Company lists · Data refreshed September 2026

Top 25 Product testing laboratories based in the United States

RevenueBase identified 669 company matches for product testing laboratories associated with the United States as of September 2026 and tracks 45,273 professional contacts across them, including 18,044 with verified work emails. Houston is the largest hub.

This list covers company matches for product testing laboratories associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 20, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built
669Companies
45,273Contacts tracked
18,044Verified emails
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The 25 largest product testing laboratories based in the United States

Ranked by team size
Top 25 of 669 company matches for product testing laboratories based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchNorthbrook, IL, United StatesHQ recorded Sep 20, 202610001+12,316 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 · Sep 20, 2026 · View company records in RevenueBase
2Exact matchCranbury, NJ, United StatesHQ recorded Sep 20, 20265,001-10,0003,447 contacts →

Exact match

“The AmSpec Group has been relied upon in the testing, inspection, and certification (TIC) sector for several decades.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchAnn Arbor, MI, United StatesHQ recorded Sep 20, 20261,001-5,0002,532 contacts →

Exact match

“Founded in 1944, NSF is committed to protecting and improving human health and the environment on a global scale.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchMinneapolis, MN, United StatesHQ recorded Sep 20, 20261,001-5,0002,228 contacts →

Exact match

“Pace® Science and Technology Company makes the world a safer, healthier place.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchLancaster, PA, United StatesHQ recorded Sep 20, 20261,001-5,0001,638 contacts →

Exact match

“Eurofins Lancaster Laboratories is one of the largest commercial contract laboratories in the world providing comprehensive laboratory services in the pharmaceutical…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Sep 20, 20261,001-5,0001,262 contacts →

Exact match

“Mérieux NutriSciences is a global food safety and quality partner, offering testing, labeling, auditing, consulting, sensory, training and research services to the food &…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchMarietta, GA, United StatesHQ recorded Sep 20, 20261,001-5,000890 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 · Sep 20, 2026 · View company records in RevenueBase
8Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 20, 2026501-1,000775 contacts →

Exact match

“Nelson Labs is a global leader in microbiological and analytical chemistry testing and advisory services for the medical device and pharmaceutical industries.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchCinnaminson, NJ, United StatesHQ recorded Sep 20, 2026501-1,000719 contacts →

Exact match

“As the nation's leading environmental testing firm, EMSL's network of nationwide laboratories has been providing quality analytical services since 1981.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchBoxborough, MA, United StatesHQ recorded Sep 20, 2026501-1,000712 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 · Sep 20, 2026 · View company records in RevenueBase
11Exact matchEmeryville, CA, United StatesHQ recorded Sep 20, 2026201-500667 contacts →

Exact match

“Scientific Certification Systems, Inc, now doing business as SCS Global Services, is a trusted leader in third-party environmental, sustainability and food quality certification…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchLake Forest Park, WA, United StatesHQ recorded Sep 20, 20261,001-5,000651 contacts →

Exact match

“IEH is an international lab & consulting services company, offering a comprehensive portfolio of lab testing services and consultation across multiple industries.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchSan Diego, CA, United StatesHQ recorded Sep 20, 20261,001-5,000632 contacts →

Exact match

“When it comes to understanding the physical structure, chemical properties and performance of advanced materials and integrated circuitry, no other scientific services company…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchPittsburgh, PA, United StatesHQ recorded Sep 20, 2026501-1,000494 contacts →

Exact match

“Companies of all sizes partner with Microbac to test the quality, safety, and performance of their products and operations.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261,001-5,000492 contacts →

Exact match

“Welcome to SOCOTEC in the US, Trusted Expertise, From the Ground Up.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchSan Antonio, TX, United StatesHQ recorded Sep 20, 2026501-1,000451 contacts →

Exact match

“As part of Certified Group, Food Safety Net Services (FSNS) and Certified Laboratories partner with customers to deliver innovative scientific solutions and expertise – So The…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchHouston, United StatesHQ recorded Sep 20, 2026501-1,000442 contacts →

Exact match

“SPL is a leading provider of compliance and testing services for Environmental, Energy, and other end markets.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchSan Diego, CA, United StatesHQ recorded Sep 20, 2026501-1,000386 contacts →

Exact match

“Technical Safety Services is a leading compliance, calibration and certification service provider for laboratories, hospitals, and pharmacies with locations across the United…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchChandler, AZ, United StatesHQ recorded Sep 20, 2026201-500381 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 · Sep 20, 2026 · View company records in RevenueBase
20Exact matchMilford, OH, United StatesHQ recorded Sep 20, 2026501-1,000314 contacts →

Exact match

“Founded in 1987, ATL, A Bureau Veritas Company, is a Scientific Sourcing Solutions Company.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchAkron, OH, United StatesHQ recorded Sep 20, 2026501-1,000310 contacts →

Exact match

“Founded in 1925 and headquartered in Akron, Ohio, Smithers is a multinational provider of testing, consulting, information, and certification services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchMelville, NY, United StatesHQ recorded Sep 20, 20261,001-5,000287 contacts →

Exact match

“As part of Certified Group, Certified Laboratories 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 · Sep 20, 2026 · View company records in RevenueBase
23Exact matchOklahoma City, OK, United StatesHQ recorded Sep 20, 2026201-500286 contacts →

Exact match

“ARL Bio Pharma is a contract laboratory that provides analytical and microbiological testing for the pharmaceutical industry.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchGolden, CO, United StatesHQ recorded Sep 20, 202651-200257 contacts →

Exact match

“For more than 40 years, Waters ERA has been providing analytical laboratories and organizations that rely on laboratory data with the products and services they need to achieve…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchWestborough, MA, United StatesHQ recorded Sep 20, 2026501-1,000254 contacts →

Exact match

“Since 1987, Alpha Analytical, Inc.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 669 product testing laboratories based in the United States

See the full list, filter by size, metro and specialty, and access 18,044 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Product testing laboratories based in the United States at a glance

As of Sep 20, 2026
39.9%Verified-email coverage
67.7Average contacts per company
11-50Median size (employees)
3.4%Largest-city concentration · Houston
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
219
11-50
266
51-200
110
201-500
24
501-1,000
20
1,001-5,000
21
5,001-10,000
4
10001+
4

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 669 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 “product testing laboratories” 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 18,044 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 20, 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 “product testing laboratories”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many product testing laboratories are there based in the United States?

RevenueBase identified 669 company matches for product testing laboratories associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

UL Solutions tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most product testing laboratories?

Houston leads with 23 company records, followed by Chicago (7) and Minneapolis (7).

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 18,044 professional contacts with verified work emails tracked across these 669 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.