Company lists · Data refreshed September 2026

Top 25 Calibration and metrology service providers worldwide

Name: Calibration and metrology service providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 5,945 companies tracked

RevenueBase identified 5,945 calibration and metrology service providers worldwide as of September 2026 and tracks 135,558 professional contacts across them, including 33,344 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers calibration and metrology 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 and metrology 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

5,945Companies

135,558Contacts tracked

33,344Verified emails

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The 25 largest calibration and metrology service providers worldwide

Ranked by team size

Top 25 of 5,945 calibration and metrology service providers worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to calibration and metrology service providers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	SGS	Indirect evidence	Baar, SwitzerlandHQ checked Sep 19, 2026	10001+	60,606 contacts →
	Indirect evidence “SGS is the world’s leading Testing, Inspection and Certification company.” Source: RevenueBase Database · checked Sep 19, 2026
2	Trescal	Partial evidence	Paris, FranceHQ checked Sep 19, 2026	5,001-10,000	3,389 contacts →
	Partial 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, 2026
3	Zeiss Industrial Quality Solutions	Partial evidence	Oberkochen, United StatesHQ checked Sep 19, 2026	1,001-5,000	1,804 contacts →
	Partial evidence “ZEISS Industrial Quality Solutions is a leading manufacturer of multidimensional metrology solutions.” Source: RevenueBase Database · checked Sep 19, 2026
4	Nova LTD	Partial evidence	Rehovot, IsraelHQ checked Sep 19, 2026	1,001-5,000	1,427 contacts →
	Partial evidence “Nova delivers continuous innovation by providing advanced metrology solutions for the semiconductor manufacturing industry.” Source: RevenueBase Database · checked Sep 19, 2026
5	Force Technology	Indirect evidence	Brøndby, DenmarkHQ checked Sep 19, 2026	1,001-5,000	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, 2026
6	Marposs	Partial evidence	Bentivoglio, ItalyHQ checked Sep 19, 2026	1,001-5,000	1,057 contacts →
	Partial evidence “Marposs, leading global supplier of precision metrology equipment for shop-floor inspection, measurement and process control solutions, provides- gauging and compensation systems…” Source: RevenueBase Database · checked Sep 19, 2026
7	Applied Technical Services, LLC	Partial evidence	Marietta, GA, United StatesHQ checked Sep 19, 2026	1,001-5,000	890 contacts →
	Partial evidence “Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.” Source: RevenueBase Database · checked Sep 19, 2026
8	Equinox Labs	Indirect evidence	Navi Mumbai, IndiaHQ checked Sep 19, 2026	1,001-5,000	738 contacts →
	Indirect evidence “We are committed to strengthening safety systems with the most reliable Testing and Auditing Solutions.” Source: RevenueBase Database · checked Sep 19, 2026
9	3c Services S A	Indirect evidence	São Gonçalo, BrazilHQ checked Sep 19, 2026	1,001-5,000	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, 2026
10	Transcat	Partial evidence	Rochester, NY, United StatesHQ checked Sep 19, 2026	501-1,000	673 contacts →
	Partial 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, 2026
11	Camtek	Partial evidence	Migdal Ha'emek, IsraelHQ checked Sep 19, 2026	501-1,000	598 contacts →
	Partial evidence “Camtek is a leading manufacturer of metrology and inspection equipment and a provider of software solutions serving the Advanced Packaging, Memory, CMOS Image Sensors, MEMS, RF…” Source: RevenueBase Database · checked Sep 19, 2026
12	Semilab ZRT	Partial evidence	Budapest, HungaryHQ checked Sep 19, 2026	1,001-5,000	592 contacts →
	Partial evidence “SEMILAB provides state-of-the-art metrology solutions for semiconductor device manufacturers, both in-line and R&D segments, and is a strategic metrology supplier of leading wafer…” Source: RevenueBase Database · checked Sep 19, 2026
13	Micro Precision Calibration	Partial evidence	Grass Valley, CA, United StatesHQ checked Sep 19, 2026	201-500	480 contacts →
	Partial 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, 2026
14	ZYGO	Partial evidence	Middlefield, CT, United StatesHQ checked Sep 19, 2026	501-1,000	451 contacts →
	Partial evidence “Zygo is the global leader in the design and manufacture of advanced optical metrology systems and ultra-precise optical components and assemblies.” Source: RevenueBase Database · checked Sep 19, 2026
15	SPL	Indirect evidence	Houston, United StatesHQ checked Sep 19, 2026	501-1,000	442 contacts →
	Indirect evidence “SPL is a leading provider of compliance and testing services for Environmental, Energy, and other end markets.” Source: RevenueBase Database · checked Sep 19, 2026
16	Mitutoyo America Corporation	Partial evidence	Aurora, IL, United StatesHQ checked Sep 19, 2026	201-500	435 contacts →
	Partial 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, 2026
17	Nikon Metrology	Partial evidence	Leuven, BelgiumHQ checked Sep 19, 2026	501-1,000	433 contacts →
	Partial evidence “Nikon Metrology - part of the Nikon group - offers an innovative metrology product portfolio, including optical inspection and mechanical 3D metrology solutions complemented with…” Source: RevenueBase Database · checked Sep 19, 2026
18	Industrial Physics	Indirect evidence	New Albany, IN, United StatesHQ checked Sep 19, 2026	201-500	430 contacts →
	Indirect evidence “At Industrial Physics, we protect the integrity of quality control, R&D, and operations experts across various industries.” Source: RevenueBase Database · checked Sep 19, 2026
19	Simco Electronics	Partial evidence	Santa Clara, CA, United StatesHQ checked Sep 19, 2026	201-500	391 contacts →
	Partial 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, 2026
20	Technical Safety Services	Partial evidence	San Diego, CA, United StatesHQ checked Sep 19, 2026	501-1,000	386 contacts →
	Partial 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, 2026
21	Conaut	Indirect evidence	Embu Das Artes, BrazilHQ checked Sep 19, 2026	201-500	349 contacts →
	Indirect evidence “Founded in 1962, CONAUT is today a reference in the automation and instrumentation segments, operating in various industrial segments.” Source: RevenueBase Database · checked Sep 19, 2026
22	Oorja Technical Services Pvt. LTD	Indirect evidence	Indore, IndiaHQ checked Sep 19, 2026	201-500	274 contacts →
	Indirect evidence “Oorja Technical Services Pvt.” Source: RevenueBase Database · checked Sep 19, 2026
23	Baker Gauges India Pvt. LTD	Indirect evidence	Pune, IndiaHQ checked Sep 19, 2026	501-1,000	257 contacts →
	Indirect evidence “Baker Gauges India Pvt.” Source: RevenueBase Database · checked Sep 19, 2026
24	SE Laboratories	Partial evidence	United StatesHQ checked Sep 19, 2026	51-200	253 contacts →
	Partial 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, 2026
25	Yadav Measurements Pvt. LTD	Indirect evidence	Udaipur, IndiaHQ checked Sep 19, 2026	201-500	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, 2026

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 and metrology 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 and metrology service providers.
Partial evidence: Its own public description names part of calibration and metrology 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 and metrology 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 5,945 calibration and metrology service providers worldwide

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Calibration and metrology service providers worldwide at a glance

As of Sep 19, 2026

24.6%Verified-email coverage

22.8Average contacts per company

11-50Median size (employees)

1.9%Largest-city concentration · Sao Paulo

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

2,754

11-50

2,275

51-200

685

201-500

126

501-1,000

1,001-5,000

5,001-10,000

10001+

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 and metrology 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 and metrology service providers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “calibration and metrology 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 and metrology 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 and metrology 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, 33,344 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 and metrology service providers by location

27 lists · largest first

Every Calibration and metrology service providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 and metrology 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 and metrology service providers are there worldwide?

RevenueBase identified 5,945 calibration and metrology 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?

SGS, headquartered in Baar, tops this list with the largest team on record.

Which country has the most calibration and metrology service providers?

The United States leads with 794 companies, followed by India (592) and Brazil (585). Every calibration and metrology service providers list by country and city is linked on this page.

Which city has the most calibration and metrology service providers?

Sao Paulo leads with 110 headquartered companies, followed by Pune (59) and Chennai (50).

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 33,344 verified decision-maker contacts tracked across these 5,945 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.