Company lists · Data refreshed November 2026

Top 25 Calibration and testing services worldwide

RevenueBase identified 3,367 company matches for calibration and testing services worldwide as of November 2026 and tracks 113,145 professional contacts across them, including 26,970 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for calibration and testing 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 November 6, 2026. Country and city lists for calibration and testing 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 Nov 6, 2026 How this list was built
3,367Companies
113,145Contacts tracked
26,970Verified emails
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The 25 largest calibration and testing services worldwide

Ranked by team size
Top 25 of 3,367 company matches for calibration and testing services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchBaar, SwitzerlandHQ recorded Nov 6, 202610001+65,863 contacts →

Exact match

“SGS is the world’s leading Testing, Inspection and Certification company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchParis, FranceHQ recorded Nov 6, 20265,001-10,0003,704 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMarietta, GA, United StatesHQ recorded Nov 6, 20261,001-5,000961 contacts →

Exact match

“Applied Technical Services assists commercial and industrial clients by providing inspection, testing, consulting engineering, and calibration services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNavi Mumbai, IndiaHQ recorded Nov 6, 20261,001-5,000774 contacts →

Exact match

“We are committed to strengthening safety systems with the most reliable Testing and Auditing Solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBoxborough, CA, United StatesHQ recorded Nov 6, 2026501-1,000763 contacts →

Exact match

“TÜV Rheinland is a world leader in testing, inspection and certification services for a wide variety of industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSão Gonçalo, BrazilHQ recorded Nov 6, 20261,001-5,000762 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchRochester, NY, United StatesHQ recorded Nov 6, 2026501-1,000718 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSingaporeHQ recorded Nov 6, 2026501-1,000608 contacts →

Exact match

“With 40 years of extensive experience, Setsco Services Pte Ltd is one of Singapore’s largest test and inspection companies accredited by the Singapore Accreditation Council –…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchGrass Valley, United StatesHQ recorded Nov 6, 2026201-500539 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026501-1,000490 contacts →

Exact match

“SPL is a leading provider of compliance and testing services for Environmental, Energy, and other end markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 2026201-500461 contacts →

Exact match

“TÜV NORD Indonesia, member of TÜV NORD GROUP Germany, is one of certification, inspection and testing service providers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSanta Clara, United StatesHQ recorded Nov 6, 2026201-500401 contacts →

Exact match

“SIMCO Electronics is a leading provider of calibration, repair, and software services for manufacturing, life science, and technology organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchAl Qouz First, United Arab EmiratesHQ recorded Nov 6, 2026201-500346 contacts →

Exact match

“Wimpey Laboratories is an ISO accredited Independent laboratory.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBuenos Aires, ArgentinaHQ recorded Nov 6, 2026201-500313 contacts →

Exact match

“Lenor es un “Organismo de Evaluación de la Conformidad”, integrado por Organismo de Certificación, Organismo de Inspección, Servicios Industriales, Laboratorios de Ensayos y…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchIndore, IndiaHQ recorded Nov 6, 2026201-500298 contacts →

Exact match

“Oorja Technical Services Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchUdaipur, IndiaHQ recorded Nov 6, 2026201-500269 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 · Nov 6, 2026 · View company records in RevenueBase
17Exact matchPietarsaari, FinlandHQ recorded Nov 6, 2026201-500262 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchUnited StatesHQ recorded Nov 6, 202651-200254 contacts →

Exact match

“Founded in 1978, SE Laboratories is committed to providing the industry with quality test equipment calibration, repair, and preventative maintenance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHatfield, PA, United KingdomHQ recorded Nov 6, 202651-200243 contacts →

Exact match

“For over 40 years ENV Services, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAkron, VA, United StatesHQ recorded Nov 6, 2026201-500238 contacts →

Exact match

“MGA is recognized worldwide as one of the leading independent providers of testing services and equipment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSan Ramon, HI, United StatesHQ recorded Nov 6, 2026201-500208 contacts →

Exact match

“At Consolidated Engineering Laboratories (CEL) we consider ourselves more than a Testing Laboratory.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 20261,001-5,000205 contacts →

Exact match

“TÜV AUSTRIA TURK: Güvenilir Çözüm Ortağınız 1872 yılında temelleri atılan TÜV AUSTRIA Grubu, tarafsız ve bağımsız bir kuruluş olarak kalite kontrol, belgelendirme, test, teknik…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchRaleigh, CO, United StatesHQ recorded Nov 6, 202651-200202 contacts →

Exact match

“PCI provides calibration, commissioning, and consulting solutions for the life sciences industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchWarrington, United KingdomHQ recorded Nov 6, 2026201-500199 contacts →

Exact match

“Warringtonfire is proud to be part of Element Materials Technology, the leader in Testing, Inspection, Certification and Calibration services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 2026201-500191 contacts →

Exact match

“Sürdürülebilirlik Ve Kalite Hizmet kalitemizin sürdürülebilirliğinin sağlanması en önemli sorumluluklarımızın başında gelmektedir.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 3,367 calibration and testing services worldwide

See the full list, filter by size, metro and specialty, and access 26,970 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Calibration and testing services worldwide at a glance

As of Nov 6, 2026
23.8%Verified-email coverage
33.6Average contacts per company
11-50Median size (employees)
1.5%Largest-city concentration · Sao Paulo
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,483
11-50
1,337
51-200
392
201-500
69
501-1,000
18
1,001-5,000
18
5,001-10,000
5
10001+
4

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 calibration and testing services are linked below.
What qualifies
Company records worldwide whose business descriptions match “calibration and testing 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 26,970 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 November 6, 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.

Calibration and testing services by location

18 lists · largest first

Every Calibration and testing 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 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 “calibration and testing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many calibration and testing services are there worldwide?

RevenueBase identified 3,367 company matches for calibration and testing services worldwide as of November 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?

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

Which country has the most calibration and testing services?

The United States leads with 511 companies, followed by India (366) and Brazil (317). Every calibration and testing services list by country and city is linked on this page.

Which city has the most calibration and testing services?

Sao Paulo leads with 52 company records, followed by Pune (29) and Bangalore (28).

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 26,970 professional contacts with verified work emails tracked across these 3,367 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 November 6, 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.