Company lists · Data refreshed November 2026

Top 21 Testing rooms suppliers based in the United States

RevenueBase identified 44 company matches for testing rooms suppliers associated with the United States as of November 2026 and tracks 1,277 professional contacts across them, including 477 with verified work emails. Holbrook is the largest hub.

This list covers company matches for testing rooms suppliers 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 2, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 2, 2026 How this list was built
44Companies
1,277Contacts tracked
477Verified emails
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The 21 largest testing rooms suppliers based in the United States

Ranked by team size
Top 21 of 44 company matches for testing rooms suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWindsor, NJ, United StatesHQ recorded Nov 2, 2026201-500303 contacts →

Exact match

“Pine is the leading provider of rental equipment in the U.S.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact matchAkron, NY, United StatesHQ recorded Nov 2, 2026201-500231 contacts →

Exact match

“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact matchHolland, MI, United StatesHQ recorded Nov 2, 2026201-500165 contacts →

Exact match

“For more than 55 years, Thermotron has provided quality environmental test equipment.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4Exact matchManchester, CT, United StatesHQ recorded Nov 2, 202651-20074 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchBensalem Township, PA, United StatesHQ recorded Nov 2, 202611-5053 contacts →

Exact match

“Criterion provides rapid and reliable solutions to occupational and environmental health problems.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchRoanoke, TX, United StatesHQ recorded Nov 2, 202651-20049 contacts →

Exact match

“We rent and support electrical testing equipment.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
7Exact matchEl Dorado Hills, CA, United StatesHQ recorded Nov 2, 202611-5036 contacts →

Exact match

“RSAnalysis, Inc.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8Exact matchTukwila, WA, United StatesHQ recorded Nov 2, 202611-5035 contacts →

Exact match

“Analytical Resources, LLC has been a leader for over 30 years in the environmental testing industry with experience across a wide range of analyses and sample matrices, producing…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact matchKilgore, TX, United StatesHQ recorded Nov 2, 202651-20025 contacts →

Exact match

“Founded in 1965 by Dr.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchLas Vegas, NV, United StatesHQ recorded Nov 2, 202651-20021 contacts →

Exact match

“Since its founding, Q Corporation has built its reputation as a preferred manufacturer of custom environmental testing and conditioning systems.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact matchHolbrook, NY, United StatesHQ recorded Nov 2, 202611-5013 contacts →

Exact match

“Long Island Analytical is a privately owned environmental testing laboratory located in Holbrook, NY.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
12Exact matchChicago, IL, United StatesHQ recorded Nov 2, 202611-5012 contacts →

Exact match

“The CEPro model is unique within the industry.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact matchFort Smith, AR, United StatesHQ recorded Nov 2, 202611-507 contacts →

Exact match

“Hooks & Associates, Inc.(H&A) is a engineering firm that designs, fabricates, and installs automated test systems for the manufacturing industry.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
14Exact matchAvon, MA, United StatesHQ recorded Nov 2, 202611-506 contacts →

Exact match

“Air Systems Technologies is a full-­service biomedical equipment company, providing comprehensive testing and certification services to over 1,100 clients in the medical device…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
15Exact matchPortsmouth, NH, United StatesHQ recorded Nov 2, 202611-505 contacts →

Exact match

“About TEKON Technical Consultants, Inc.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchAlliance, OH, United StatesHQ recorded Nov 2, 202611-504 contacts →

Exact match

“Custom Stack Analysis, LLC, was originally established in Alliance, Ohio, in 1965 by Mr.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
17Exact matchWatertown, TN, United StatesHQ recorded Nov 2, 202611-503 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact matchWest Allis, WI, United StatesHQ recorded Nov 2, 20261-103 contacts →

Exact match

“Our firm conducts indoor air quality, water damage assessments, smoke/fire spread testing, asbestos inspections, and other related testing services.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
19Exact matchBossier City, LA, United StatesHQ recorded Nov 2, 20261-103 contacts →

Exact match

“Audiometrics, Inc.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20Exact matchSanford, FL, United StatesHQ recorded Nov 2, 202611-502 contacts →

Exact match

“Micro Filtrations, Inc.(MFI) is an international service and consulting firm specializing in environmental contamination control and cleanroom performance testing.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchMichigan Center, MI, United StatesHQ recorded Nov 2, 20261-101 contacts →

Exact match

“Environmental Testing, Monitoring, and Recording Equipment and Instruments for rent in Michigan”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase

Showing 21 of 44 testing rooms suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 477 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Testing rooms suppliers based in the United States at a glance

As of Nov 2, 2026
37.4%Verified-email coverage
29.0Average contacts per company
11-50Median size (employees)
4.5%Largest-city concentration · Holbrook
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
14
11-50
19
51-200
5
201-500
6

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 44 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 “testing rooms suppliers” 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 477 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 2, 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 “testing rooms suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many testing rooms suppliers are there based in the United States?

RevenueBase identified 44 company matches for testing rooms suppliers 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?

Pine Environmental Services LLC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most testing rooms suppliers?

Holbrook leads with 2 company records, followed by Huntsville (2) and Akron (1).

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 477 professional contacts with verified work emails tracked across these 44 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 2, 2026.

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About this data

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