Company lists · Data refreshed October 2026

Top 25 Multi-parameter gas monitor calibration services based in the United States

RevenueBase identified 176 company matches for multi-parameter gas monitor calibration services associated with the United States as of October 2026 and tracks 3,445 professional contacts across them, including 1,398 with verified work emails. Houston is the largest hub.

This list covers company matches for multi-parameter gas monitor calibration services 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 October 28, 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 Oct 28, 2026 How this list was built
176Companies
3,445Contacts tracked
1,398Verified emails
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The 25 largest multi-parameter gas monitor calibration services based in the United States

Ranked by team size
Top 25 of 176 company matches for multi-parameter gas monitor calibration services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 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 Oct 28, 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 · Oct 28, 2026 · View company records in RevenueBase
2Exact matchGrass Valley, CA, United StatesHQ recorded Oct 28, 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 · Oct 28, 2026 · View company records in RevenueBase
3Exact matchSanta Clara, CA, United StatesHQ recorded Oct 28, 2026201-500392 contacts →

Exact match

“SIMCO Electronics is a leading provider of calibration, repair, and software services for manufacturing, life science, and technology organizations.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4Exact matchSeabrook, TX, United StatesHQ recorded Oct 28, 2026201-500155 contacts →

Exact match

“Automation and Technology Group: Specializing in Analyzer System Integration.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5Exact matchWebster, TX, United StatesHQ recorded Oct 28, 2026201-500135 contacts →

Exact match

“Since 1967, Rothe has delivered precision-driven solutions in calibration & metrology, engineering, and IT services to a wide range of commercial and industrial sectors.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6Exact matchOshkosh, WI, United StatesHQ recorded Oct 28, 202651-200123 contacts →

Exact match

“Fox Valley Metrology is a partner to the Quality Assurance Departments of thousands of organizations worldwide.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7Exact matchTemple Terrace, GA, United StatesHQ recorded Oct 28, 202651-200112 contacts →

Exact match

“Who is TMI?”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8Exact matchFort Worth, TX, United StatesHQ recorded Oct 28, 2026201-500101 contacts →

Exact match

“For over 25 years, Sentinel-TDS, based in Dallas/Ft.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9Exact matchChesapeake, VA, United StatesHQ recorded Oct 28, 202651-20095 contacts →

Exact match

“Every Measurement Matters.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10Exact matchAustin, TX, United StatesHQ recorded Oct 28, 202611-5039 contacts →

Exact match

“Erthwrks provides air testing services for industry.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11Exact matchIrvine, CA, United StatesHQ recorded Oct 28, 202651-20038 contacts →

Exact match

“Since 1997 usCalibration has provided high-quality calibration, system repair, and asset management to the manufacturing community.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12Exact matchFrederick, MD, United StatesHQ recorded Oct 28, 202651-20033 contacts →

Exact match

“Electrical Test Instruments (ETI) is a leader in the calibration, repair, and sale of test and measurement equipment.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13Exact matchSolon, OH, United StatesHQ recorded Oct 28, 202611-5033 contacts →

Exact match

“Conrad Kacsik Instrument Systems located in Solon Ohio, distributes, services, system engineers and provides certified calibration for process control instrumentation and process…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14Exact matchLititz, PA, United StatesHQ recorded Oct 28, 202611-5030 contacts →

Exact match

“Garber Metrology is a family owned business and has earned the Pennsylvania “Best Place to Work” title.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15Exact matchElgin, IL, United StatesHQ recorded Oct 28, 202611-5030 contacts →

Exact match

“Assurance Technologies, Inc.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16Exact matchGurnee Il, IL, United StatesHQ recorded Oct 28, 202611-5022 contacts →

Exact match

“RAECO Rents is a nationwide rental provider of calibrated industrial hygiene, safety, and environmental monitoring instrumentation.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17Exact matchNorwood, MA, United StatesHQ recorded Oct 28, 202651-20021 contacts →

Exact match

“For more than three decades, Bascom-Turner has manufactured accurate and rugged gas detectors for utilities and other industrial customers.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18Exact matchFall River, United StatesHQ recorded Oct 28, 202611-5018 contacts →

Exact match

“Leaders in Safety Technology We specialize in Gas Detection Products and Services for Portable and Stationary Systems.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19Exact matchSouthlake, TX, United StatesHQ recorded Oct 28, 202611-5017 contacts →

Exact match

“Laminar Technologies has 35 plus years experience.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20Exact matchPlacentia, CA, United StatesHQ recorded Oct 28, 202611-5016 contacts →

Exact match

“American Gage is a leading metrology laboratory in Southern California serving the Life Science & Aerospace industry for over 50 years.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21Exact matchHudson, NH, United StatesHQ recorded Oct 28, 202611-5016 contacts →

Exact match

“IN-CAL™ is committed to providing superior on-site and off-site calibration and repair services for a wide range of Test, Measuring and Manufacturing Equipment.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22Exact matchCincinnati, OH, United StatesHQ recorded Oct 28, 202611-5016 contacts →

Exact match

“Alliance Calibration is centrally located in Cincinnati, Ohio.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23Exact matchCharlotte, NC, United StatesHQ recorded Oct 28, 202611-5015 contacts →

Exact match

“F.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24Exact matchNorth Brunswick, NJ, United StatesHQ recorded Oct 28, 20261-1015 contacts →

Exact match

“As a premier service company, Alliance Calibrations Group, LLC (ACG) is interested in serving your labs with Annual Preventive Maintenance, Qualification, Calibration, and Repair…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
25Exact matchSan Jose, CA, United StatesHQ recorded Oct 28, 202611-5015 contacts →

Exact match

“We provide customized gas monitoring, detection and control systems for commercial and industrial businesses.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase

Showing 25 of 176 multi-parameter gas monitor calibration services based in the United States

See the full list, filter by size, metro and specialty, and access 1,398 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Multi-parameter gas monitor calibration services based in the United States at a glance

As of Oct 28, 2026
40.6%Verified-email coverage
19.6Average contacts per company
11-50Median size (employees)
4.0%Largest-city concentration · Houston
Oct 28, 2026Page data refreshed

Companies by employee count

1-10
81
11-50
73
51-200
13
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 176 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 “multi-parameter gas monitor calibration services” 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 1,398 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 October 28, 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 “multi-parameter gas monitor calibration services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many multi-parameter gas monitor calibration services are there based in the United States?

RevenueBase identified 176 company matches for multi-parameter gas monitor calibration services associated with the United States as of October 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 multi-parameter gas monitor calibration services?

Houston leads with 7 company records, followed by Dallas (3) and Rochester (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 1,398 professional contacts with verified work emails tracked across these 176 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 October 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 176 multi-parameter gas monitor calibration services based in the United States. Start with a free account, no credit card.

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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.