Company lists · Data refreshed November 2026

Top 25 Ultra high vacuum valve suppliers worldwide

RevenueBase identified 259 company matches for ultra high vacuum valve suppliers worldwide as of November 2026 and tracks 6,785 professional contacts across them, including 1,409 with verified work emails. The United States is the largest market and Wenzhou the largest hub.

This list covers company matches for ultra high vacuum valve 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 November 3, 2026. Country and city lists for ultra high vacuum valve 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 Nov 3, 2026 How this list was built
259Companies
6,785Contacts tracked
1,409Verified emails
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The 25 largest ultra high vacuum valve suppliers worldwide

Ranked by team size
Top 25 of 259 company matches for ultra high vacuum valve suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 3, 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 matchHaag, NetherlandsHQ recorded Nov 3, 20261,001-5,0001,763 contacts →

Exact match

“We change the world with vacuum solutions – that is our purpose as the world’s leading supplier of high-end vacuum valves.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
2Exact matchChennai, IndiaHQ recorded Nov 3, 2026501-1,0001,228 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
3Exact matchJefferson Hills, United StatesHQ recorded Nov 3, 2026201-500423 contacts →

Exact match

“The Kurt J.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
4Exact matchNoida Phase 2, IndiaHQ recorded Nov 3, 2026201-500289 contacts →

Exact match

“Advance Valves is a technology-driven organization revolutionizing the global valve industry.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
5Exact matchThane, IndiaHQ recorded Nov 3, 202651-200277 contacts →

Exact match

“Dembla Valves Ltd was incorporated in 1989, an ISO 9001: 2015, API Certified professional organization.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
6Exact matchSuzhou, ChinaHQ recorded Nov 3, 20261,001-5,000179 contacts →

Exact match

“Neway Valve: One of the world’s leading industrial valve manufacturers, specializing in the R&D and production of industrial valves.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
7Exact matchBad Oldesloe, GermanyHQ recorded Nov 3, 2026201-500103 contacts →

Exact match

“HEROSE is one of Europe’s leading manufacturers of valves for industrial applications.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
8Exact matchHailsham, United KingdomHQ recorded Nov 3, 202651-20083 contacts →

Exact match

“VACGEN is the world's premier supplier of vacuum components to industry, education, research and development, and the scientific community.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
9Exact matchLake Charles, LA, United StatesHQ recorded Nov 3, 2026n/a72 contacts →

Exact match

“Caliber Valve & Controls is a valve and services provider in the industrial manufacturing industry.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
10Exact matchWilliston, FL, United StatesHQ recorded Nov 3, 202651-20070 contacts →

Exact match

“Manufacturer of high and ultra-high vacuum components since 1965, ANCORP offers an extensive line of vacuum hardware, valves, chambers, and custom fabrications to researchers…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
11Exact matchSilverwater, AustraliaHQ recorded Nov 3, 202651-20064 contacts →

Exact match

“Powerflo are importers and manufacturers of high quality Control, Safety and Isolation Valves and Process Instruments for every industry, involving the measurement or control of…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
12Exact matchKolkata, IndiaHQ recorded Nov 3, 2026201-50064 contacts →

Exact match

“Your Preferred Solution Provider for Gas Cylinder Valves Established in 1971 and proudly family owned, Tekno Valves is globally recognized as India’s leading manufacturer of gas…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
13Exact matchIserlohn, GermanyHQ recorded Nov 3, 202651-20050 contacts →

Exact match

“We are a global operating company in high pressure valve technology based in Iserlohn, Germany.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
14Exact matchBrighouse, United KingdomHQ recorded Nov 3, 202651-20046 contacts →

Exact match

“Founded in the United Kingdom September 1977, Alco Valves Ltd.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
15Exact matchFremont, CA, United StatesHQ recorded Nov 3, 202611-5030 contacts →

Exact match

“Duniway Stockroom Corporation, founded by Ralph Duniway in 1976, is a manufacturer and distributor of Ultra-high vacuum equipment and components.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
16Exact matchRuffec, FranceHQ recorded Nov 3, 2026201-50026 contacts →

Exact match

“Founded in 1921 and based in France, Valco Group representing the leading specialised valve brands : SNRI, VVS and MALBRANQUE brands.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
17Exact matchBerlin, GermanyHQ recorded Nov 3, 202611-5023 contacts →

Exact match

“Allectra is a leading manufacturer and supplier of HV (high vacuum) and UHV (ultra high vacuum) components including custom items.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
18Exact matchWertheim, GermanyHQ recorded Nov 3, 20261,001-5,00023 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
19Exact matchBallarat, AustraliaHQ recorded Nov 3, 202651-20022 contacts →

Exact match

“John Valves offers a wide variety of valve types, including gate, globe, check, butterfly, level control, air release, and parallel slide valves.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
20Exact matchSt Leonards On Sea, United KingdomHQ recorded Nov 3, 202651-20022 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
21Exact matchYreka, CA, United StatesHQ recorded Nov 3, 2026201-50022 contacts →

Exact match

“Precision high and ultra-high industrial vacuum systems depend on a series of intricate, complex components that are critical to the integrity of your vacuum system applications.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
22Exact matchNashua, NH, United StatesHQ recorded Nov 3, 20261-1021 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
23Exact matchMumbai, IndiaHQ recorded Nov 3, 202651-20019 contacts →

Exact match

“GLOBAL VALVES & FITTINGS (INDIA) PVT.”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
24Exact matchSchio, ItalyHQ recorded Nov 3, 202611-5018 contacts →

Exact match

“Alca Technology Srl è stata costituita nel con lo scopo di progettare, costruire e collaudare componenti ed impianti per la ricerca scientifica e per i più qualificati settori…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase
25Exact matchCoimbatore, IndiaHQ recorded Nov 3, 202611-5018 contacts →

Exact match

“Engineered Valve Products is a company conceived and established by experienced industry technocrats with the notion of providing state of the art assembly, testing &…”

Recorded in the RevenueBase company graph · Nov 3, 2026 · View company records in RevenueBase

Showing 25 of 259 ultra high vacuum valve suppliers worldwide

See the full list, filter by size, metro and specialty, and access 1,409 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ultra high vacuum valve suppliers worldwide at a glance

As of Nov 3, 2026
20.8%Verified-email coverage
26.2Average contacts per company
11-50Median size (employees)
2.7%Largest-city concentration · Wenzhou
Nov 3, 2026Page data refreshed

Companies by employee count

1-10
83
11-50
82
51-200
51
201-500
26
501-1,000
5
1,001-5,000
7

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 ultra high vacuum valve suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “ultra high vacuum valve 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 1,409 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 November 3, 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.

Ultra high vacuum valve suppliers by location

2 lists · largest first

Every Ultra high vacuum valve 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 “ultra high vacuum valve suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ultra high vacuum valve suppliers are there worldwide?

RevenueBase identified 259 company matches for ultra high vacuum valve suppliers worldwide as of November 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?

VAT Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most ultra high vacuum valve suppliers?

The United States leads with 46 companies, followed by India (29). Every ultra high vacuum valve suppliers list by country and city is linked on this page.

Which city has the most ultra high vacuum valve suppliers?

Wenzhou leads with 7 company records, followed by Houston (5) and Mumbai (4).

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 1,409 professional contacts with verified work emails tracked across these 259 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 November 3, 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.