Company lists · Data refreshed November 2026
Top 25 Contract testing laboratories based in the United States
RevenueBase identified 995 company matches for contract testing laboratories associated with the United States as of November 2026 and tracks 56,261 professional contacts across them, including 19,147 with verified work emails. Houston is the largest hub.
This list covers company matches for contract 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 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 25 largest contract testing laboratories based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,737 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,676 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 961 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 766 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 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 | |||||
| 6 | 738 contacts → | ||||
Exact match “Founded in 1990, Aegis Sciences Corporation is a forensic toxicology and healthcare laboratory that provides science-driven drug testing and consulting services based in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 683 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 613 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 500 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 490 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 458 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 332 contacts → | ||||
Exact match “Founded in 1987, ATL, A Bureau Veritas Company, is a Scientific Sourcing Solutions Company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 331 contacts → | ||||
Exact match “For over 25 years, Dominion Diagnostics has been advancing patient care through trusted diagnostics as a premier urine drug testing and toxicology laboratory.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 326 contacts → | ||||
Exact match “Watch our video on the history and culture of Pace at https://goo.gl/L3ruD3 or get a more detailed look through our company brochure at https://goo.gl/feMDwU!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 313 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 308 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 259 contacts → | ||||
Exact match “Precision Diagnostics is the only U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 259 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 255 contacts → | ||||
Exact match “Deibel Laboratories started in 1967 by Dr.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 252 contacts → | ||||
Exact match “ABC Laboratories is now part of EAG Laboratories, a global scientific services company serving clients across a vast array of technology-related industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 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 | |||||
| 22 | 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 | |||||
| 23 | 224 contacts → | ||||
Exact match “MEDTOX Laboratories contains a full-service clinical laboratory as well as a SAMHSA-certified drug testing laboratory.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 221 contacts → | ||||
Exact match “Donan, part of the Alpine Intel suite of services, answers the challenging questions about property loss and product failures.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 219 contacts → | ||||
Exact match “Our laboratory service experts provide clients with precision testing support, innovative scientific approaches, and high-quality data that delivers a sense of certainty.” 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 “contract testing laboratories”. 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 995 contract testing laboratories based in the United States
See the full list, filter by size, metro and specialty, and access 19,147 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Contract testing laboratories 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 995 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 “contract 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 19,147 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 “contract testing laboratories”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many contract testing laboratories are there based in the United States?
RevenueBase identified 995 company matches for contract testing laboratories 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?
Amspec Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most contract testing laboratories?
Houston leads with 21 company records, followed by San Diego (13) and Portland (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 19,147 professional contacts with verified work emails tracked across these 995 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 995 contract testing laboratories based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Contract testing laboratories by geography
- Contract testing laboratories based in Sao Paulo, Brazil
- Contract testing laboratories based in Hyderabad, India
- Contract testing laboratories based in Argentina
- Contract testing laboratories based in Australia
- Contract testing laboratories based in Belgium
- Contract testing laboratories based in Brazil
- Contract testing laboratories based in Canada
- Contract testing laboratories based in Chile
- Contract testing laboratories based in China
- Contract testing laboratories based in Colombia
- Contract testing laboratories based in France
- Contract testing laboratories based in Germany
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
- Contract testing laboratories based in Sao Paulo, Brazil
- Contract testing laboratories based in Hyderabad, India
- Contract testing laboratories based in Argentina
- Contract testing laboratories based in Australia
- Contract testing laboratories based in Belgium
- Contract testing laboratories based in Brazil
Company intelligence · public preview
Top 25 contract testing laboratories 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 995 matching company records for contract testing laboratories based in the United States, with 56,261 tracked contacts and 19,147 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: 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 25 contract testing laboratories 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 |  Amspec Groupamspecgroup.comHQ: Cranbury, NJ, United StatesReported employees: 5,001-10,000 | Cranbury, NJ, United States | 5,001-10,000 | Exact match | 3,737 contacts → |
“The AmSpec Group has been relied upon in the testing, inspection, and certification (TIC) sector for several decades.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Eurofins Lancaster Laboratorieseurofinsus.comHQ: Lancaster, PA, United StatesReported employees: 1,001-5,000 | Lancaster, PA, United States | 1,001-5,000 | Exact match | 1,676 contacts → |
“Eurofins Lancaster Laboratories is one of the largest commercial contract laboratories in the world providing comprehensive laboratory services in the pharmaceutical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Applied Technical Services, LLCatslab.comHQ: Marietta, GA, United StatesReported employees: 1,001-5,000 | Marietta, GA, United States | 1,001-5,000 | Exact match | 961 contacts → |
“Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Emsl Analytical, INCemsl.comHQ: Cinnaminson, NJ, United StatesReported employees: 501-1,000 | Cinnaminson, NJ, United States | 501-1,000 | Exact match | 766 contacts → |
“As the nation's leading environmental testing firm, EMSL's network of nationwide laboratories has been providing quality analytical services since 1981.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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. | |||||
| 6 |  Aegis Sciences Corporationaegislabs.comHQ: Nashville, TN, United StatesReported employees: 501-1,000 | Nashville, TN, United States | 501-1,000 | Exact match | 738 contacts → |
“Founded in 1990, Aegis Sciences Corporation is a forensic toxicology and healthcare laboratory that provides science-driven drug testing and consulting services based in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  IEH Laboratories And Consulting Groupiehinc.comHQ: Lake Forest Park, GA, United StatesReported employees: 1,001-5,000 | Lake Forest Park, GA, United States | 1,001-5,000 | Exact match | 683 contacts → |
“IEH is an international lab & consulting services company, offering a comprehensive portfolio of lab testing services and consultation across multiple industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Eurofins EAG Laboratorieseag.comHQ: San Diego, NY, United StatesReported employees: 1,001-5,000 | San Diego, NY, United States | 1,001-5,000 | Exact match | 613 contacts → |
“When it comes to understanding the physical structure, chemical properties and performance of advanced materials and integrated circuitry, no other scientific services company…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Microbac Laboratories, INCmicrobac.comHQ: Pittsburgh, OH, United StatesReported employees: 501-1,000 | Pittsburgh, OH, United States | 501-1,000 | Exact match | 500 contacts → |
“Companies of all sizes partner with Microbac to test the quality, safety, and performance of their products and operations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  SPLspllabs.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 490 contacts → |
“SPL is a leading provider of compliance and testing services for Environmental, Energy, and other end markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Food Safety NET Servicesfsns.comHQ: San Antonio, OH, United StatesReported employees: 501-1,000 | San Antonio, OH, United States | 501-1,000 | Exact match | 458 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Atl, A Bureau Veritas Companyatlscience.comHQ: Milford, OH, United StatesReported employees: 501-1,000 | Milford, OH, United States | 501-1,000 | Exact match | 332 contacts → |
“Founded in 1987, ATL, A Bureau Veritas Company, is a Scientific Sourcing Solutions Company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Dominion Diagnosticsdomdiag.comHQ: North Kingstown, RI, United StatesReported employees: 201-500 | North Kingstown, RI, United States | 201-500 | Exact match | 331 contacts → |
“For over 25 years, Dominion Diagnostics has been advancing patient care through trusted diagnostics as a premier urine drug testing and toxicology laboratory.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Pace Analyticalpacelabs.comHQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 326 contacts → |
“Watch our video on the history and culture of Pace at https://goo.gl/L3ruD3 or get a more detailed look through our company brochure at https://goo.gl/feMDwU!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  ARL BIO Pharmaarlok.comHQ: Oklahoma City, OK, United StatesReported employees: 201-500 | Oklahoma City, OK, United States | 201-500 | Exact match | 313 contacts → |
“ARL Bio Pharma is a contract laboratory that provides analytical and microbiological testing for the pharmaceutical industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Certified Laboratories, INCcertified-laboratories.comHQ: Melville, IL, United StatesReported employees: 1,001-5,000 | Melville, IL, United States | 1,001-5,000 | Exact match | 308 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Precision Diagnosticsprecisiondxlab.comHQ: San Diego, CA, United StatesReported employees: 501-1,000 | San Diego, CA, United States | 501-1,000 | Exact match | 259 contacts → |
“Precision Diagnostics is the only U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Waters ERAeraqc.comHQ: Golden, CO, United StatesReported employees: 51-200 | Golden, CO, United States | 51-200 | Exact match | 259 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Deibel Laboratoriesdeibellabs.comHQ: Niles, WI, United StatesReported employees: 201-500 | Niles, WI, United States | 201-500 | Exact match | 255 contacts → |
“Deibel Laboratories started in 1967 by Dr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  ABC Laboratoriesabclabs.comHQ: Columbia, MO, United StatesReported employees: 1,001-5,000 | Columbia, MO, United States | 1,001-5,000 | Exact match | 252 contacts → |
“ABC Laboratories is now part of EAG Laboratories, a global scientific services company serving clients across a vast array of technology-related industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  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. | |||||
| 22 |  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. | |||||
| 23 |  Medtox Laboratoriesmedtox.comHQ: New Brighton, MN, United StatesReported employees: 501-1,000 | New Brighton, MN, United States | 501-1,000 | Exact match | 224 contacts → |
“MEDTOX Laboratories contains a full-service clinical laboratory as well as a SAMHSA-certified drug testing laboratory.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  DONANdonan.comHQ: Charlotte, KY, United StatesReported employees: 201-500 | Charlotte, KY, United States | 201-500 | Exact match | 221 contacts → |
“Donan, part of the Alpine Intel suite of services, answers the challenging questions about property loss and product failures.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Enthalpy Analyticalonterris.comHQ: North Little Rock, NC, United StatesReported employees: 501-1,000 | North Little Rock, NC, United States | 501-1,000 | Exact match | 219 contacts → |
“Our laboratory service experts provide clients with precision testing support, innovative scientific approaches, and high-quality data that delivers a sense of certainty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 995 company matches
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Contract testing laboratories: 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
993 records in the displayed employee bands.
2 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 995 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 contract testing laboratories?
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 contract testing laboratories did RevenueBase find based in the United States?
The saved snapshot records 995 matching company records, 56,261 tracked contacts and 19,147 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: 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
Contract testing laboratories by geography
- Contract testing laboratories based in Sao Paulo, Brazil
- Contract testing laboratories based in Hyderabad, India
- Contract testing laboratories based in Argentina
- Contract testing laboratories based in Australia
- Contract testing laboratories based in Belgium
- Contract testing laboratories based in Brazil
- Contract testing laboratories based in Canada
- Contract testing laboratories based in Chile
- Contract testing laboratories based in China
- Contract testing laboratories based in Colombia
- Contract testing laboratories based in France
- Contract testing laboratories based in Germany
Cite this list
RevenueBase Data Team. Top 25 contract testing laboratories based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/contract-testing-laboratories/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
- Contract testing laboratories based in Sao Paulo, Brazil
- Contract testing laboratories based in Hyderabad, India
- Contract testing laboratories based in Argentina
- Contract testing laboratories based in Australia
- Contract testing laboratories based in Belgium
- Contract testing laboratories based in Brazil
Company intelligence · public preview
Top 25 contract testing laboratories based in the United States
RevenueBase records 995 matching company records for contract testing laboratories based in the United States, with 56,261 tracked contacts and 19,147 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: 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 25 contract testing laboratories 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 | Amspec Groupamspecgroup.com HQ: Cranbury, NJ, United StatesReported employees: 5,001-10,000 | Cranbury, NJ, United States | 5,001-10,000 | Exact match | 3,737 contacts → |
“The AmSpec Group has been relied upon in the testing, inspection, and certification (TIC) sector for several decades.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Eurofins Lancaster Laboratorieseurofinsus.com HQ: Lancaster, PA, United StatesReported employees: 1,001-5,000 | Lancaster, PA, United States | 1,001-5,000 | Exact match | 1,676 contacts → |
“Eurofins Lancaster Laboratories is one of the largest commercial contract laboratories in the world providing comprehensive laboratory services in the pharmaceutical…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 | 961 contacts → |
“Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Emsl Analytical, INCemsl.com HQ: Cinnaminson, NJ, United StatesReported employees: 501-1,000 | Cinnaminson, NJ, United States | 501-1,000 | Exact match | 766 contacts → |
“As the nation's leading environmental testing firm, EMSL's network of nationwide laboratories has been providing quality analytical services since 1981.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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. | |||||
| 6 | Aegis Sciences Corporationaegislabs.com HQ: Nashville, TN, United StatesReported employees: 501-1,000 | Nashville, TN, United States | 501-1,000 | Exact match | 738 contacts → |
“Founded in 1990, Aegis Sciences Corporation is a forensic toxicology and healthcare laboratory that provides science-driven drug testing and consulting services based in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | IEH Laboratories And Consulting Groupiehinc.com HQ: Lake Forest Park, GA, United StatesReported employees: 1,001-5,000 | Lake Forest Park, GA, United States | 1,001-5,000 | Exact match | 683 contacts → |
“IEH is an international lab & consulting services company, offering a comprehensive portfolio of lab testing services and consultation across multiple industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Eurofins EAG Laboratorieseag.com HQ: San Diego, NY, United StatesReported employees: 1,001-5,000 | San Diego, NY, United States | 1,001-5,000 | Exact match | 613 contacts → |
“When it comes to understanding the physical structure, chemical properties and performance of advanced materials and integrated circuitry, no other scientific services company…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Microbac Laboratories, INCmicrobac.com HQ: Pittsburgh, OH, United StatesReported employees: 501-1,000 | Pittsburgh, OH, United States | 501-1,000 | Exact match | 500 contacts → |
“Companies of all sizes partner with Microbac to test the quality, safety, and performance of their products and operations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | SPLspllabs.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 490 contacts → |
“SPL is a leading provider of compliance and testing services for Environmental, Energy, and other end markets.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Food Safety NET Servicesfsns.com HQ: San Antonio, OH, United StatesReported employees: 501-1,000 | San Antonio, OH, United States | 501-1,000 | Exact match | 458 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Atl, A Bureau Veritas Companyatlscience.com HQ: Milford, OH, United StatesReported employees: 501-1,000 | Milford, OH, United States | 501-1,000 | Exact match | 332 contacts → |
“Founded in 1987, ATL, A Bureau Veritas Company, is a Scientific Sourcing Solutions Company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Dominion Diagnosticsdomdiag.com HQ: North Kingstown, RI, United StatesReported employees: 201-500 | North Kingstown, RI, United States | 201-500 | Exact match | 331 contacts → |
“For over 25 years, Dominion Diagnostics has been advancing patient care through trusted diagnostics as a premier urine drug testing and toxicology laboratory.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Pace Analyticalpacelabs.com HQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 326 contacts → |
“Watch our video on the history and culture of Pace at https://goo.gl/L3ruD3 or get a more detailed look through our company brochure at https://goo.gl/feMDwU!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ARL BIO Pharmaarlok.com HQ: Oklahoma City, OK, United StatesReported employees: 201-500 | Oklahoma City, OK, United States | 201-500 | Exact match | 313 contacts → |
“ARL Bio Pharma is a contract laboratory that provides analytical and microbiological testing for the pharmaceutical industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Certified Laboratories, INCcertified-laboratories.com HQ: Melville, IL, United StatesReported employees: 1,001-5,000 | Melville, IL, United States | 1,001-5,000 | Exact match | 308 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Precision Diagnosticsprecisiondxlab.com HQ: San Diego, CA, United StatesReported employees: 501-1,000 | San Diego, CA, United States | 501-1,000 | Exact match | 259 contacts → |
“Precision Diagnostics is the only U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Waters ERAeraqc.com HQ: Golden, CO, United StatesReported employees: 51-200 | Golden, CO, United States | 51-200 | Exact match | 259 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Deibel Laboratoriesdeibellabs.com HQ: Niles, WI, United StatesReported employees: 201-500 | Niles, WI, United States | 201-500 | Exact match | 255 contacts → |
“Deibel Laboratories started in 1967 by Dr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | ABC Laboratoriesabclabs.com HQ: Columbia, MO, United StatesReported employees: 1,001-5,000 | Columbia, MO, United States | 1,001-5,000 | Exact match | 252 contacts → |
“ABC Laboratories is now part of EAG Laboratories, a global scientific services company serving clients across a vast array of technology-related industries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 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. | |||||
| 22 | 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. | |||||
| 23 | Medtox Laboratoriesmedtox.com HQ: New Brighton, MN, United StatesReported employees: 501-1,000 | New Brighton, MN, United States | 501-1,000 | Exact match | 224 contacts → |
“MEDTOX Laboratories contains a full-service clinical laboratory as well as a SAMHSA-certified drug testing laboratory.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | DONANdonan.com HQ: Charlotte, KY, United StatesReported employees: 201-500 | Charlotte, KY, United States | 201-500 | Exact match | 221 contacts → |
“Donan, part of the Alpine Intel suite of services, answers the challenging questions about property loss and product failures.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Enthalpy Analyticalonterris.com HQ: North Little Rock, NC, United StatesReported employees: 501-1,000 | North Little Rock, NC, United States | 501-1,000 | Exact match | 219 contacts → |
“Our laboratory service experts provide clients with precision testing support, innovative scientific approaches, and high-quality data that delivers a sense of certainty.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 995 company matches
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Contract testing laboratories: 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
993 records in the displayed employee bands.
2 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 995 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 contract testing laboratories?
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 contract testing laboratories did RevenueBase find based in the United States?
The saved snapshot records 995 matching company records, 56,261 tracked contacts and 19,147 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: 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 25 contract testing laboratories based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/contract-testing-laboratories/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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