Company lists · Data refreshed September 2026
Top 25 Atmospheric testing equipment manufacturers worldwide
RevenueBase identified 914 atmospheric testing equipment manufacturers worldwide as of September 2026 and tracks 16,177 professional contacts across them, including 5,156 with verified work emails. The United States is the largest market and Mumbai the largest hub.
This list covers atmospheric testing equipment manufacturers worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 30, 2026. Country and city lists for atmospheric testing equipment manufacturers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest atmospheric testing equipment manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,211 contacts → | ||||
Indirect evidence “TSI Incorporated serves a global market by investigating, identifying and solving measurement problems.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,017 contacts → | ||||
Indirect evidence “INFICON is a leading provider of innovative instrumentation, critical sensor technologies, and Smart Manufacturing/Industry 4.0 software solutions that enhance productivity and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 703 contacts → | ||||
Partial evidence “PAC, Precision Analyzer Company, is a leading global manufacturer of advanced analytical instruments for the aviation, renewable fuel, process, petrochemical, hydrocarbon…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 639 contacts → | ||||
Indirect evidence “ENVEA: Elevating Standards.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 560 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 284 contacts → | ||||
Indirect evidence “The world expert in gas analysis, Servomex has established itself as the leading provider of reliable, accurate, and stable gas measurement solutions to industries across the…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 247 contacts → | ||||
Indirect evidence “We are a specialist Gas Analytical company, delivering integrated and engineered solutions to Large & Mid-size Industries for Process Optimization, Safety & Continuous Emission…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 244 contacts → | ||||
Indirect evidence “ELICO established in 1960, enjoys the distinction of being a Pioneer in the Analytical Instrumentation manufacturing sector in India.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 213 contacts → | ||||
Indirect evidence “SWAN Environmental Pvt.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 211 contacts → | ||||
Indirect evidence “Somos a maior fabricante brasileira de Instrumentação Analítica e especialistas em Análises Ambientais, com mais de 46 anos de história.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 169 contacts → | ||||
Indirect evidence “Chemtrols Industries is a leading solutions provider in the fields of Process Analytics, Continuous Emission Monitoring Systems, Ambient Air Quality Monitoring Systems, Gas…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 164 contacts → | ||||
Partial evidence “METER Group designs and manufactures scientific instrumentation that delivers real-time, environmental data to the agricultural, urban, and research sectors.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 154 contacts → | ||||
Strong evidence “Since 1919, we are a leading manufacturer of environmental testing equipment for water and soil.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 136 contacts → | ||||
Indirect evidence “LI-COR is a leader in environmental measurement and monitoring solutions.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 131 contacts → | ||||
Indirect evidence “Since 1946, Hoskin Scientific has been the Canadian leader for supplier of environmental, geotechnical, and industrial instrumentation.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 120 contacts → | ||||
Indirect evidence “Oizom is an Environmental Solution Company.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 114 contacts → | ||||
Indirect evidence “Autocontrol Process Instrumentation (API) comes from Autocontrol Technologies, a company founded in 1994 in Italy and specialized in automatic sampling systems for crude oil…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 114 contacts → | ||||
Indirect evidence “Nagman is a 3 decade old Instrumentation company based in Chennai, India manufacturing & marketing Portable Temperature, Pressure & Signal Calibrators, Calibration Hand Pumps…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 111 contacts → | ||||
Indirect evidence “NETEL (INDIA) Limited, a part of Neterwala Group of Companies is one of the leading organizations in India in the field of Analytical Instruments, Environmental Instruments…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 97 contacts → | ||||
Indirect evidence “At Syft Technologies we provide our customers with tailored solutions and trusted data to solve complex analytical challenges.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 97 contacts → | ||||
Indirect evidence “HORIBA UK Limited, part of the HORIBA Group of worldwide companies, provides an extensive array of instruments and systems for applications ranging from automotive R&D, process…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 91 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 88 contacts → | ||||
Partial evidence “OPSIS AB develops, manufactures, and sells instruments and software for monitoring air quality and gas emissions in both ambient environments and industrial processes.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 85 contacts → | ||||
Indirect evidence “HOBO® Data Loggers, now a part of LI-COR Environmental, has been delivering award-winning environmental monitoring solutions since 1981.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 84 contacts → | ||||
Indirect evidence “Nielsen-Kellerman, Inc.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: atmospheric testing equipment manufacturers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names atmospheric testing equipment manufacturers.
- Partial evidence
- Its own public description names part of atmospheric testing equipment manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name atmospheric testing equipment manufacturers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 914 atmospheric testing equipment manufacturers worldwide
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Atmospheric testing equipment manufacturers worldwide at a glance
As of Sep 30, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among atmospheric testing equipment manufacturers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for atmospheric testing equipment manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “atmospheric testing equipment manufacturers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names atmospheric testing equipment manufacturers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among atmospheric testing equipment manufacturers, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 5,156 across the full list. 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 September 30, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Atmospheric testing equipment manufacturers by location
7 lists · largest firstEvery Atmospheric testing equipment manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Atmospheric testing equipment manufacturers based in the United States155
- Atmospheric testing equipment manufacturers based in India93
- Atmospheric testing equipment manufacturers based in the United Kingdom53
- Atmospheric testing equipment manufacturers based in Germany43
- Atmospheric testing equipment manufacturers based in Brazil41
- Atmospheric testing equipment manufacturers based in France40
- Atmospheric testing equipment manufacturers based in Italy38
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names atmospheric testing equipment manufacturers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many atmospheric testing equipment manufacturers are there worldwide?
RevenueBase identified 914 atmospheric testing equipment manufacturers worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
TSI Incorporated, headquartered in Shoreview, tops this list with the largest team on record.
Which country has the most atmospheric testing equipment manufacturers?
The United States leads with 155 companies, followed by India (93) and the United Kingdom (53). Every atmospheric testing equipment manufacturers list by country and city is linked on this page.
Which city has the most atmospheric testing equipment manufacturers?
Mumbai leads with 12 headquartered companies, followed by Hyderabad (9) and New Delhi (9).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 5,156 verified decision-maker contacts tracked across these 914 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 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 Smart Search, 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.