Company lists · Data refreshed September 2026

Top 25 Metrology and calibration services worldwide

RevenueBase identified 5,900 metrology and calibration services worldwide as of September 2026 and tracks 72,678 professional contacts across them, including 17,722 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers metrology and 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 metrology and 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
5,900Companies
72,678Contacts tracked
17,722Verified emails
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The 25 largest metrology and calibration services worldwide

Ranked by team size
Top 25 of 5,900 metrology and 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 metrology and 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceParis, FranceHQ checked Sep 20, 20265,001-10,0003,389 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 20, 2026
2Partial evidenceOberkochen, United StatesHQ checked Sep 20, 20261,001-5,0001,804 contacts →

Partial evidence

“ZEISS Industrial Quality Solutions is a leading manufacturer of multidimensional metrology solutions.”

Source: RevenueBase Database · checked Sep 20, 2026
3Partial evidenceTeddington, United KingdomHQ checked Sep 20, 20261,001-5,0001,486 contacts →

Partial evidence

“NPL is the UK’s National Metrology Institute, providing the measurement capability that underpins the UK's prosperity and quality of life.”

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceBrøndby, DenmarkHQ checked Sep 20, 20261,001-5,0001,071 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
5Partial evidenceBentivoglio, ItalyHQ checked Sep 20, 20261,001-5,0001,057 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 20, 2026
6Indirect evidenceNew Delhi, IndiaHQ checked Sep 20, 2026501-1,000982 contacts →

Indirect evidence

“Aimil has been at the forefront of instrumentation industry in India, providing the state-of-the-art Instruments & related services, since 1932.”

Source: RevenueBase Database · checked Sep 20, 2026
7Partial evidenceMarietta, GA, United StatesHQ checked Sep 20, 20261,001-5,000890 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 20, 2026
8Indirect evidenceBraunschweig, GermanyHQ checked Sep 20, 20261,001-5,000852 contacts →

Indirect evidence

“Ob wir unser Auto betanken, das Navi uns den Weg weist oder unsere Blutprobe im Labor untersucht wird − Messtechnik durchdringt unseren Alltag.”

Source: RevenueBase Database · checked Sep 20, 2026
9Indirect evidenceSão Gonçalo, BrazilHQ checked Sep 20, 20261,001-5,000695 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
10Partial evidenceRochester, NY, United StatesHQ checked Sep 20, 2026501-1,000673 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
11Partial evidenceMigdal Ha'emek, IsraelHQ checked Sep 20, 2026501-1,000598 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 20, 2026
12Partial evidenceBudapest, HungaryHQ checked Sep 20, 20261,001-5,000592 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 20, 2026
13Partial evidenceGrass Valley, CA, United StatesHQ checked Sep 20, 2026201-500480 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 20, 2026
14Partial evidenceMiddlefield, CT, United StatesHQ checked Sep 20, 2026501-1,000451 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 20, 2026
15Partial evidenceAurora, IL, United StatesHQ checked Sep 20, 2026201-500435 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 20, 2026
16Partial evidenceLeuven, BelgiumHQ checked Sep 20, 2026501-1,000433 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 20, 2026
17Indirect evidenceHatfield, PA, United KingdomHQ checked Sep 20, 2026501-1,000416 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
18Partial evidenceSanta Clara, CA, United StatesHQ checked Sep 20, 2026201-500391 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
19Indirect evidenceEmbu Das Artes, BrazilHQ checked Sep 20, 2026201-500349 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 20, 2026
20Indirect evidenceIndore, IndiaHQ checked Sep 20, 2026201-500274 contacts →

Indirect evidence

“Oorja Technical Services Pvt.”

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidencePune, IndiaHQ checked Sep 20, 2026501-1,000257 contacts →

Indirect evidence

“Baker Gauges India Pvt.”

Source: RevenueBase Database · checked Sep 20, 2026
22Partial evidenceUnited StatesHQ checked Sep 20, 202651-200253 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
23Indirect evidenceAsnieres-Sur-Seine, FranceHQ checked Sep 20, 2026501-1,000251 contacts →

Indirect evidence

“Chauvin Arnoux est un groupe industriel qui dispose aujourd'hui d'une offre produits complète dans le domaine de la mesure.”

Source: RevenueBase Database · checked Sep 20, 2026
24Indirect evidenceUdaipur, IndiaHQ checked Sep 20, 2026201-500250 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
25Partial evidencePietarsaari, FinlandHQ checked Sep 20, 2026201-500243 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

Showing 25 of 5,900 metrology and calibration services worldwide

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Metrology and calibration services worldwide at a glance

As of Sep 20, 2026
24.4%Verified-email coverage
12.3Average contacts per company
11-50Median size (employees)
1.8%Largest-city concentration · Sao Paulo
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
2,765
11-50
2,245
51-200
664
201-500
126
501-1,000
34
1,001-5,000
19
5,001-10,000
3
10001+
3

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 metrology and 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 metrology and calibration services are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “metrology and 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 metrology and 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 metrology and 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, 17,722 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.

Metrology and calibration services by location

27 lists · largest first

Every Metrology and calibration services 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 metrology and 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 metrology and calibration services are there worldwide?

RevenueBase identified 5,900 metrology and 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?

Trescal, headquartered in Paris, tops this list with the largest team on record.

Which country has the most metrology and calibration services?

The United States leads with 758 companies, followed by India (592) and Brazil (560). Every metrology and calibration services list by country and city is linked on this page.

Which city has the most metrology and calibration services?

Sao Paulo leads with 109 headquartered companies, followed by Pune (69) and Chennai (49).

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 17,722 verified decision-maker contacts tracked across these 5,900 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.