Company lists · Data refreshed September 2026

Top 25 Instrument calibration services worldwide

Name: Instrument calibration services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 4,943 companies tracked

RevenueBase identified 4,943 instrument calibration services worldwide as of September 2026 and tracks 63,638 professional contacts across them, including 16,224 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers instrument calibration services 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 20, 2026. Country and city lists for instrument calibration services 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 20, 2026 86% judged on-target in blind review

4,943Companies

63,638Contacts tracked

16,224Verified emails

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The 25 largest instrument calibration services worldwide

Ranked by team size

Top 25 of 4,943 instrument calibration services worldwide, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to instrument calibration services: 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	Mettler-Toledo International, INC	Partial evidence	Greifensee, SwitzerlandHQ checked Sep 20, 2026	10001+	9,097 contacts →
	Partial evidence “At METTLER TOLEDO, our mission is to empower industries worldwide with precision instruments and services that drive progress toward a better and more #sustainable future.” Source: RevenueBase Database · checked Sep 20, 2026
2	Trescal	Strong evidence	Paris, FranceHQ checked Sep 20, 2026	5,001-10,000	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 20, 2026
3	Force Technology	Indirect evidence	Brøndby, DenmarkHQ checked Sep 20, 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 20, 2026
4	3c Services S A	Indirect evidence	São Gonçalo, BrazilHQ checked Sep 20, 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 20, 2026
5	Transcat	Partial evidence	Rochester, NY, United StatesHQ checked Sep 20, 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 20, 2026
6	Micro Precision Calibration	Strong evidence	Grass Valley, CA, United StatesHQ checked Sep 20, 2026	201-500	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 20, 2026
7	Mitutoyo America Corporation	Indirect evidence	Aurora, IL, United StatesHQ checked Sep 20, 2026	201-500	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 20, 2026
8	Brooks Instrument	Indirect evidence	Hatfield, PA, United KingdomHQ checked Sep 20, 2026	501-1,000	416 contacts →
	Indirect evidence “Process control is the key to taking your production beyond ordinary and achieving new levels of performance.” Source: RevenueBase Database · checked Sep 20, 2026
9	Simco Electronics	Partial evidence	Santa Clara, CA, United StatesHQ checked Sep 20, 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 20, 2026
10	Technical Safety Services	Partial evidence	San Diego, CA, United StatesHQ checked Sep 20, 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 20, 2026
11	Conaut	Partial evidence	Embu Das Artes, BrazilHQ checked Sep 20, 2026	201-500	349 contacts →
	Partial 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 20, 2026
12	Oorja Technical Services Pvt. LTD	Indirect evidence	Indore, IndiaHQ checked Sep 20, 2026	201-500	274 contacts →
	Indirect evidence “Oorja Technical Services Pvt.” Source: RevenueBase Database · checked Sep 20, 2026
13	Baker Gauges India Pvt. LTD	Indirect evidence	Pune, IndiaHQ checked Sep 20, 2026	501-1,000	257 contacts →
	Indirect evidence “Baker Gauges India Pvt.” Source: RevenueBase Database · checked Sep 20, 2026
14	SE Laboratories	Partial evidence	United StatesHQ checked Sep 20, 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 20, 2026
15	Yadav Measurements Pvt. LTD	Indirect evidence	Udaipur, IndiaHQ checked Sep 20, 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 20, 2026
16	KPM Analytics	Partial evidence	Westborough, MA, United StatesHQ checked Sep 20, 2026	201-500	244 contacts →
	Partial evidence “KPM Analytics is a global leader in analytical instrumentation primarily focused on analyzing critical parameters within the food, agriculture, clinical and environmental sectors.” Source: RevenueBase Database · checked Sep 20, 2026
17	Beamex	Partial evidence	Pietarsaari, FinlandHQ checked Sep 20, 2026	201-500	243 contacts →
	Partial 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 20, 2026
18	ENV Services	Indirect evidence	Hatfield, PA, United KingdomHQ checked Sep 20, 2026	51-200	235 contacts →
	Indirect evidence “For over 40 years ENV Services, Inc.” Source: RevenueBase Database · checked Sep 20, 2026
19	PCI	Partial evidence	Raleigh, NC, United StatesHQ checked Sep 20, 2026	51-200	198 contacts →
	Partial evidence “PCI provides calibration, commissioning, and consulting solutions for the life sciences industry.” Source: RevenueBase Database · checked Sep 20, 2026
20	Everest Instruments Pvt. LTD	Partial evidence	Ahmedabad, IndiaHQ checked Sep 20, 2026	201-500	178 contacts →
	Partial evidence “Everest Instruments Pvt.” Source: RevenueBase Database · checked Sep 20, 2026
21	Nanolab Laboratuvarlar Grubu	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 20, 2026	201-500	174 contacts →
	Indirect evidence “Sürdürülebilirlik Ve Kalite Hizmet kalitemizin sürdürülebilirliğinin sağlanması en önemli sorumluluklarımızın başında gelmektedir.” Source: RevenueBase Database · checked Sep 20, 2026
22	Hanley Calibration	Partial evidence	Little Island, IrelandHQ checked Sep 20, 2026	201-500	169 contacts →
	Partial 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 20, 2026
23	Servimeters	Indirect evidence	Bógotá, ColombiaHQ checked Sep 20, 2026	201-500	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 20, 2026
24	Grupo Mess Servicios Metrológicos	Indirect evidence	Querétaro, MexicoHQ checked Sep 20, 2026	51-200	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 20, 2026
25	Precia Molen Service	Indirect evidence	Privas, FranceHQ checked Sep 20, 2026	201-500	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 20, 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: instrument calibration services. 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 instrument calibration services.
Partial evidence: Its own public description names part of instrument calibration services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name instrument calibration services. 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 4,943 instrument calibration services worldwide

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Instrument calibration services worldwide at a glance

As of Sep 20, 2026

25.5%Verified-email coverage

12.9Average contacts per company

11-50Median size (employees)

1.9%Largest-city concentration · Sao Paulo

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

2,300

11-50

1,931

51-200

537

201-500

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 instrument calibration services, 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 instrument calibration services are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “instrument calibration services”. 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 instrument calibration services), 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 instrument calibration services, 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, 16,224 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 20, 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.

Instrument calibration services by location

22 lists · largest first

Every Instrument calibration services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Instrument calibration services based in Mumbai, India42

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 instrument calibration services, 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 instrument calibration services are there worldwide?

RevenueBase identified 4,943 instrument calibration services 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?

Mettler-Toledo International, INC, headquartered in Greifensee, tops this list with the largest team on record.

Which country has the most instrument calibration services?

The United States leads with 663 companies, followed by India (502) and Brazil (496). Every instrument calibration services list by country and city is linked on this page.

Which city has the most instrument calibration services?

Sao Paulo leads with 96 headquartered companies, followed by Mumbai (42) and Pune (39).

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 16,224 verified decision-maker contacts tracked across these 4,943 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 20, 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.