Company lists · Data refreshed September 2026
Top 25 Calibration service providers worldwide
RevenueBase identified 3,642 calibration service providers worldwide as of September 2026 and tracks 41,558 professional contacts across them, including 8,711 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.
This list covers calibration service providers 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 19, 2026. Country and city lists for calibration service providers 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 calibration service providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,389 contacts → | ||||
Strong evidence “As the global leader in calibration services, we provide precision calibration expertise in every industry, geography and instrument across the world.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,071 contacts → | ||||
Indirect evidence “Force Technology is a technology consultancy and service company which strives to create positive technological change and make the world more sustainable and safer.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 890 contacts → | ||||
Strong evidence “Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 695 contacts → | ||||
Indirect evidence “Há 15 anos calibrando o Brasil com mais de 12 mil equipamentos calibrados em nosso portfólio e mais de 20 anos de experiência no mercado de energia elétrica atuando com…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 673 contacts → | ||||
Strong evidence “At Transcat, we are the global leader in test and measurement equipment and calibration services for highly technical industries, including life sciences, power generation…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 480 contacts → | ||||
Strong evidence “Micro Precision Calibration is a global leader offering customers around the world an easy path to instrument calibration services, standards compliance testing, equipment repair…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 435 contacts → | ||||
Indirect evidence “The world’s largest metrology company was founded in 1934 by Yehan Numata with one product – the micrometer.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 391 contacts → | ||||
Strong evidence “SIMCO Electronics is a leading provider of calibration, repair, and software services for manufacturing, life science, and technology organizations.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 386 contacts → | ||||
Strong evidence “Technical Safety Services is a leading compliance, calibration and certification service provider for laboratories, hospitals, and pharmacies with locations across the United…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 274 contacts → | ||||
Indirect evidence “Oorja Technical Services Pvt.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 253 contacts → | ||||
Strong evidence “Founded in 1978, SE Laboratories is committed to providing the industry with quality test equipment calibration, repair, and preventative maintenance.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 250 contacts → | ||||
Indirect evidence “YMPL offers its customers the benefits of fast turnaround time and traceable, trustworthy certificates at competitive prices for its services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 243 contacts → | ||||
Strong evidence “Since its founding in 1975, Beamex has been a trusted partner for calibration excellence, helping its customers to continuously improve efficiency, ensure compliance, and increase…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 235 contacts → | ||||
Indirect evidence “For over 40 years ENV Services, Inc.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 198 contacts → | ||||
Strong evidence “PCI provides calibration, commissioning, and consulting solutions for the life sciences industry.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 174 contacts → | ||||
Indirect evidence “Sürdürülebilirlik Ve Kalite Hizmet kalitemizin sürdürülebilirliğinin sağlanması en önemli sorumluluklarımızın başında gelmektedir.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 169 contacts → | ||||
Strong evidence “Hanley Calibration was established in 1992 to provide Calibration and Commissioning services to the Pharmaceutical, Biotechnology and Medical Device industries.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 163 contacts → | ||||
Indirect evidence “Servimeters is a conformity evaluation company with more than 15 years experience, certified by the Colombian National Certification Body (CNCB) that thereby guarantees the…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 154 contacts → | ||||
Indirect evidence “Somos una compañía líder dedicada al universo de la #MetrologíaIndustrial, con sólida presencia en el mercado nacional e internacional y con instalaciones en Querétaro…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 145 contacts → | ||||
Indirect evidence “L’expérience et le savoir-faire : Dans votre région, PRECIA-MOLEN et sa filiale PRECIA-MOLEN SERVICE associent leur savoir-faire et leurs compétences dans la fourniture et…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 144 contacts → | ||||
Indirect evidence “MSI-Viking Gage is a leading supplier of precision measuring technologies representing the world's leading metrology and automation suppliers - including Hexagon, Mitutoyo…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 139 contacts → | ||||
Indirect evidence “LABELO is the complex of Specialized Laboratories in Electro-Electronics of PUCRS.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 127 contacts → | ||||
Indirect evidence “Fox Valley Metrology is a partner to the Quality Assurance Departments of thousands of organizations worldwide.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 127 contacts → | ||||
Strong evidence “Since 1967, Rothe has delivered precision-driven solutions in calibration & metrology, engineering, and IT services to a wide range of commercial and industrial sectors.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 114 contacts → | ||||
Strong 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 19, 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: calibration service providers. 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 calibration service providers.
- Partial evidence
- Its own public description names part of calibration service providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name calibration service providers. 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 3,642 calibration service providers worldwide
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Calibration service providers worldwide at a glance
As of Sep 19, 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 calibration service providers, 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 calibration service providers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “calibration service providers”. 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 calibration service providers), 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 calibration service providers, 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, 8,711 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 19, 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.
Calibration service providers by location
19 lists · largest firstEvery Calibration service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Calibration service providers based in the United States547
- Calibration service providers based in Brazil399
- Calibration service providers based in India351
- Calibration service providers based in Mexico163
- Calibration service providers based in the United Kingdom140
- Calibration service providers based in Germany116
- Calibration service providers based in Italy106
- Calibration service providers based in Colombia105
- Calibration service providers based in France99
- Calibration service providers based in Türkiye70
- Calibration service providers based in Spain67
- Calibration service providers based in Canada63
- Calibration service providers based in Australia60
- Calibration service providers based in Argentina59
- Calibration service providers based in the United Arab Emirates45
- Calibration service providers based in Saudi Arabia39
- Calibration service providers based in Poland35
- Calibration service providers based in the Netherlands33
- Calibration service providers based in Switzerland25
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 calibration service providers, 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 calibration service providers are there worldwide?
RevenueBase identified 3,642 calibration service providers 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?
Trescal, headquartered in Paris, tops this list with the largest team on record.
Which country has the most calibration service providers?
The United States leads with 547 companies, followed by Brazil (399) and India (351). Every calibration service providers list by country and city is linked on this page.
Which city has the most calibration service providers?
Sao Paulo leads with 78 headquartered companies, followed by Bogota (36) and Chennai (27).
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 8,711 verified decision-maker contacts tracked across these 3,642 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 19, 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.