Company lists · Data refreshed October 2026

Top 25 Gas leak calibrating services worldwide

RevenueBase identified 869 company matches for gas leak calibrating services worldwide as of October 2026 and tracks 14,419 professional contacts across them, including 3,568 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for gas leak calibrating services 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 26, 2026. Country and city lists for gas leak calibrating services 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 26, 2026 How this list was built
869Companies
14,419Contacts tracked
3,568Verified emails
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The 25 largest gas leak calibrating services worldwide

Ranked by team size
Top 25 of 869 company matches for gas leak calibrating services worldwide, 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 matchParis, FranceHQ recorded Oct 26, 20265,001-10,0003,599 contacts →

Exact match

“As the global leader in calibration services, we provide precision calibration expertise in every industry, geography and instrument across the world.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
2Exact matchRochester, NY, United StatesHQ recorded Oct 26, 2026501-1,000698 contacts →

Exact match

“At Transcat, we are the global leader in test and measurement equipment and calibration services for highly technical industries, including life sciences, power generation…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
3Exact matchGrass Valley, CA, United StatesHQ recorded Oct 26, 2026201-500513 contacts →

Exact match

“Micro Precision Calibration is a global leader offering customers around the world an easy path to instrument calibration services, standards compliance testing, equipment repair…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
4Exact matchUdaipur, IndiaHQ recorded Oct 26, 2026201-500251 contacts →

Exact match

“YMPL offers its customers the benefits of fast turnaround time and traceable, trustworthy certificates at competitive prices for its services.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
5Exact matchHatfield, PA, United KingdomHQ recorded Oct 26, 202651-200240 contacts →

Exact match

“For over 40 years ENV Services, Inc.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
6Exact matchRotterdam Havens, NetherlandsHQ recorded Oct 26, 2026n/a180 contacts →

Exact match

“Kwaliteit Gasmeting Nederland BV (KGN) was founded in 2011 to check if containers arriving to the port of Rotterdam contain fumigants/pesticides and -/or production gasses in…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
7Exact matchUnited StatesHQ recorded Oct 26, 2026201-500115 contacts →

Exact match

“Atuando no mercado nacional desde 2002 a TEXCAL Indústria Comércio e Serviços Ltda é uma empresa especializada na prestação de serviços técnicos industriais e conta com equipes de…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchIpatinga, BrazilHQ recorded Oct 26, 202651-200109 contacts →

Exact match

“A Metrominas é especialista e referência no mercado de venda, calibração, manutenção e locação de detectores de gases, equipamentos de proteção essenciais no dia a dia de…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
10Exact matchIstanbul, TürkiyeHQ recorded Oct 26, 202651-200105 contacts →

Exact match

“UGETAM is a company based in Turkey.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
11Exact matchFort Worth, TX, United StatesHQ recorded Oct 26, 2026201-500101 contacts →

Exact match

“For over 25 years, Sentinel-TDS, based in Dallas/Ft.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
12Exact matchChesapeake, VA, United StatesHQ recorded Oct 26, 202651-20095 contacts →

Exact match

“Every Measurement Matters.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
13Exact matchMacaé, BrazilHQ recorded Oct 26, 202651-20095 contacts →

Exact match

“A RioFlow é o maior complexo de calibração de vazão da América Latina, dedicado a fornecer serviços de qualidade excepcional para a indústria de Óleo & Gás.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
14Exact 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
15Exact 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
16Exact matchVantaa, FinlandHQ recorded Oct 26, 202651-20074 contacts →

Exact match

“Gasmet provides innovative gas analysis solutions that empower industries, researchers, and regulators to make informed decisions for a cleaner, safer world.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
17Exact 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
18Exact matchWelwyn Garden City, United KingdomHQ recorded Oct 26, 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 26, 2026 · View company records in RevenueBase
19Exact matchGütersloh, GermanyHQ recorded Oct 26, 2026201-50071 contacts →

Exact match

“Hermann Sewerin GmbH Technology leader for gas and water leak detection equipment The Sewerin group of companies is an internationally successful, family owned group with its…”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
20Exact matchVista, CA, United StatesHQ recorded Oct 26, 202611-5068 contacts →

Exact match

“Techmaster was established in 1989 with the mission to provide calibrations performed through sound, ethical workmanship and to accommodate customer satisfaction.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
21Exact matchDammam, Saudi ArabiaHQ recorded Oct 26, 202651-20062 contacts →

Exact match

“MT-Enterprises are offering calibration, Mechanical, Electrical, Bolting and Hydrotest services.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
22Exact matchSao Paulo, BrazilHQ recorded Oct 26, 202651-20059 contacts →

Exact match

“Desde 2007, a Yorgos Ambiental trabalha para tornar o ambiente de trabalho mais seguro e protegido.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
23Exact matchPiracicaba, BrazilHQ recorded Oct 26, 202651-20057 contacts →

Exact match

“A Aferitec está no mercado de calibração e ensaio desde 1994.”

Recorded in the RevenueBase company graph · Oct 26, 2026 · View company records in RevenueBase
24Exact matchSão Paulo, BrazilHQ recorded Oct 26, 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 26, 2026 · View company records in RevenueBase
25Exact matchStockton-on-tees, United KingdomHQ recorded Oct 26, 202651-20053 contacts →

Exact match

“PASS Limited offers a comprehensive solution for customers including test equipment, training and calibration.”

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

Showing 25 of 869 gas leak calibrating services worldwide

See the full list, filter by size, metro and specialty, and access 3,568 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Gas leak calibrating services worldwide at a glance

As of Oct 26, 2026
24.7%Verified-email coverage
16.6Average contacts per company
11-50Median size (employees)
1.8%Largest-city concentration · Sao Paulo
Oct 26, 2026Page data refreshed

Companies by employee count

1-10
385
11-50
354
51-200
104
201-500
13
501-1,000
5
1,001-5,000
3
5,001-10,000
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 gas leak calibrating services are linked below.
What qualifies
Company records worldwide whose business descriptions match “gas leak calibrating services” 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 3,568 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.

Gas leak calibrating services by location

5 lists · largest first

Every Gas leak calibrating services 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 “gas leak calibrating services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many gas leak calibrating services are there worldwide?

RevenueBase identified 869 company matches for gas leak calibrating services 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?

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

Which country has the most gas leak calibrating services?

The United States leads with 143 companies, followed by Brazil (96) and India (67). Every gas leak calibrating services list by country and city is linked on this page.

Which city has the most gas leak calibrating services?

Sao Paulo leads with 16 company records, followed by Singapore (10) and Rio De Janeiro (8).

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 3,568 professional contacts with verified work emails tracked across these 869 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.