Company lists · Data refreshed November 2026
Top 22 Conformity testing services based in the United States
RevenueBase identified 138 company matches for conformity testing services associated with the United States as of November 2026 and tracks 43,081 professional contacts across them, including 14,794 with verified work emails. San Jose is the largest hub.
This list covers company matches for conformity testing services 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 November 6, 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 22 largest conformity testing services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 13,154 contacts → | ||||
Exact match “A global leader in applied safety science, UL Solutions (NYSE: ULS) transforms safety, security and sustainability challenges into opportunities for customers in more than 110…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 763 contacts → | ||||
Exact match “TÜV Rheinland is a world leader in testing, inspection and certification services for a wide variety of industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 494 contacts → | ||||
Exact match “Hohenstein Group Hohenstein is a family-owned company with more than 80 years of experience in testing, certification and research.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 241 contacts → | ||||
Exact match “Certified Group partners with customers to deliver innovative scientific solutions and expertise – So The World Can Trust In What It Consumes®.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 238 contacts → | ||||
Exact match “MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 195 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 195 contacts → | ||||
Exact match “The ANSI National Accreditation Board plays an important role in ensuring the safety and quality of goods and services and in protecting the environment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 122 contacts → | ||||
Exact match “AEIS, LLC is a testing, inspection, and certification (TIC) agency that increases quality and safety outcomes for major infrastructure.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 95 contacts → | ||||
Exact match “WESTPAK, Inc, a leading 3rd-party independent testing laboratory, provides trusted solutions for the medical device, pharmaceutical, and high-tech industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 50 contacts → | ||||
Exact match “PES is an independent testing laboratory, specializing in mechanical, metallurgical, chemical and nondestructive testing and analysis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 49 contacts → | ||||
Exact match “Since 1996, Bay Area Compliance Laboratories Corp.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 45 contacts → | ||||
Exact match “F2 Labs is an accredited, full service product conformity assessment organization founded in 1991.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 42 contacts → | ||||
Exact match “Drummond is a leading and trusted compliance, conformance, and standards certification, testing, and validation services provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 40 contacts → | ||||
Exact match “We established Acumen to change how product certifications are performed.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 35 contacts → | ||||
Exact match “Applus Keystone+ specializes in streamlining the burden of regulatory compliance testing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 35 contacts → | ||||
Exact match “ORBIS Compliance LLC is a strong Strategic and Operational Partner for Manufacturers around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 31 contacts → | ||||
Exact match “Starting in January of 2022, PTI becomes a part of the Nemko Group.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 29 contacts → | ||||
Exact match “A GCS Certificadora Brasil é uma empresa do Grupo GCS Certification® que atua no universo das certificações internacionais e possui autonomia para desenvolvimento e atuação em…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 27 contacts → | ||||
Exact match “Wireless Certification | Global Compliance | Precision Calibration Supporting Your Product Journey from Testing to Market Entry At HCT America, we provide dependable services in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 20 contacts → | ||||
Exact match “As an independent, accredited, third-party test laboratory, Molimo is dedicated to providing clients with a high quality testing experience, complete with the fast and accurate…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 19 contacts → | ||||
Exact match “From Compliance Testing to Problem-solving to Approvals.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 18 contacts → | ||||
Exact match “At Timco Engineering we provide the following services: Product Safety Testing, R & TTE, EMC and LV Directives testing for your Manufacturers Declaration of Conformity (CE)…” Recorded in the RevenueBase company graph · Nov 6, 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 “conformity testing services”. 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 22 of 138 conformity testing services based in the United States
See the full list, filter by size, metro and specialty, and access 14,794 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Conformity testing services based in the United States at a glance
As of Nov 6, 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 138 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 “conformity testing services” 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 14,794 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “conformity testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many conformity testing services are there based in the United States?
RevenueBase identified 138 company matches for conformity testing services associated with the United States as of November 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?
UL Solutions tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most conformity testing services?
San Jose leads with 5 company records, followed by Durham (4) and Houston (4).
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 14,794 professional contacts with verified work emails tracked across these 138 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 138 conformity testing services based in the United States. Start with a free account, no credit card.
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Conformity testing services by geography
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- Conformity testing services based in France
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- Conformity testing services based in India
- Conformity testing services based in Italy
- Conformity testing services based in Mexico
- Conformity testing services based in Türkiye
- Conformity testing services based in the United Kingdom
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
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- Lists A-Z
- New lists
- Conformity testing services based in Brazil
- Conformity testing services based in China
- Conformity testing services based in France
- Conformity testing services based in Germany
- Conformity testing services based in India
- Conformity testing services based in Italy
Company intelligence · public preview
Top 22 conformity testing services 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 138 matching company records for conformity testing services based in the United States, with 43,081 tracked contacts and 14,794 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 22 conformity testing services 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 |  UL Solutionsul.comHQ: Northbrook, NC, United StatesReported employees: 10001+ | Northbrook, NC, United States | 10001+ | Exact match | 13,154 contacts → |
“A global leader in applied safety science, UL Solutions (NYSE: ULS) transforms safety, security and sustainability challenges into opportunities for customers in more than 110…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  TÜV Rheinland North Americatuv.comHQ: Boxborough, CA, United StatesReported employees: 501-1,000 | Boxborough, CA, United States | 501-1,000 | Exact match | 763 contacts → |
“TÜV Rheinland is a world leader in testing, inspection and certification services for a wide variety of industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Hohenstein Grouphohenstein.comHQ: Bönnigheim, IN, United StatesReported employees: 1,001-5,000 | Bönnigheim, IN, United States | 1,001-5,000 | Exact match | 494 contacts → |
“Hohenstein Group Hohenstein is a family-owned company with more than 80 years of experience in testing, certification and research.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Certified Groupcertifiedgroup.comHQ: Melville, NY, United StatesReported employees: 1,001-5,000 | Melville, NY, United States | 1,001-5,000 | Exact match | 241 contacts → |
“Certified Group partners with customers to deliver innovative scientific solutions and expertise – So The World Can Trust In What It Consumes®.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  MGA Research Corporationmgaresearch.comHQ: Akron, VA, United StatesReported employees: 201-500 | Akron, VA, United States | 201-500 | Exact match | 238 contacts → |
“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Baltimore, TX, United StatesReported employees: 201-500 | Baltimore, TX, United States | 201-500 | Exact match | 195 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  ANABanab.orgHQ: Washington, IN, United StatesReported employees: 51-200 | Washington, IN, United States | 51-200 | Exact match | 195 contacts → |
“The ANSI National Accreditation Board plays an important role in ensuring the safety and quality of goods and services and in protecting the environment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Aeis LLCaeis.comHQ: South Plainfield, NJ, United StatesReported employees: 201-500 | South Plainfield, NJ, United States | 201-500 | Exact match | 122 contacts → |
“AEIS, LLC is a testing, inspection, and certification (TIC) agency that increases quality and safety outcomes for major infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Westpak, INCwestpak.comHQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 95 contacts → |
“WESTPAK, Inc, a leading 3rd-party independent testing laboratory, provides trusted solutions for the medical device, pharmaceutical, and high-tech industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Product Evaluation Systems, LLCpes-testing.comHQ: Latrobe, PA, United StatesReported employees: 51-200 | Latrobe, PA, United States | 51-200 | Exact match | 50 contacts → |
“PES is an independent testing laboratory, specializing in mechanical, metallurgical, chemical and nondestructive testing and analysis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  BAY Area Compliance Laboratories, Corpbaclcorp.comHQ: Sunnyvale, CA, United StatesReported employees: 11-50 | Sunnyvale, CA, United States | 11-50 | Exact match | 49 contacts → |
“Since 1996, Bay Area Compliance Laboratories Corp.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  F2 Labsf2labs.comHQ: Damascus, OH, United StatesReported employees: 11-50 | Damascus, OH, United States | 11-50 | Exact match | 45 contacts → |
“F2 Labs is an accredited, full service product conformity assessment organization founded in 1991.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Drummond Group, LLCdrummondgroup.comHQ: Durham, NC, United StatesReported employees: 11-50 | Durham, NC, United States | 11-50 | Exact match | 42 contacts → |
“Drummond is a leading and trusted compliance, conformance, and standards certification, testing, and validation services provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Intertek Acumen Securityacumensecurity.netHQ: Rockville, MD, United StatesReported employees: 51-200 | Rockville, MD, United States | 51-200 | Exact match | 40 contacts → |
“We established Acumen to change how product certifications are performed.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Applus Keystonekeystonecompliance.comHQ: New Castle, NC, United StatesReported employees: 11-50 | New Castle, NC, United States | 11-50 | Exact match | 35 contacts → |
“Applus Keystone+ specializes in streamlining the burden of regulatory compliance testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Orbis Compliance LLCorbiscompliance.comHQ: Morgan Hill, CA, United StatesReported employees: 51-200 | Morgan Hill, CA, United States | 51-200 | Exact match | 35 contacts → |
“ORBIS Compliance LLC is a strong Strategic and Operational Partner for Manufacturers around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Nemko USA - Austinnemko.comHQ: Round Rock, TX, United StatesReported employees: 11-50 | Round Rock, TX, United States | 11-50 | Exact match | 31 contacts → |
“Starting in January of 2022, PTI becomes a part of the Nemko Group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  GCS Certificationgcscertification.comHQ: Salt Lake City, United StatesReported employees: 51-200 | Salt Lake City, United States | 51-200 | Exact match | 29 contacts → |
“A GCS Certificadora Brasil é uma empresa do Grupo GCS Certification® que atua no universo das certificações internacionais e possui autonomia para desenvolvimento e atuação em…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  HCT Americahctamerica.comHQ: Milpitas, CA, United StatesReported employees: 11-50 | Milpitas, CA, United States | 11-50 | Exact match | 27 contacts → |
“Wireless Certification | Global Compliance | Precision Calibration Supporting Your Product Journey from Testing to Market Entry At HCT America, we provide dependable services in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Molimo, LLCmolimo.comHQ: York, MN, United StatesReported employees: 51-200 | York, MN, United States | 51-200 | Exact match | 20 contacts → |
“As an independent, accredited, third-party test laboratory, Molimo is dedicated to providing clients with a high quality testing experience, complete with the fast and accurate…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Washington Laboratories, LTDwll.comHQ: Frederick, MD, United StatesReported employees: 11-50 | Frederick, MD, United States | 11-50 | Exact match | 19 contacts → |
“From Compliance Testing to Problem-solving to Approvals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Timco Engineering INCtimcoengr.comHQ: Newberry, United StatesReported employees: 51-200 | Newberry, United States | 51-200 | Exact match | 18 contacts → |
“At Timco Engineering we provide the following services: Product Safety Testing, R & TTE, EMC and LV Directives testing for your Manufacturers Declaration of Conformity (CE)…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 138 company matches
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Conformity testing services: dataset insights
November 6, 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
138 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 138 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: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for conformity testing services?
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 conformity testing services did RevenueBase find based in the United States?
The saved snapshot records 138 matching company records, 43,081 tracked contacts and 14,794 verified emails. The public preview displays 22 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: November 6, 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
Conformity testing services by geography
- Conformity testing services based in Brazil
- Conformity testing services based in China
- Conformity testing services based in France
- Conformity testing services based in Germany
- Conformity testing services based in India
- Conformity testing services based in Italy
- Conformity testing services based in Mexico
- Conformity testing services based in Türkiye
- Conformity testing services based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 22 conformity testing services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/conformity-testing-services/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
- Conformity testing services based in Brazil
- Conformity testing services based in China
- Conformity testing services based in France
- Conformity testing services based in Germany
- Conformity testing services based in India
- Conformity testing services based in Italy
Company intelligence · public preview
Top 22 conformity testing services based in the United States
RevenueBase records 138 matching company records for conformity testing services based in the United States, with 43,081 tracked contacts and 14,794 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 22 conformity testing services 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 | UL Solutionsul.com HQ: Northbrook, NC, United StatesReported employees: 10001+ | Northbrook, NC, United States | 10001+ | Exact match | 13,154 contacts → |
“A global leader in applied safety science, UL Solutions (NYSE: ULS) transforms safety, security and sustainability challenges into opportunities for customers in more than 110…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | TÜV Rheinland North Americatuv.com HQ: Boxborough, CA, United StatesReported employees: 501-1,000 | Boxborough, CA, United States | 501-1,000 | Exact match | 763 contacts → |
“TÜV Rheinland is a world leader in testing, inspection and certification services for a wide variety of industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Hohenstein Grouphohenstein.com HQ: Bönnigheim, IN, United StatesReported employees: 1,001-5,000 | Bönnigheim, IN, United States | 1,001-5,000 | Exact match | 494 contacts → |
“Hohenstein Group Hohenstein is a family-owned company with more than 80 years of experience in testing, certification and research.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Certified Groupcertifiedgroup.com HQ: Melville, NY, United StatesReported employees: 1,001-5,000 | Melville, NY, United States | 1,001-5,000 | Exact match | 241 contacts → |
“Certified Group partners with customers to deliver innovative scientific solutions and expertise – So The World Can Trust In What It Consumes®.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | MGA Research Corporationmgaresearch.com HQ: Akron, VA, United StatesReported employees: 201-500 | Akron, VA, United States | 201-500 | Exact match | 238 contacts → |
“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Baltimore, TX, United StatesReported employees: 201-500 | Baltimore, TX, United States | 201-500 | Exact match | 195 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | ANABanab.org HQ: Washington, IN, United StatesReported employees: 51-200 | Washington, IN, United States | 51-200 | Exact match | 195 contacts → |
“The ANSI National Accreditation Board plays an important role in ensuring the safety and quality of goods and services and in protecting the environment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Aeis LLCaeis.com HQ: South Plainfield, NJ, United StatesReported employees: 201-500 | South Plainfield, NJ, United States | 201-500 | Exact match | 122 contacts → |
“AEIS, LLC is a testing, inspection, and certification (TIC) agency that increases quality and safety outcomes for major infrastructure.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Westpak, INCwestpak.com HQ: San Jose, CA, United StatesReported employees: 51-200 | San Jose, CA, United States | 51-200 | Exact match | 95 contacts → |
“WESTPAK, Inc, a leading 3rd-party independent testing laboratory, provides trusted solutions for the medical device, pharmaceutical, and high-tech industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Product Evaluation Systems, LLCpes-testing.com HQ: Latrobe, PA, United StatesReported employees: 51-200 | Latrobe, PA, United States | 51-200 | Exact match | 50 contacts → |
“PES is an independent testing laboratory, specializing in mechanical, metallurgical, chemical and nondestructive testing and analysis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | BAY Area Compliance Laboratories, Corpbaclcorp.com HQ: Sunnyvale, CA, United StatesReported employees: 11-50 | Sunnyvale, CA, United States | 11-50 | Exact match | 49 contacts → |
“Since 1996, Bay Area Compliance Laboratories Corp.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | F2 Labsf2labs.com HQ: Damascus, OH, United StatesReported employees: 11-50 | Damascus, OH, United States | 11-50 | Exact match | 45 contacts → |
“F2 Labs is an accredited, full service product conformity assessment organization founded in 1991.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Drummond Group, LLCdrummondgroup.com HQ: Durham, NC, United StatesReported employees: 11-50 | Durham, NC, United States | 11-50 | Exact match | 42 contacts → |
“Drummond is a leading and trusted compliance, conformance, and standards certification, testing, and validation services provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Intertek Acumen Securityacumensecurity.net HQ: Rockville, MD, United StatesReported employees: 51-200 | Rockville, MD, United States | 51-200 | Exact match | 40 contacts → |
“We established Acumen to change how product certifications are performed.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Applus Keystonekeystonecompliance.com HQ: New Castle, NC, United StatesReported employees: 11-50 | New Castle, NC, United States | 11-50 | Exact match | 35 contacts → |
“Applus Keystone+ specializes in streamlining the burden of regulatory compliance testing.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Orbis Compliance LLCorbiscompliance.com HQ: Morgan Hill, CA, United StatesReported employees: 51-200 | Morgan Hill, CA, United States | 51-200 | Exact match | 35 contacts → |
“ORBIS Compliance LLC is a strong Strategic and Operational Partner for Manufacturers around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Nemko USA - Austinnemko.com HQ: Round Rock, TX, United StatesReported employees: 11-50 | Round Rock, TX, United States | 11-50 | Exact match | 31 contacts → |
“Starting in January of 2022, PTI becomes a part of the Nemko Group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | GCS Certificationgcscertification.com HQ: Salt Lake City, United StatesReported employees: 51-200 | Salt Lake City, United States | 51-200 | Exact match | 29 contacts → |
“A GCS Certificadora Brasil é uma empresa do Grupo GCS Certification® que atua no universo das certificações internacionais e possui autonomia para desenvolvimento e atuação em…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HCT Americahctamerica.com HQ: Milpitas, CA, United StatesReported employees: 11-50 | Milpitas, CA, United States | 11-50 | Exact match | 27 contacts → |
“Wireless Certification | Global Compliance | Precision Calibration Supporting Your Product Journey from Testing to Market Entry At HCT America, we provide dependable services in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Molimo, LLCmolimo.com HQ: York, MN, United StatesReported employees: 51-200 | York, MN, United States | 51-200 | Exact match | 20 contacts → |
“As an independent, accredited, third-party test laboratory, Molimo is dedicated to providing clients with a high quality testing experience, complete with the fast and accurate…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Washington Laboratories, LTDwll.com HQ: Frederick, MD, United StatesReported employees: 11-50 | Frederick, MD, United States | 11-50 | Exact match | 19 contacts → |
“From Compliance Testing to Problem-solving to Approvals.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Timco Engineering INCtimcoengr.com HQ: Newberry, United StatesReported employees: 51-200 | Newberry, United States | 51-200 | Exact match | 18 contacts → |
“At Timco Engineering we provide the following services: Product Safety Testing, R & TTE, EMC and LV Directives testing for your Manufacturers Declaration of Conformity (CE)…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 22 of 138 company matches
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Conformity testing services: dataset insights
November 6, 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
138 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 138 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: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for conformity testing services?
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 conformity testing services did RevenueBase find based in the United States?
The saved snapshot records 138 matching company records, 43,081 tracked contacts and 14,794 verified emails. The public preview displays 22 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: November 6, 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.
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Cite this list
RevenueBase Data Team. Top 22 conformity testing services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/conformity-testing-services/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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