Company lists · Data refreshed September 2026
Top 25 Airlock valve manufacturers worldwide
RevenueBase identified 329 airlock valve manufacturers worldwide as of September 2026 and tracks 6,323 professional contacts across them, including 1,448 with verified work emails. India is the largest market and Ahmedabad the largest hub.
This list covers airlock valve 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 29, 2026. Country and city lists for airlock valve 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 airlock valve manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,151 contacts → | ||||
Partial evidence “L&T Valves • Global leader in industrial valves with an experience of 6 decades • Subsidiary of Larsen & Toubro, USD 21 billion technology and engineering conglomerate • Over 20…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 776 contacts → | ||||
Strong evidence “Velan is one of the world's leading manufacturers of industrial steel valves, recognized as a standard-bearer in quality and innovation.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 252 contacts → | ||||
Partial evidence “Dembla Valves Ltd was incorporated in 1989, an ISO 9001: 2015, API Certified professional organization.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 199 contacts → | ||||
Partial evidence “Milwaukee Valve Company, founded in 1901, is internationally recognized for its state-of-the-art manufacturing facilities and new product innovations covering a wide range of…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 151 contacts → | ||||
Partial evidence “Future-proofing the world of dry bulk solids handling DMN-WESTINGHOUSE is an independent international company that excels in designing and manufacturing high-end rotary valves…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 138 contacts → | ||||
Indirect evidence “Quando o assunto é válvula de controle, a Hiter é sem dúvida a empresa mais lembrada e respeitada do mercado brasileiro.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 124 contacts → | ||||
Strong evidence “Control Devices LLC is a leading manufacturer of high quality valves and industrial parts serving the compressed air, pressure washer, automotive, fluid power, fire protection…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 110 contacts → | ||||
Indirect evidence “Vytl Controls Group specializes in providing innovative flow control solutions for a wide range of industries.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 95 contacts → | ||||
Partial evidence “Leading provider of control valves, safety relief systems, valve automation solutions and services to the Oil & Gas, Refining, Chemical, Power, Water, Pharmaceutical, Mineral…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 94 contacts → | ||||
Strong evidence “HEROSE is one of Europe’s leading manufacturers of valves for industrial applications.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 84 contacts → | ||||
Indirect evidence “Öz-Kan Makina was founded in 1983.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 81 contacts → | ||||
Strong evidence “ZETKAMA is one of the largest manufacturers of industrial valves in Central and Eastern Europe, with two production facilities: a valve manufacturing plant and cast iron foundry…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 77 contacts → | ||||
Partial evidence “Genebre started its activity in 1981 in the market for fluid control valves, and later continued with the internationalization of subsidiaries in Europe, Asia and America.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 76 contacts → | ||||
Partial evidence “Val-Matic Valve & Mfg.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 76 contacts → | ||||
Indirect evidence “Ringo Válvulas is wholly owned subsidiary of the Samson AG group of companies and is located in the modern “Empresarium” industrial estate in Zaragoza (Spain), established in…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 52 contacts → | ||||
Strong evidence “Anval is a global leader in design and manufacturing of valves, feeders and airlocks.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 39 contacts → | ||||
Partial evidence “MT GROUP founded in 2003, is an industrial valve group integrating R&D, production and sales, bringing together more than 800 industry elites, covering gate valves, globe valves…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 38 contacts → | ||||
Strong evidence “IMI Bopp & Reuther designs, manufactures and distributes high quality safety, control and shut off valves.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 38 contacts → | ||||
Partial evidence “At Total Valve and Automation, we specialize in providing cutting-edge solutions for flow control and safety.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 36 contacts → | ||||
Indirect evidence “Welcome to V-Tork Controls!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 35 contacts → | ||||
Partial evidence “At Rotary Airlock LLC, our mission began in 1995 with a simple idea: provide quality airlock solutions with unmatched customer service.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 35 contacts → | ||||
Indirect evidence “Walworth Group is a leading North American industrial organization that integrates companies specializing in manufacturing, engineering, supply, construction, automation…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 32 contacts → | ||||
Partial evidence “At MODU Valves A/S, we’re more than a supplier of ball valves, butterfly valves, actuators, and custom-built solutions – we’re your trusted partner in flow technology.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 28 contacts → | ||||
Partial evidence “Founded in 1918, Williams Valve has continuously produced quality valves for industrial and commercial applications.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 27 contacts → | ||||
Strong evidence “is a company that designs, manufactures and markets standard, and specialised valves.” Source: RevenueBase Database · checked Sep 29, 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: airlock valve 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 airlock valve manufacturers.
- Partial evidence
- Its own public description names part of airlock valve manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name airlock valve 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 329 airlock valve manufacturers worldwide
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Airlock valve manufacturers worldwide at a glance
As of Sep 29, 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 airlock valve 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 airlock valve manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “airlock valve 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 airlock valve 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 airlock valve 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, 1,448 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 29, 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.
Airlock valve manufacturers by location
2 lists · largest firstEvery Airlock valve manufacturers 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 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 airlock valve 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 airlock valve manufacturers are there worldwide?
RevenueBase identified 329 airlock valve 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?
L&t Valves, headquartered in Chennai, tops this list with the largest team on record.
Which country has the most airlock valve manufacturers?
India leads with 63 companies, followed by the United States (55). Every airlock valve manufacturers list by country and city is linked on this page.
Which city has the most airlock valve manufacturers?
Ahmedabad leads with 16 headquartered companies, followed by Mumbai (7) and Wenzhou (7).
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 1,448 verified decision-maker contacts tracked across these 329 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 29, 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.