, TX, United StatesReported employees: 1,001-5,000 | Deer Park, TX, United States | 1,001-5,000 | Exact match | 150 contacts → |
“QualSpec is a leading industrial inspection firm headquartered in Houston, Texas.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Hood Patterson & Dewarhoodpd.com HQ: Norcross, GA, United StatesReported employees: 51-200 | Norcross, GA, United States | 51-200 | Exact match | 145 contacts → |
“Hood Patterson & Dewar (HP & D) is a customer-driven, employee-owned collaborative team of engineers, technicians, and service professionals, offering: • Electrical and mechanical…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Rothe Development INCrothe.com HQ: Webster, TX, United StatesReported employees: 201-500 | Webster, TX, United States | 201-500 | Exact match | 135 contacts → |
“Since 1967, Rothe has delivered precision-driven solutions in calibration & metrology, engineering, and IT services to a wide range of commercial and industrial sectors.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  White Electrical Construction Companywhite-electrical.comHQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 133 contacts → |
“White Electrical is a full service industrial electrical contractor supplying many different industries including: automotive, food/beverage, power, chemical, pulp/paper…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  J.W. Didado Electricjwdidado.comHQ: Akron, OH, United StatesReported employees: 501-1,000 | Akron, OH, United States | 501-1,000 | Exact match | 132 contacts → |
“J.W.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  CGI Coastal Gulf & Internationalcoastalgulf.comHQ: Saint Rose, LA, United StatesReported employees: 201-500 | Saint Rose, LA, United States | 201-500 | Exact match | 132 contacts → |
“Since 1978, Coastal Gulf & International, Inc.(CGI) has been a trusted leader in independent inspection, testing, and technical services for the energy, petrochemical, and marine…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | JAN X-Ray Services, INCjanxndt.com HQ: Parma, MI, United StatesReported employees: 201-500 | Parma, MI, United States | 201-500 | Exact match | 132 contacts → |
“JANX is a leader in nondestructive testing and inspection solutions with offices throughout the USA.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,630 company matches
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Industrial electrical testing companies: dataset insights
October 16, 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
1,618 records in the displayed employee bands.
12 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 1,630 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 16, 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 ↗
Industrial electrical testing companies by metro
Questions about this company list
What does Exact match mean for industrial electrical testing companies?
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 industrial electrical testing companies did RevenueBase find based in the United States?
The saved snapshot records 1,630 matching company records, 21,428 tracked contacts and 7,021 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: October 16, 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
Industrial electrical testing companies by geography
- Industrial electrical testing companies based in Sao Paulo, Brazil
- Industrial electrical testing companies based in Mumbai, India
- Industrial electrical testing companies based in Auckland, New Zealand
- Industrial electrical testing companies based in London, United Kingdom
- Industrial electrical testing companies based in Houston, United States
- Industrial electrical testing companies based in Australia
- Industrial electrical testing companies based in Belgium
- Industrial electrical testing companies based in Brazil
- Industrial electrical testing companies based in Canada
- Industrial electrical testing companies based in Chile
- Industrial electrical testing companies based in Colombia
- Industrial electrical testing companies based in France
Cite this list
RevenueBase Data Team. Top 25 industrial electrical testing companies based in the United States. Snapshot: October 16, 2026. https://revenuebase.ai/companies/industrial-electrical-testing-companies/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
- Industrial electrical testing companies based in Sao Paulo, Brazil
- Industrial electrical testing companies based in Mumbai, India
- Industrial electrical testing companies based in Auckland, New Zealand
- Industrial electrical testing companies based in London, United Kingdom
- Industrial electrical testing companies based in Houston, United States
- Industrial electrical testing companies based in Australia
Company intelligence · public preview
Top 25 industrial electrical testing companies based in the United States
RevenueBase records 1,630 matching company records for industrial electrical testing companies based in the United States, with 21,428 tracked contacts and 7,021 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: October 16, 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 industrial electrical testing companies 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 | 1,263 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 · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Applied Technical Services, LLCatslab.com HQ: Marietta, GA, United StatesReported employees: 1,001-5,000 | Marietta, GA, United States | 1,001-5,000 | Exact match | 922 contacts → |
“Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Electric Power Systemsvoltyx.com HQ: Maryland Heights, MO, United StatesReported employees: 501-1,000 | Maryland Heights, MO, United States | 501-1,000 | Exact match | 666 contacts → |
“Electric Power Systems is an independent electrical testing & engineering organization.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Doble Engineeringdoble.com HQ: Marlborough, MA, United StatesReported employees: 501-1,000 | Marlborough, MA, United States | 501-1,000 | Exact match | 654 contacts → |
“Doble is the world’s most trusted brand in electrical diagnostics.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | FST Technical Servicesfsttechnical.com HQ: Chandler, AZ, United StatesReported employees: 201-500 | Chandler, AZ, United States | 201-500 | Exact match | 360 contacts → |
“Life Cycle Testing, Inspection, Certification & Engineering Solutions for Mission Critical Facilities Worldwide Commitment to Diversity – FST is dedicated to non-discriminatory…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Versa Integrity Group, INCacuren.com HQ: Tomball, TX, United StatesReported employees: 5,001-10,000 | Tomball, TX, United States | 5,001-10,000 | Exact match | 349 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Structural Integrity Associatesstructint.com HQ: Huntersville, NC, United StatesReported employees: 201-500 | Huntersville, NC, United States | 201-500 | Exact match | 294 contacts → |
“Structural Integrity Associates is the most-trusted provider of proven engineering services for the energy and process industries.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Electrical Reliability Services, INCers.vertiv.com HQ: Westerville, OH, United StatesReported employees: 201-500 | Westerville, OH, United States | 201-500 | Exact match | 258 contacts → |
“In business since 1971, Electrical Reliability Services, Inc.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Industrial Inspection & Analysisindustrial-ia.com HQ: Alpharetta, GA, United StatesReported employees: 501-1,000 | Alpharetta, GA, United States | 501-1,000 | Exact match | 221 contacts → |
“Industrial Inspection & Analysis® (IIA) is an emerging, high growth inspection, testing, and analytical business seeking to build a national platform in order to serve a breadth…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sdmyerssdmyers.com HQ: Tallmadge, OH, United StatesReported employees: 201-500 | Tallmadge, OH, United States | 201-500 | Exact match | 200 contacts → |
“SDMyers is the industry leader in transformer and substation maintenance and electric power system reliability.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hilscher-Clarke Electric Companyhilscher-clarke.com HQ: Canton, OH, United StatesReported employees: 201-500 | Canton, OH, United States | 201-500 | Exact match | 197 contacts → |
“Hilscher-Clarke Electric Company is a full service electrical contractor, with more than 100 years experience in the commercial, industrial, and residential markets.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | F.D. Hayes Electricfdhayes.com HQ: Lansing, United StatesReported employees: 51-200 | Lansing, United States | 51-200 | Exact match | 194 contacts → |
“Electrical; Fire Alarm; Kitchen equipment; low voltage network, voice and fiber optic cabling; AV; Sound and Security services for residential, commercial and industrial customers.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Baltimore, MD, United StatesReported employees: 201-500 | Baltimore, MD, United States | 201-500 | Exact match | 191 contacts → |
“Eurofins Electrical & Electronics North America is a leading testing and certification laboratory, providing a unique array of testing services and accreditations for regulatory…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Quality Electrical Systemsqualityelectricalsystems.com HQ: West Jordan, UT, United StatesReported employees: 501-1,000 | West Jordan, UT, United States | 501-1,000 | Exact match | 180 contacts → |
“We’re an innovative company with countless years of combined experience in the industrial electrical industry.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Techcorr Usa, LLCtechcorr.com HQ: Pasadena, TX, United StatesReported employees: 501-1,000 | Pasadena, TX, United States | 501-1,000 | Exact match | 170 contacts → |
“The TechCorr name is synonymous with safe, quality inspection services.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Verispexverispex.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 160 contacts → |
“About Us Cutting-edge technologies.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Kenmor Electric Companykenmor.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 154 contacts → |
“KenMor Electric is recognized for its service and craftsmanship.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Trialon Corporationelement.com HQ: Burton, MI, United StatesReported employees: 501-1,000 | Burton, MI, United States | 501-1,000 | Exact match | 154 contacts → |
“Trialon is now Element!” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Qualspecqualspecgroup.com HQ: Deer Park, TX, United StatesReported employees: 1,001-5,000 | Deer Park, TX, United States | 1,001-5,000 | Exact match | 150 contacts → |
“QualSpec is a leading industrial inspection firm headquartered in Houston, Texas.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Hood Patterson & Dewarhoodpd.com HQ: Norcross, GA, United StatesReported employees: 51-200 | Norcross, GA, United States | 51-200 | Exact match | 145 contacts → |
“Hood Patterson & Dewar (HP & D) is a customer-driven, employee-owned collaborative team of engineers, technicians, and service professionals, offering: • Electrical and mechanical…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Rothe Development INCrothe.com HQ: Webster, TX, United StatesReported employees: 201-500 | Webster, TX, United States | 201-500 | Exact match | 135 contacts → |
“Since 1967, Rothe has delivered precision-driven solutions in calibration & metrology, engineering, and IT services to a wide range of commercial and industrial sectors.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | White Electrical Construction Companywhite-electrical.com HQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 133 contacts → |
“White Electrical is a full service industrial electrical contractor supplying many different industries including: automotive, food/beverage, power, chemical, pulp/paper…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | J.W. Didado Electricjwdidado.com HQ: Akron, OH, United StatesReported employees: 501-1,000 | Akron, OH, United States | 501-1,000 | Exact match | 132 contacts → |
“J.W.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | CGI Coastal Gulf & Internationalcoastalgulf.com HQ: Saint Rose, LA, United StatesReported employees: 201-500 | Saint Rose, LA, United States | 201-500 | Exact match | 132 contacts → |
“Since 1978, Coastal Gulf & International, Inc.(CGI) has been a trusted leader in independent inspection, testing, and technical services for the energy, petrochemical, and marine…” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | JAN X-Ray Services, INCjanxndt.com HQ: Parma, MI, United StatesReported employees: 201-500 | Parma, MI, United States | 201-500 | Exact match | 132 contacts → |
“JANX is a leader in nondestructive testing and inspection solutions with offices throughout the USA.” Recorded description excerpt · October 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Industrial electrical testing companies: dataset insights
October 16, 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
1,618 records in the displayed employee bands.
12 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 1,630 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 16, 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 ↗
Industrial electrical testing companies by metro
Questions about this company list
What does Exact match mean for industrial electrical testing companies?
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 industrial electrical testing companies did RevenueBase find based in the United States?
The saved snapshot records 1,630 matching company records, 21,428 tracked contacts and 7,021 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: October 16, 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
Industrial electrical testing companies by geography
- Industrial electrical testing companies based in Sao Paulo, Brazil
- Industrial electrical testing companies based in Mumbai, India
- Industrial electrical testing companies based in Auckland, New Zealand
- Industrial electrical testing companies based in London, United Kingdom
- Industrial electrical testing companies based in Houston, United States
- Industrial electrical testing companies based in Australia
- Industrial electrical testing companies based in Belgium
- Industrial electrical testing companies based in Brazil
- Industrial electrical testing companies based in Canada
- Industrial electrical testing companies based in Chile
- Industrial electrical testing companies based in Colombia
- Industrial electrical testing companies based in France
Cite this list
RevenueBase Data Team. Top 25 industrial electrical testing companies based in the United States. Snapshot: October 16, 2026. https://revenuebase.ai/companies/industrial-electrical-testing-companies/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
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- Industrial electrical testing companies based in Sao Paulo, Brazil
- Industrial electrical testing companies based in Mumbai, India
- Industrial electrical testing companies based in Auckland, New Zealand
- Industrial electrical testing companies based in London, United Kingdom
- Industrial electrical testing companies based in Houston, United States
- Industrial electrical testing companies based in Australia