Company lists · Data refreshed November 2026

Top 25 Temperature humidity tester suppliers based in the United States

RevenueBase identified 71 company matches for temperature humidity tester suppliers associated with the United States as of November 2026 and tracks 3,373 professional contacts across them, including 1,126 with verified work emails. Bohemia is the largest hub.

This list covers company matches for temperature humidity tester 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
71Companies
3,373Contacts tracked
1,126Verified emails
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The 25 largest temperature humidity tester suppliers based in the United States

Ranked by team size
Top 25 of 71 company matches for temperature humidity tester 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 matchRochester, NY, United StatesHQ recorded Nov 2, 2026501-1,000698 contacts →

Exact match

“At Transcat, we are the global leader in test and measurement equipment and calibration services for highly technical industries, including life sciences, power generation…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact matchNorwalk, CT, United StatesHQ recorded Nov 2, 2026501-1,000610 contacts →

Exact match

“Omega sells more than products used to measure temperature and humidity, flow and level, and pressure.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact matchGrass Valley, CA, United StatesHQ recorded Nov 2, 2026201-500513 contacts →

Exact match

“Micro Precision Calibration is a global leader offering customers around the world an easy path to instrument calibration services, standards compliance testing, equipment repair…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchHudsonville, MI, United StatesHQ recorded Nov 2, 202651-200158 contacts →

Exact match

“ESPEC North America builds quality test chambers in the United States as part of the ESPEC Group, which is the largest organizations solely dedicated to the manufacture of…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchChestertown, MD, United StatesHQ recorded Nov 2, 2026201-500149 contacts →

Exact match

“Since 1919, we are a leading manufacturer of environmental testing equipment for water and soil.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
7Exact matchNew Columbia, PA, United StatesHQ recorded Nov 2, 202651-200108 contacts →

Exact match

“Thermal Product Solutions (TPS) designs and manufactures industrial and laboratory ovens and furnaces, and environmental temperature cycling and stability test chambers.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8Exact matchRaleigh, NC, United StatesHQ recorded Nov 2, 202651-20091 contacts →

Exact match

“Founded in 1972, Environmental Specialties designs, manufactures, installs and services a diverse line of controlled environmental chambers that maintain precise conditions for a…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
9Exact matchMequon, WI, United StatesHQ recorded Nov 2, 202651-20058 contacts →

Exact match

“SEAL is a global manufacturer of environmental testing equipment primarily for the water quality industry and other environmental and industrial applications.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchSt. Louis, MO, United StatesHQ recorded Nov 2, 202651-20052 contacts →

Exact match

“Founded in 2003, Darwin Chambers Company has been manufacturing, designing, and installing controlled environmental chambers for over a decade.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact matchSeattle, WA, United StatesHQ recorded Nov 2, 202611-5032 contacts →

Exact match

“Since 1986, Thermetrics has designed and manufactured advanced testing instruments which simulate the human thermoregulatory system and are used to evaluate the thermal comfort…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
12Exact matchHolland, MI, United StatesHQ recorded Nov 2, 202651-20029 contacts →

Exact match

“Founded in 1972, Russells Technical Products is a global supplier of Environmental Test Chambers and Systems.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact matchBlack Mountain, NC, United StatesHQ recorded Nov 2, 202611-5028 contacts →

Exact match

“Parameter Generation & Control is an internationally respected manufacturer of precise stability storage products.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
14Exact matchSanta Clara, CA, United StatesHQ recorded Nov 2, 202611-5026 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 2, 2026 · View company records in RevenueBase
15Exact matchMogadore, OH, United StatesHQ recorded Nov 2, 202611-5026 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
16Exact matchChatsworth, CA, United StatesHQ recorded Nov 2, 202611-5023 contacts →

Exact match

“ENVIRONMENT ASSOCIATES INC.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
17Exact matchGlendale, CA, United StatesHQ recorded Nov 2, 20261-1022 contacts →

Exact match

“Vertical Laboratories is an ISO/IEC 17025:2017 Compliant Testing Laboratory.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
18Exact 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
19Exact matchWest Berlin, NJ, United StatesHQ recorded Nov 2, 202611-5020 contacts →

Exact match

“Thwing-Albert Instrument Company is one of the nation's leading manufacturers of advanced testing instrumentation.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20Exact matchAlbuquerque, NM, United StatesHQ recorded Nov 2, 202611-5015 contacts →

Exact match

“The world's leading manufacturer of NIST-standard, two-pressure humidity calibration systems, Thunder Scientific offers the industry's best solution to your humidity measurement…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchNewport News, VA, United StatesHQ recorded Nov 2, 202611-5013 contacts →

Exact match

“ACR Technical Services has provided high end ISO 17025 calibration and environmental chamber repair services since 1993 in our state of the art metrology laboratory with over…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
22Exact matchFairfax, VA, United StatesHQ recorded Nov 2, 202611-509 contacts →

Exact match

“CSC Scientific is a test equipment company that specializes in Moisture Analysis, Particle Size Distribution, and Liquid Property Measurement.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact matchSan Jose, CA, United StatesHQ recorded Nov 2, 202611-509 contacts →

Exact match

“Yamato Scientific first introduced its product line to the U.S.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
24Exact matchNorfolk, VA, United StatesHQ recorded Nov 2, 202611-509 contacts →

Exact match

“Established in 1995, QA Supplies is a trusted leader in providing high-quality, competitively priced solutions for professionals dedicated to monitoring, controlling, and…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
25Exact matchEllisville, MO, United StatesHQ recorded Nov 2, 202611-508 contacts →

Exact match

“BioCold Environmental is one of the nation's leading suppliers of environmental rooms and environmental chambers, with product lines including walk-in cold rooms, dry rooms…”

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

Showing 25 of 71 temperature humidity tester suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 1,126 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Temperature humidity tester suppliers based in the United States at a glance

As of Nov 2, 2026
33.4%Verified-email coverage
47.5Average contacts per company
11-50Median size (employees)
2.8%Largest-city concentration · Bohemia
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
29
11-50
23
51-200
10
201-500
7
501-1,000
2

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 71 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 “temperature humidity tester 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 1,126 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 “temperature humidity tester suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many temperature humidity tester suppliers are there based in the United States?

RevenueBase identified 71 company matches for temperature humidity tester 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?

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

Which city has the most temperature humidity tester suppliers?

Bohemia leads with 2 company records, followed by Cincinnati (2) and Grand Rapids (2).

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 1,126 professional contacts with verified work emails tracked across these 71 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.