Company lists · Data refreshed October 2026

Top 25 Hydrogen monitors suppliers based in the United States

RevenueBase identified 95 company matches for hydrogen monitors suppliers associated with the United States as of October 2026 and tracks 1,283 professional contacts across them, including 542 with verified work emails. Ann Arbor is the largest hub.

This list covers company matches for hydrogen monitors 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 October 26, 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 26, 2026 How this list was built
95Companies
1,283Contacts tracked
542Verified emails
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The 25 largest hydrogen monitors suppliers based in the United States

Ranked by team size
Top 25 of 95 company matches for hydrogen monitors suppliers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 26, 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 matchUnion City, CA, United StatesHQ recorded Oct 26, 202651-200110 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
2Exact matchValparaiso, IN, United StatesHQ recorded Oct 26, 202651-20083 contacts →

Exact match

“SENSIT Technologies builds rugged gas detection and emissions monitoring instruments that natural gas utilities, fire and emergency responders, and industrial operators trust when…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
3Exact matchValencia, CA, United StatesHQ recorded Oct 26, 202651-20082 contacts →

Exact match

“H2scan was founded in 2002 and has its headquarters, sales, production and marketing staff in Valencia, California.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
4Exact matchColumbia, MO, United StatesHQ recorded Oct 26, 202651-20074 contacts →

Exact match

“CTI is a leading manufacturer of gas detection equipment for industrial facilities.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
5Exact matchNew Kensington, PA, United StatesHQ recorded Oct 26, 2026201-50073 contacts →

Exact match

“MSA Bacharach is a global leader in the design, manufacture, and service of combustion gas analysis and refrigeration leak detectors, and monitoring instrumentation.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
6Exact matchLake Forest, CA, United StatesHQ recorded Oct 26, 2026201-50070 contacts →

Exact match

“General Monitors has been helping protect people, facilities, and operations with trusted gas and flame detection solutions for decades and was acquired by MSA Safety in 2010.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
7Exact matchMidland, TX, United StatesHQ recorded Oct 26, 202651-20034 contacts →

Exact match

“Shepherd Safety Systems designs, manufactures, and rents asset-to-enterprise technology that detects gas emissions in real time and links remote field operations and office…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
8Exact matchColton, CA, United StatesHQ recorded Oct 26, 202651-20025 contacts →

Exact match

“ECOTEC specializes in the design and development of customized equipment and technology solutions for gas collection, transmission, and treatment systems.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
9Exact matchNewton, NJ, United StatesHQ recorded Oct 26, 202651-20025 contacts →

Exact match

“ASTG- Analytical Science & Technologies Group When gas requirements are critical to your future, ASTG can move you there, today.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
10Exact matchFort Collins, CO, United StatesHQ recorded Oct 26, 202611-5025 contacts →

Exact match

“RLE and Cellwatch are now Parameter.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
11Exact matchBryan, TX, United StatesHQ recorded Oct 26, 202611-5023 contacts →

Exact match

“Otis Instruments, Inc is a leading provider of industrial gas detection solutions designed to protect people, assets, and operations in the world’s most demanding environments.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
12Exact matchCedar Hill, TX, United StatesHQ recorded Oct 26, 202611-5023 contacts →

Exact match

“Gas Clip Technologies provides portable gas detection equipment.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
13Exact matchNorwood, MA, United StatesHQ recorded Oct 26, 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 26, 2026 · View company records in RevenueBase
14Exact matchSioux Falls, SD, United StatesHQ recorded Oct 26, 202611-5019 contacts →

Exact match

“Now a DwyerOmega Brand, Macurco Inc is headquartered in Sioux Falls, South Dakota, Macurco Gas Detection has been providing solutions for the gas detection industry since 1972.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
15Exact matchFairfield, NJ, United StatesHQ recorded Oct 26, 202611-5019 contacts →

Exact match

“Since 1969 Control Instruments Corporation has dedicated their expertise to the industrial community, providing safe and efficient environments for companies worldwide.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
16Exact matchFall River, United StatesHQ recorded Oct 26, 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 26, 2026 · View company records in RevenueBase
17Exact matchSan Jose, CA, United StatesHQ recorded Oct 26, 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 26, 2026 · View company records in RevenueBase
18Exact matchAnn Arbor, MI, United StatesHQ recorded Oct 26, 202611-5014 contacts →

Exact match

“ENMET is a trusted leader in toxic gas detection and air monitoring, protecting people, facilities, and communities for over 50 years.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
19Exact matchTustin, CA, United StatesHQ recorded Oct 26, 202611-5014 contacts →

Exact match

“AMI is a leading provider of best-in-class gas analyzers.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
20Exact matchNewark, CA, United StatesHQ recorded Oct 26, 202611-5014 contacts →

Exact match

“KWJ Engineering is a leading supplier of Gas Detection Instruments and a pioneer in the development of new technology.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
21Exact matchSomerset, NJ, United StatesHQ recorded Oct 26, 202611-5013 contacts →

Exact match

“Airborne Labs International, Inc.(ALI) is a world-recognized, independent, commercial laboratory that is ISO/IEC 17025:2017 Accredited and approved by major international bottlers.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
22Exact matchCincinnati, OH, United StatesHQ recorded Oct 26, 202611-5013 contacts →

Exact match

“Consolidated Analytical Systems (CAS) provides expertise in the design, manufacturing, integration and support of Monitoring Systems for use in ambient air, industrial fence line…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
23Exact matchHumble, TX, United StatesHQ recorded Oct 26, 202611-5012 contacts →

Exact match

“Precision German Engineering with Local US Application Support, Sales, Installation, and Service.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
24Exact matchDemotte, IN, United StatesHQ recorded Oct 26, 20261-1012 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
25Exact matchVirginia Beach, VA, United StatesHQ recorded Oct 26, 202611-5011 contacts →

Exact match

“Provider of Quality Controls, Gas Detection, Peripherals and Interface Devices to the HVAC, Energy Management and Building Automation markets.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase

Showing 25 of 95 hydrogen monitors suppliers based in the United States

See the full list, filter by size, metro and specialty, and access 542 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hydrogen monitors suppliers based in the United States at a glance

As of Oct 26, 2026
42.2%Verified-email coverage
13.5Average contacts per company
11-50Median size (employees)
3.2%Largest-city concentration · Ann Arbor
Oct 26, 2026Page data refreshed

Companies by employee count

1-10
33
11-50
44
51-200
16
201-500
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 95 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 “hydrogen monitors 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 542 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 26, 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 “hydrogen monitors suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hydrogen monitors suppliers are there based in the United States?

RevenueBase identified 95 company matches for hydrogen monitors suppliers 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?

RKI Instruments, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most hydrogen monitors suppliers?

Ann Arbor leads with 3 company records, followed by Buffalo (2) and Caldwell (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 542 professional contacts with verified work emails tracked across these 95 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 26, 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.