Company lists · Data refreshed October 2026

Top 25 Nitrogen sulfide monitors suppliers worldwide

RevenueBase identified 121 company matches for nitrogen sulfide monitors suppliers worldwide as of October 2026 and tracks 1,590 professional contacts across them, including 553 with verified work emails. The United States is the largest market and Ann Arbor the largest hub.

This list covers company matches for nitrogen sulfide monitors suppliers worldwide, 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. Country and city lists for nitrogen sulfide monitors suppliers follow the table.

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
121Companies
1,590Contacts tracked
553Verified emails
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The 25 largest nitrogen sulfide monitors suppliers worldwide

Ranked by team size
Top 25 of 121 company matches for nitrogen sulfide monitors suppliers worldwide, 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 matchUnion City, CA, United StatesHQ recorded Oct 28, 202651-200110 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2Exact matchVapi, IndiaHQ recorded Oct 28, 2026201-50092 contacts →

Exact match

“Started in 1993, Uniphos Envirotronic Private Limited is one of the largest manufacturers of Gas Detection Devices in India with wide range of products all designed and developed…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3Exact matchColumbia, MO, United StatesHQ recorded Oct 28, 202651-20074 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4Exact matchWelwyn Garden City, United KingdomHQ recorded Oct 28, 202651-20072 contacts →

Exact match

“Since 1963, Kane International Ltd has been in Welwyn Garden City, Hertfordshire, and has a long history and broad experience designing and manufacturing portable test equipment.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5Exact matchSt. Petersburg, FL, United StatesHQ recorded Oct 28, 202651-20065 contacts →

Exact match

“Ensuring Health & Safety is Our Mission - We're All In.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6Exact matchSão Paulo, BrazilHQ recorded Oct 28, 202611-5055 contacts →

Exact match

“LEL Ambiental – Segurança em Detecção de Gases Na LEL Ambiental, somos especialistas em soluções para detecção de gases, oferecendo tecnologia de ponta e suporte técnico para…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7Exact matchOttawa, ON, CanadaHQ recorded Oct 28, 202651-20049 contacts →

Exact match

“Welcome to Armstrong Monitoring!”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8Exact matchWatchfield, United KingdomHQ recorded Oct 28, 202611-5031 contacts →

Exact match

“Established in 1976, Shawcity are the UK’s leading specialists in the provision of monitoring instrumentation.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9Exact matchGlasgow, United KingdomHQ recorded Oct 28, 202611-5024 contacts →

Exact match

“Frontline Safety UK Ltd is a national provider of Gas and Environmental Monitoring instrumentation.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10Exact matchBirkenhead, United KingdomHQ recorded Oct 28, 202651-20024 contacts →

Exact match

“In July 2023, A1-CBISS Limited merged with ENVEA UK Limited.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11Exact 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
12Exact matchRecife, BrazilHQ recorded Oct 28, 202611-5021 contacts →

Exact match

“A Máximo SMS é uma empresa especializada em inovação tecnológica e segurança do trabalho, com foco em monitoramento de gases, espaços confinados e soluções em IoT industrial.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13Exact matchMiddlewich, United KingdomHQ recorded Oct 28, 202611-5020 contacts →

Exact match

“Protea Ltd delivers customer focused solutions for process, emission and environmental monitoring applications.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14Exact matchBalcatta, United StatesHQ recorded Oct 28, 202611-5020 contacts →

Exact match

“Encore is a wholly-owned and managed Australian company formed in 1992 and we have been servicing and supplying gas detection equipment since 1997.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15Exact matchHeilbronn, GermanyHQ recorded Oct 28, 202611-5020 contacts →

Exact match

“smartGAS Mikrosensorik GmbH develops and produces reliable, precise and cost-effective Non-Dispersive Infrared (NDIR) gas sensors for a wide range of different applications.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16Exact 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
17Exact matchWarlingham, United KingdomHQ recorded Oct 28, 202611-5015 contacts →

Exact match

“Diteco is a leading source of H2S analysers for the onshore and offshore oil industry.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18Exact matchBanks, United KingdomHQ recorded Oct 28, 202611-5015 contacts →

Exact match

“Your Safety First.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19Exact matchAnn Arbor, MI, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
20Exact matchTustin, CA, United StatesHQ recorded Oct 28, 202611-5014 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21Exact matchNewark, CA, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
22Exact matchCouva, Trinidad and TobagoHQ recorded Oct 28, 202611-5014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23Exact matchDarley Dale, United KingdomHQ recorded Oct 28, 202611-5013 contacts →

Exact match

“CEM SOLUTIONS (UK) LTD Specialists in Continuous Industrial Emissions Monitoring.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24Exact matchCincinnati, OH, United StatesHQ recorded Oct 28, 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 28, 2026 · View company records in RevenueBase
25Exact matchSão Caetano Do Sul, BrazilHQ recorded Oct 28, 202611-5013 contacts →

Exact match

“A AD Equipamentos nasceu em 2012 com o objetivo de fornecer equipamentos na linha de Analisadores de Gases e Detecção de Gases para garantir a integridade de vidas humanas em…”

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

Showing 25 of 121 nitrogen sulfide monitors suppliers worldwide

See the full list, filter by size, metro and specialty, and access 553 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nitrogen sulfide monitors suppliers worldwide at a glance

As of Oct 28, 2026
34.8%Verified-email coverage
13.1Average contacts per company
11-50Median size (employees)
2.5%Largest-city concentration · Ann Arbor
Oct 28, 2026Page data refreshed

Companies by employee count

1-10
43
11-50
54
51-200
18
201-500
5
501-1,000
1

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for nitrogen sulfide monitors suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “nitrogen sulfide 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. 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 553 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.

Nitrogen sulfide monitors suppliers by location

1 lists · largest first

Every Nitrogen sulfide monitors suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “nitrogen sulfide monitors suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nitrogen sulfide monitors suppliers are there worldwide?

RevenueBase identified 121 company matches for nitrogen sulfide monitors suppliers worldwide 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 country has the most nitrogen sulfide monitors suppliers?

The United States leads with 35 companies. Every nitrogen sulfide monitors suppliers list by country and city is linked on this page.

Which city has the most nitrogen sulfide monitors suppliers?

Ann Arbor leads with 3 company records, followed by Mumbai (3) and Rio De Janeiro (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 553 professional contacts with verified work emails tracked across these 121 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.

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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.