Company lists · Data refreshed November 2026
Top 25 Paper testing laboratories based in the United States
RevenueBase identified 192 company matches for paper testing laboratories associated with the United States as of November 2026 and tracks 4,296 professional contacts across them, including 1,668 with verified work emails. Houston is the largest hub.
This list covers company matches for paper 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 paper testing laboratories based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 494 contacts → | ||||
Exact match “Hohenstein Group Hohenstein is a family-owned company with more than 80 years of experience in testing, certification and research.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 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 | |||||
| 4 | 208 contacts → | ||||
Exact match “At Consolidated Engineering Laboratories (CEL) we consider ourselves more than a Testing Laboratory.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 141 contacts → | ||||
Exact match “Timber Products Inspection, Inc.(TP) is an independent, third party wood products inspection, testing and consulting company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 124 contacts → | ||||
Exact match “Founded in 1952, Energy Laboratories, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 79 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 70 contacts → | ||||
Exact match “Texas OilTech Laboratories, is committed to remaining a world-class petroleum testing laboratory for the analysis of fuels, lubricants, petrochemical, and environmental materials.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 65 contacts → | ||||
Exact match “ARDL is an A2LA ISO 17025:2017 accredited, ISO 9001:2015 registered, FDA and ISO 13485:2016 compliant independent testing laboratory specializing in rubber, plastic and latex.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 60 contacts → | ||||
Exact match “In business since 1945, NSL is an ISO/IEC 17025, Nadcap certified, ASME NQA-1, 10 CFR 50 Appendix B (Nuclear) Certified Independent Commercial Testing Laboratory providing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 60 contacts → | ||||
Exact match “Weck Laboratories Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 59 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 55 contacts → | ||||
Exact match “AEMTEK is a high quality, third party laboratory that provides testing, research, training, consulting services, and sampling products for the food, environmental, water…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 50 contacts → | ||||
Exact match “PES is an independent testing laboratory, specializing in mechanical, metallurgical, chemical and nondestructive testing and analysis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 49 contacts → | ||||
Exact match “Located in the San Francisco Bay Area (Pittsburg), McCampbell Analytical tests drinking water, effluent, soils, solids, hazardous waste, air, industrial materials and food for a…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 44 contacts → | ||||
Exact match “For over 30 years, industry has been relying on RTI Laboratories as an analytical resource.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 35 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 31 contacts → | ||||
Exact match “For over 30 years, we have supported the product testing requirements of the nation's computer, fiber optics, telecommunications, medical, food, aerospace/defense, and other…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 30 contacts → | ||||
Exact match “Since its founding in 1975, TRI has grown to 13 wholly-owned subsidiaries employing over 120 scientists, engineers, technicians, and support personal around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 28 contacts → | ||||
Exact match “California Laboratory Services is an environmental analysis company based out of Rancho Cordova, California, United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 27 contacts → | ||||
Exact match “Merit Laboratories is one of the nation’s premier independently owned environmental testing laboratories, delivering high-quality analytical results with a steadfast commitment to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 27 contacts → | ||||
Exact match “Neilson Research Corporation is a full service analytical testing laboratory specializing in Drinking water, Wastewater, Hazardous Wastes and Asbestos Analysis.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 27 contacts → | ||||
Exact match “Perritt Laboratories is a cGMP, independent testing laboratory providing child-resistant package testing and microbiological testing services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 25 contacts → | ||||
Exact match “Founded in 1965 by Dr.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 23 contacts → | ||||
Exact match Recorded description not available. 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 “paper 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 192 paper testing laboratories based in the United States
See the full list, filter by size, metro and specialty, and access 1,668 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Paper 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 192 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 “paper 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 1,668 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 “paper testing laboratories”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many paper testing laboratories are there based in the United States?
RevenueBase identified 192 company matches for paper 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?
Emsl Analytical, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most paper testing laboratories?
Houston leads with 4 company records, followed by Austin (3) and Charlotte (3).
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 1,668 professional contacts with verified work emails tracked across these 192 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 192 paper testing laboratories based in the United States. Start with a free account, no credit card.
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Paper testing laboratories by geography
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
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- Lists by location
- Lists A-Z
- New lists
- Paper testing laboratories based in Brazil
- Paper testing laboratories based in Germany
- Paper testing laboratories based in India
- Paper testing laboratories based in Italy
- AI companies based in the United States
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Company intelligence · public preview
Top 25 paper 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 192 matching company records for paper testing laboratories based in the United States, with 4,296 tracked contacts and 1,668 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 paper 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 |  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. | |||||
| 2 |  Hohenstein Grouphohenstein.comHQ: Bönnigheim, IN, United StatesReported employees: 1,001-5,000 | Bönnigheim, IN, United States | 1,001-5,000 | Exact match | 494 contacts → |
“Hohenstein Group Hohenstein is a family-owned company with more than 80 years of experience in testing, certification and research.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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. | |||||
| 4 |  Consolidated Engineering Laboratoriesce-labs.comHQ: San Ramon, HI, United StatesReported employees: 201-500 | San Ramon, HI, United States | 201-500 | Exact match | 208 contacts → |
“At Consolidated Engineering Laboratories (CEL) we consider ourselves more than a Testing Laboratory.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Timber Products Inspection, INCtpinspection.comHQ: Peachtree City, GA, United StatesReported employees: 51-200 | Peachtree City, GA, United States | 51-200 | Exact match | 141 contacts → |
“Timber Products Inspection, Inc.(TP) is an independent, third party wood products inspection, testing and consulting company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Energy Laboratories, INCenergylab.comHQ: Billings, WY, United StatesReported employees: 201-500 | Billings, WY, United States | 201-500 | Exact match | 124 contacts → |
“Founded in 1952, Energy Laboratories, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Teklab, INCteklabinc.comHQ: Collinsville, IL, United StatesReported employees: 201-500 | Collinsville, IL, United States | 201-500 | Exact match | 79 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 |  Texas Oiltech Laboratoriestol-lp.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 70 contacts → |
“Texas OilTech Laboratories, is committed to remaining a world-class petroleum testing laboratory for the analysis of fuels, lubricants, petrochemical, and environmental materials.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Akron, OH, United StatesReported employees: 51-200 | Akron, OH, United States | 51-200 | Exact match | 65 contacts → |
“ARDL is an A2LA ISO 17025:2017 accredited, ISO 9001:2015 registered, FDA and ISO 13485:2016 compliant independent testing laboratory specializing in rubber, plastic and latex.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  NSL Analytical Services, INCnslanalytical.comHQ: Cleveland, OH, United StatesReported employees: 51-200 | Cleveland, OH, United States | 51-200 | Exact match | 60 contacts → |
“In business since 1945, NSL is an ISO/IEC 17025, Nadcap certified, ASME NQA-1, 10 CFR 50 Appendix B (Nuclear) Certified Independent Commercial Testing Laboratory providing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Weck Laboratories, INCwecklabs.comHQ: City Of Industry, CA, United StatesReported employees: 51-200 | City Of Industry, CA, United States | 51-200 | Exact match | 60 contacts → |
“Weck Laboratories Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Paradigm Environmental Services, INCparadigmenv.comHQ: Rochester, NY, United StatesReported employees: 51-200 | Rochester, NY, United States | 51-200 | Exact match | 59 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 |  Aemtek, INCaemtek.comHQ: Fremont, CA, United StatesReported employees: 11-50 | Fremont, CA, United States | 11-50 | Exact match | 55 contacts → |
“AEMTEK is a high quality, third party laboratory that provides testing, research, training, consulting services, and sampling products for the food, environmental, water…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Product Evaluation Systems, LLCpes-testing.comHQ: Latrobe, PA, United StatesReported employees: 51-200 | Latrobe, PA, United States | 51-200 | Exact match | 50 contacts → |
“PES is an independent testing laboratory, specializing in mechanical, metallurgical, chemical and nondestructive testing and analysis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Mccampbell Analytical, INCmccampbell.comHQ: Pittsburg, CA, United StatesReported employees: 51-200 | Pittsburg, CA, United States | 51-200 | Exact match | 49 contacts → |
“Located in the San Francisco Bay Area (Pittsburg), McCampbell Analytical tests drinking water, effluent, soils, solids, hazardous waste, air, industrial materials and food for a…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  RTI Laboratories, INCrtilab.comHQ: Livonia, MI, United StatesReported employees: 51-200 | Livonia, MI, United States | 51-200 | Exact match | 44 contacts → |
“For over 30 years, industry has been relying on RTI Laboratories as an analytical resource.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Paragon Laboratories, INCparagonlaboratories.comHQ: Livonia, MI, United StatesReported employees: 11-50 | Livonia, MI, United States | 11-50 | Exact match | 35 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Quanta Laboratoriesquantalabs.comHQ: Santa Clara, CA, United StatesReported employees: 11-50 | Santa Clara, CA, United States | 11-50 | Exact match | 31 contacts → |
“For over 30 years, we have supported the product testing requirements of the nation's computer, fiber optics, telecommunications, medical, food, aerospace/defense, and other…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Texas Research Internationaltri-intl.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 30 contacts → |
“Since its founding in 1975, TRI has grown to 13 wholly-owned subsidiaries employing over 120 scientists, engineers, technicians, and support personal around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  California Laboratory Servicescalifornialab.comHQ: Rancho Cordova, CA, United StatesReported employees: 11-50 | Rancho Cordova, CA, United States | 11-50 | Exact match | 28 contacts → |
“California Laboratory Services is an environmental analysis company based out of Rancho Cordova, California, United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Merit Laboratoriesmeritlabs.comHQ: East Lansing, MI, United StatesReported employees: 51-200 | East Lansing, MI, United States | 51-200 | Exact match | 27 contacts → |
“Merit Laboratories is one of the nation’s premier independently owned environmental testing laboratories, delivering high-quality analytical results with a steadfast commitment to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  NRC Labsnrclabs.comHQ: Medford, OR, United StatesReported employees: 11-50 | Medford, OR, United States | 11-50 | Exact match | 27 contacts → |
“Neilson Research Corporation is a full service analytical testing laboratory specializing in Drinking water, Wastewater, Hazardous Wastes and Asbestos Analysis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Perritt Laboratories, INCperritt.comHQ: Hightstown, NJ, United StatesReported employees: 11-50 | Hightstown, NJ, United States | 11-50 | Exact match | 27 contacts → |
“Perritt Laboratories is a cGMP, independent testing laboratory providing child-resistant package testing and microbiological testing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Analab Corporationana-lab.comHQ: Kilgore, TX, United StatesReported employees: 51-200 | Kilgore, TX, United States | 51-200 | Exact match | 25 contacts → |
“Founded in 1965 by Dr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Florida-Spectrum Environmental Services, INCflenviro.com HQ: Fort Lauderdale, FL, United StatesReported employees: 11-50 | Fort Lauderdale, FL, United States | 11-50 | Exact match | 23 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 192 company matches
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Paper 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
192 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 192 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 paper 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 paper testing laboratories did RevenueBase find based in the United States?
The saved snapshot records 192 matching company records, 4,296 tracked contacts and 1,668 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
Paper testing laboratories by geography
Cite this list
RevenueBase Data Team. Top 25 paper testing laboratories based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/paper-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
- Paper testing laboratories based in Brazil
- Paper testing laboratories based in Germany
- Paper testing laboratories based in India
- Paper testing laboratories based in Italy
- AI companies based in the United States
- Cybersecurity companies based in the United States
Company intelligence · public preview
Top 25 paper testing laboratories based in the United States
RevenueBase records 192 matching company records for paper testing laboratories based in the United States, with 4,296 tracked contacts and 1,668 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 paper 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 | 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. | |||||
| 2 | Hohenstein Grouphohenstein.com HQ: Bönnigheim, IN, United StatesReported employees: 1,001-5,000 | Bönnigheim, IN, United States | 1,001-5,000 | Exact match | 494 contacts → |
“Hohenstein Group Hohenstein is a family-owned company with more than 80 years of experience in testing, certification and research.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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. | |||||
| 4 | Consolidated Engineering Laboratoriesce-labs.com HQ: San Ramon, HI, United StatesReported employees: 201-500 | San Ramon, HI, United States | 201-500 | Exact match | 208 contacts → |
“At Consolidated Engineering Laboratories (CEL) we consider ourselves more than a Testing Laboratory.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Timber Products Inspection, INCtpinspection.com HQ: Peachtree City, GA, United StatesReported employees: 51-200 | Peachtree City, GA, United States | 51-200 | Exact match | 141 contacts → |
“Timber Products Inspection, Inc.(TP) is an independent, third party wood products inspection, testing and consulting company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Energy Laboratories, INCenergylab.com HQ: Billings, WY, United StatesReported employees: 201-500 | Billings, WY, United States | 201-500 | Exact match | 124 contacts → |
“Founded in 1952, Energy Laboratories, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Teklab, INCteklabinc.com HQ: Collinsville, IL, United StatesReported employees: 201-500 | Collinsville, IL, United States | 201-500 | Exact match | 79 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 8 | Texas Oiltech Laboratoriestol-lp.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 70 contacts → |
“Texas OilTech Laboratories, is committed to remaining a world-class petroleum testing laboratory for the analysis of fuels, lubricants, petrochemical, and environmental materials.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Akron, OH, United StatesReported employees: 51-200 | Akron, OH, United States | 51-200 | Exact match | 65 contacts → |
“ARDL is an A2LA ISO 17025:2017 accredited, ISO 9001:2015 registered, FDA and ISO 13485:2016 compliant independent testing laboratory specializing in rubber, plastic and latex.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | NSL Analytical Services, INCnslanalytical.com HQ: Cleveland, OH, United StatesReported employees: 51-200 | Cleveland, OH, United States | 51-200 | Exact match | 60 contacts → |
“In business since 1945, NSL is an ISO/IEC 17025, Nadcap certified, ASME NQA-1, 10 CFR 50 Appendix B (Nuclear) Certified Independent Commercial Testing Laboratory providing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Weck Laboratories, INCwecklabs.com HQ: City Of Industry, CA, United StatesReported employees: 51-200 | City Of Industry, CA, United States | 51-200 | Exact match | 60 contacts → |
“Weck Laboratories Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Paradigm Environmental Services, INCparadigmenv.com HQ: Rochester, NY, United StatesReported employees: 51-200 | Rochester, NY, United States | 51-200 | Exact match | 59 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Aemtek, INCaemtek.com HQ: Fremont, CA, United StatesReported employees: 11-50 | Fremont, CA, United States | 11-50 | Exact match | 55 contacts → |
“AEMTEK is a high quality, third party laboratory that provides testing, research, training, consulting services, and sampling products for the food, environmental, water…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Product Evaluation Systems, LLCpes-testing.com HQ: Latrobe, PA, United StatesReported employees: 51-200 | Latrobe, PA, United States | 51-200 | Exact match | 50 contacts → |
“PES is an independent testing laboratory, specializing in mechanical, metallurgical, chemical and nondestructive testing and analysis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Mccampbell Analytical, INCmccampbell.com HQ: Pittsburg, CA, United StatesReported employees: 51-200 | Pittsburg, CA, United States | 51-200 | Exact match | 49 contacts → |
“Located in the San Francisco Bay Area (Pittsburg), McCampbell Analytical tests drinking water, effluent, soils, solids, hazardous waste, air, industrial materials and food for a…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | RTI Laboratories, INCrtilab.com HQ: Livonia, MI, United StatesReported employees: 51-200 | Livonia, MI, United States | 51-200 | Exact match | 44 contacts → |
“For over 30 years, industry has been relying on RTI Laboratories as an analytical resource.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Paragon Laboratories, INCparagonlaboratories.com HQ: Livonia, MI, United StatesReported employees: 11-50 | Livonia, MI, United States | 11-50 | Exact match | 35 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Quanta Laboratoriesquantalabs.com HQ: Santa Clara, CA, United StatesReported employees: 11-50 | Santa Clara, CA, United States | 11-50 | Exact match | 31 contacts → |
“For over 30 years, we have supported the product testing requirements of the nation's computer, fiber optics, telecommunications, medical, food, aerospace/defense, and other…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Texas Research Internationaltri-intl.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 30 contacts → |
“Since its founding in 1975, TRI has grown to 13 wholly-owned subsidiaries employing over 120 scientists, engineers, technicians, and support personal around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | California Laboratory Servicescalifornialab.com HQ: Rancho Cordova, CA, United StatesReported employees: 11-50 | Rancho Cordova, CA, United States | 11-50 | Exact match | 28 contacts → |
“California Laboratory Services is an environmental analysis company based out of Rancho Cordova, California, United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Merit Laboratoriesmeritlabs.com HQ: East Lansing, MI, United StatesReported employees: 51-200 | East Lansing, MI, United States | 51-200 | Exact match | 27 contacts → |
“Merit Laboratories is one of the nation’s premier independently owned environmental testing laboratories, delivering high-quality analytical results with a steadfast commitment to…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | NRC Labsnrclabs.com HQ: Medford, OR, United StatesReported employees: 11-50 | Medford, OR, United States | 11-50 | Exact match | 27 contacts → |
“Neilson Research Corporation is a full service analytical testing laboratory specializing in Drinking water, Wastewater, Hazardous Wastes and Asbestos Analysis.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Perritt Laboratories, INCperritt.com HQ: Hightstown, NJ, United StatesReported employees: 11-50 | Hightstown, NJ, United States | 11-50 | Exact match | 27 contacts → |
“Perritt Laboratories is a cGMP, independent testing laboratory providing child-resistant package testing and microbiological testing services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Analab Corporationana-lab.com HQ: Kilgore, TX, United StatesReported employees: 51-200 | Kilgore, TX, United States | 51-200 | Exact match | 25 contacts → |
“Founded in 1965 by Dr.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Florida-Spectrum Environmental Services, INCflenviro.com HQ: Fort Lauderdale, FL, United StatesReported employees: 11-50 | Fort Lauderdale, FL, United States | 11-50 | Exact match | 23 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 192 company matches
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Paper 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
192 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 192 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 paper 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 paper testing laboratories did RevenueBase find based in the United States?
The saved snapshot records 192 matching company records, 4,296 tracked contacts and 1,668 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
Paper testing laboratories by geography
Cite this list
RevenueBase Data Team. Top 25 paper testing laboratories based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/paper-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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