Company lists · Data refreshed November 2026
Top 25 Oil and gas testing laboratories based in the United States
RevenueBase identified 802 company matches for oil and gas testing laboratories associated with the United States as of November 2026 and tracks 24,667 professional contacts across them, including 8,874 with verified work emails. Houston is the largest hub.
This list covers company matches for oil and gas 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 4, 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 oil and gas 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 4, 2026 · View company records in RevenueBase | |||||
| 2 | 2,334 contacts → | ||||
Exact match “Pace® Science and Technology Company makes the world a safer, healthier place.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 3 | 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 4, 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 4, 2026 · View company records in RevenueBase | |||||
| 5 | 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 4, 2026 · View company records in RevenueBase | |||||
| 6 | 472 contacts → | ||||
Exact match “Jacam Catalyst offers a full range of oilfield chemical manufacturing, blending, formulating, analysis, and R&D capabilities.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 7 | 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 4, 2026 · View company records in RevenueBase | |||||
| 8 | 384 contacts → | ||||
Exact match “Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 9 | 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 4, 2026 · View company records in RevenueBase | |||||
| 10 | 255 contacts → | ||||
Exact match “Deibel Laboratories started in 1967 by Dr.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 11 | 243 contacts → | ||||
Exact match “Since 1987, Alpha Analytical, Inc.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 12 | 241 contacts → | ||||
Exact match “Tanknology is the world's largest provider of tank testing and environmental compliance services for petroleum systems.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 13 | 231 contacts → | ||||
Exact match “The Viswa Group was established in 1991 and we are currently serving over 600 customers and ships a year.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 14 | 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 4, 2026 · View company records in RevenueBase | |||||
| 15 | 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 4, 2026 · View company records in RevenueBase | |||||
| 16 | 211 contacts → | ||||
Exact match “RJ Lee Group provides comprehensive laboratory testing and scientific consulting services.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 17 | 200 contacts → | ||||
Exact match “Driving smart decisions has been our passion since 1975, and we continue to do this by recruiting talented individuals in the fields of Chemistry, Biochemistry, Biology…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 18 | 200 contacts → | ||||
Exact match “PK Technical & Inspection is an advanced non-destructive testing and inspection company.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 19 | 195 contacts → | ||||
Exact match “Since 1981, GEL Laboratories has been a leading provider of comprehensive and reliable analytical services to the environmental industry including chemical, radiochemical…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 20 | 179 contacts → | ||||
Exact match “Advanced Environmental Laboratories, Inc.(AEL) is a NELAP/TNI and DOD certified, national full-service laboratory firm, headquartered in Jacksonville, Florida, with additional…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 21 | 179 contacts → | ||||
Exact match “The TechCorr name is synonymous with safe, quality inspection services.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 22 | 166 contacts → | ||||
Exact match “Q Laboratories is an FDA/MoCRA registered (#1527260), cGMP/GLP compliant, and ISO/IEC 17025 accredited contract laboratory supporting global brands in delivering safe…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 23 | 163 contacts → | ||||
Exact match “RohmTek is an analytical laboratory support company providing instrument rental, instrument optimization, and analytical laboratory services to the energy industry and beyond.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 24 | 158 contacts → | ||||
Exact match “Established in 2019, Metiri Group has focused on using full-service environmental laboratories to deliver testing services to inform the decisions that improve the lives of people…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase | |||||
| 25 | 139 contacts → | ||||
Exact match “VK ENTERPRISES is a company based out of 3900 S Broadway, Edmond, OK, United States.” Recorded in the RevenueBase company graph · Nov 4, 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 “oil and gas 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 802 oil and gas testing laboratories based in the United States
See the full list, filter by size, metro and specialty, and access 8,874 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Oil and gas testing laboratories based in the United States at a glance
As of Nov 4, 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 802 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 “oil and gas 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 8,874 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 4, 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.
Oil and gas testing laboratories by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “oil and gas testing laboratories”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many oil and gas testing laboratories are there based in the United States?
RevenueBase identified 802 company matches for oil and gas 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 oil and gas testing laboratories?
Houston leads with 70 company records, followed by Midland (19) and Odessa (14).
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 8,874 professional contacts with verified work emails tracked across these 802 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 4, 2026.
Ready to reach these companies? Verified emails and direct dials for all 802 oil and gas testing laboratories based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Oil and gas testing laboratories by geography
- Oil and gas testing laboratories based in Houston, United States
- Oil and gas testing laboratories based in Argentina
- Oil and gas testing laboratories based in Australia
- Oil and gas testing laboratories based in Brazil
- Oil and gas testing laboratories based in Canada
- Oil and gas testing laboratories based in Chile
- Oil and gas testing laboratories based in Colombia
- Oil and gas testing laboratories based in France
- Oil and gas testing laboratories based in Germany
- Oil and gas testing laboratories based in India
- Oil and gas testing laboratories based in Italy
- Oil and gas testing laboratories based in Mexico
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
- Oil and gas testing laboratories based in Houston, United States
- Oil and gas testing laboratories based in Argentina
- Oil and gas testing laboratories based in Australia
- Oil and gas testing laboratories based in Brazil
- Oil and gas testing laboratories based in Canada
- Oil and gas testing laboratories based in Chile
Company intelligence · public preview
Top 25 oil and gas 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 802 matching company records for oil and gas testing laboratories based in the United States, with 24,667 tracked contacts and 8,874 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 4, 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 oil and gas 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Pace Analytical Servicespacelabs.com HQ: Minneapolis, NC, United StatesReported employees: 1,001-5,000 | Minneapolis, NC, United States | 1,001-5,000 | Exact match | 2,334 contacts → |
“Pace® Science and Technology Company makes the world a safer, healthier place.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 4, 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Jacam Catalystjacamcatalyst.com HQ: Gardendale, TX, United StatesReported employees: 1,001-5,000 | Gardendale, TX, United States | 1,001-5,000 | Exact match | 472 contacts → |
“Jacam Catalyst offers a full range of oilfield chemical manufacturing, blending, formulating, analysis, and R&D capabilities.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Express Energy Serviceseeslp.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 384 contacts → |
“Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Alpha Analyticalalphalab.comHQ: Westborough, NY, United StatesReported employees: 501-1,000 | Westborough, NY, United States | 501-1,000 | Exact match | 243 contacts → |
“Since 1987, Alpha Analytical, Inc.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Tanknologytanknology.comHQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 241 contacts → |
“Tanknology is the world's largest provider of tank testing and environmental compliance services for petroleum systems.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | The Viswa Grouptheviswagroup.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 231 contacts → |
“The Viswa Group was established in 1991 and we are currently serving over 600 customers and ships a year.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | RJ LEE Grouprjleegroup.com HQ: Pittsburgh, PA, United StatesReported employees: 201-500 | Pittsburgh, PA, United States | 201-500 | Exact match | 211 contacts → |
“RJ Lee Group provides comprehensive laboratory testing and scientific consulting services.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Midwest Laboratoriesmidwestlabs.com HQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 200 contacts → |
“Driving smart decisions has been our passion since 1975, and we continue to do this by recruiting talented individuals in the fields of Chemistry, Biochemistry, Biology…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Pro-Surve Technical Servicespktechnical.com HQ: League City, TX, United StatesReported employees: 201-500 | League City, TX, United States | 201-500 | Exact match | 200 contacts → |
“PK Technical & Inspection is an advanced non-destructive testing and inspection company.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  GEL Laboratories, LLCgel.comHQ: Charleston, SC, United StatesReported employees: 201-500 | Charleston, SC, United States | 201-500 | Exact match | 195 contacts → |
“Since 1981, GEL Laboratories has been a leading provider of comprehensive and reliable analytical services to the environmental industry including chemical, radiochemical…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Advanced Environmental Laboratories, INCaellab.comHQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 179 contacts → |
“Advanced Environmental Laboratories, Inc.(AEL) is a NELAP/TNI and DOD certified, national full-service laboratory firm, headquartered in Jacksonville, Florida, with additional…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Techcorr Usa, LLCtechcorr.com HQ: Pasadena, TX, United StatesReported employees: 501-1,000 | Pasadena, TX, United States | 501-1,000 | Exact match | 179 contacts → |
“The TechCorr name is synonymous with safe, quality inspection services.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Q Laboratoriesqlaboratories.com HQ: Cincinnati, OH, United StatesReported employees: 51-200 | Cincinnati, OH, United States | 51-200 | Exact match | 166 contacts → |
“Q Laboratories is an FDA/MoCRA registered (#1527260), cGMP/GLP compliant, and ISO/IEC 17025 accredited contract laboratory supporting global brands in delivering safe…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Rohmtekrohmtek.comHQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 163 contacts → |
“RohmTek is an analytical laboratory support company providing instrument rental, instrument optimization, and analytical laboratory services to the energy industry and beyond.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Metiri Groupmetirigroup.comHQ: Geneva, IL, United StatesReported employees: 201-500 | Geneva, IL, United States | 201-500 | Exact match | 158 contacts → |
“Established in 2019, Metiri Group has focused on using full-service environmental laboratories to deliver testing services to inform the decisions that improve the lives of people…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | VK Enterprisesvkenterprises.net HQ: Edmond, IL, United StatesReported employees: Not recorded | Edmond, IL, United States | Not recorded | Exact match | 139 contacts → |
“VK ENTERPRISES is a company based out of 3900 S Broadway, Edmond, OK, United States.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 802 company matches
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Oil and gas testing laboratories: dataset insights
November 4, 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
802 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 802 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 4, 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 ↗
Oil and gas testing laboratories by metro
Questions about this company list
What does Exact match mean for oil and gas 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 oil and gas testing laboratories did RevenueBase find based in the United States?
The saved snapshot records 802 matching company records, 24,667 tracked contacts and 8,874 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 4, 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
Oil and gas testing laboratories by geography
- Oil and gas testing laboratories based in Houston, United States
- Oil and gas testing laboratories based in Argentina
- Oil and gas testing laboratories based in Australia
- Oil and gas testing laboratories based in Brazil
- Oil and gas testing laboratories based in Canada
- Oil and gas testing laboratories based in Chile
- Oil and gas testing laboratories based in Colombia
- Oil and gas testing laboratories based in France
- Oil and gas testing laboratories based in Germany
- Oil and gas testing laboratories based in India
- Oil and gas testing laboratories based in Italy
- Oil and gas testing laboratories based in Mexico
Cite this list
RevenueBase Data Team. Top 25 oil and gas testing laboratories based in the United States. Snapshot: November 4, 2026. https://revenuebase.ai/companies/oil-and-gas-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
- Oil and gas testing laboratories based in Houston, United States
- Oil and gas testing laboratories based in Argentina
- Oil and gas testing laboratories based in Australia
- Oil and gas testing laboratories based in Brazil
- Oil and gas testing laboratories based in Canada
- Oil and gas testing laboratories based in Chile
Company intelligence · public preview
Top 25 oil and gas testing laboratories based in the United States
RevenueBase records 802 matching company records for oil and gas testing laboratories based in the United States, with 24,667 tracked contacts and 8,874 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 4, 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 oil and gas 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Pace Analytical Servicespacelabs.com HQ: Minneapolis, NC, United StatesReported employees: 1,001-5,000 | Minneapolis, NC, United States | 1,001-5,000 | Exact match | 2,334 contacts → |
“Pace® Science and Technology Company makes the world a safer, healthier place.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 4, 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Jacam Catalystjacamcatalyst.com HQ: Gardendale, TX, United StatesReported employees: 1,001-5,000 | Gardendale, TX, United States | 1,001-5,000 | Exact match | 472 contacts → |
“Jacam Catalyst offers a full range of oilfield chemical manufacturing, blending, formulating, analysis, and R&D capabilities.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Express Energy Serviceseeslp.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 384 contacts → |
“Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Alpha Analyticalalphalab.com HQ: Westborough, NY, United StatesReported employees: 501-1,000 | Westborough, NY, United States | 501-1,000 | Exact match | 243 contacts → |
“Since 1987, Alpha Analytical, Inc.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Tanknologytanknology.com HQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 241 contacts → |
“Tanknology is the world's largest provider of tank testing and environmental compliance services for petroleum systems.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | The Viswa Grouptheviswagroup.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 231 contacts → |
“The Viswa Group was established in 1991 and we are currently serving over 600 customers and ships a year.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | RJ LEE Grouprjleegroup.com HQ: Pittsburgh, PA, United StatesReported employees: 201-500 | Pittsburgh, PA, United States | 201-500 | Exact match | 211 contacts → |
“RJ Lee Group provides comprehensive laboratory testing and scientific consulting services.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Midwest Laboratoriesmidwestlabs.com HQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 200 contacts → |
“Driving smart decisions has been our passion since 1975, and we continue to do this by recruiting talented individuals in the fields of Chemistry, Biochemistry, Biology…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Pro-Surve Technical Servicespktechnical.com HQ: League City, TX, United StatesReported employees: 201-500 | League City, TX, United States | 201-500 | Exact match | 200 contacts → |
“PK Technical & Inspection is an advanced non-destructive testing and inspection company.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | GEL Laboratories, LLCgel.com HQ: Charleston, SC, United StatesReported employees: 201-500 | Charleston, SC, United States | 201-500 | Exact match | 195 contacts → |
“Since 1981, GEL Laboratories has been a leading provider of comprehensive and reliable analytical services to the environmental industry including chemical, radiochemical…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Advanced Environmental Laboratories, INCaellab.com HQ: Jacksonville, FL, United StatesReported employees: 51-200 | Jacksonville, FL, United States | 51-200 | Exact match | 179 contacts → |
“Advanced Environmental Laboratories, Inc.(AEL) is a NELAP/TNI and DOD certified, national full-service laboratory firm, headquartered in Jacksonville, Florida, with additional…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Techcorr Usa, LLCtechcorr.com HQ: Pasadena, TX, United StatesReported employees: 501-1,000 | Pasadena, TX, United States | 501-1,000 | Exact match | 179 contacts → |
“The TechCorr name is synonymous with safe, quality inspection services.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Q Laboratoriesqlaboratories.com HQ: Cincinnati, OH, United StatesReported employees: 51-200 | Cincinnati, OH, United States | 51-200 | Exact match | 166 contacts → |
“Q Laboratories is an FDA/MoCRA registered (#1527260), cGMP/GLP compliant, and ISO/IEC 17025 accredited contract laboratory supporting global brands in delivering safe…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Rohmtekrohmtek.com HQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 163 contacts → |
“RohmTek is an analytical laboratory support company providing instrument rental, instrument optimization, and analytical laboratory services to the energy industry and beyond.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Metiri Groupmetirigroup.com HQ: Geneva, IL, United StatesReported employees: 201-500 | Geneva, IL, United States | 201-500 | Exact match | 158 contacts → |
“Established in 2019, Metiri Group has focused on using full-service environmental laboratories to deliver testing services to inform the decisions that improve the lives of people…” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | VK Enterprisesvkenterprises.net HQ: Edmond, IL, United StatesReported employees: Not recorded | Edmond, IL, United States | Not recorded | Exact match | 139 contacts → |
“VK ENTERPRISES is a company based out of 3900 S Broadway, Edmond, OK, United States.” Recorded description excerpt · November 4, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 802 company matches
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Oil and gas testing laboratories: dataset insights
November 4, 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
802 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 802 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 4, 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 ↗
Oil and gas testing laboratories by metro
Questions about this company list
What does Exact match mean for oil and gas 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 oil and gas testing laboratories did RevenueBase find based in the United States?
The saved snapshot records 802 matching company records, 24,667 tracked contacts and 8,874 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 4, 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 oil and gas testing laboratories based in the United States. Snapshot: November 4, 2026. https://revenuebase.ai/companies/oil-and-gas-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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