Company lists · Data refreshed November 2026

Top 25 Tester calibrating services worldwide

RevenueBase identified 3,991 company matches for tester calibrating services worldwide as of November 2026 and tracks 253,583 professional contacts across them, including 65,925 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for tester calibrating 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 2, 2026. Country and city lists for tester calibrating 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 2, 2026 How this list was built
3,991Companies
253,583Contacts tracked
65,925Verified emails
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The 25 largest tester calibrating services worldwide

Ranked by team size
Top 25 of 3,991 company matches for tester calibrating services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 2, 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 2, 202610001+63,840 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
2Exact matchParis, United KingdomHQ recorded Nov 2, 202610001+48,617 contacts →

Exact match

“Bureau Veritas is a world leader in Testing, Inspection and Certification.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
3Exact matchLondon, United KingdomHQ recorded Nov 2, 202610001+24,130 contacts →

Exact match

“Intertek is a leading Total Quality Assurance provider to industries worldwide.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
4Exact matchNorthbrook, IL, United StatesHQ recorded Nov 2, 202610001+12,880 contacts →

Exact match

“A global leader in applied safety science, UL Solutions (NYSE: ULS) transforms safety, security and sustainability challenges into opportunities for customers in more than 110…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
5Exact matchCologne, GermanyHQ recorded Nov 2, 202610001+8,316 contacts →

Exact match

“Neutral, independent third party For more than 150 years, TÜV Rheinland has stood for ensuring quality, safety, and efficiency in conjunction with people, the environment, and…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
6Exact matchStuttgart, GermanyHQ recorded Nov 2, 202610001+5,782 contacts →

Exact match

“For more than 100 years, DEKRA has been a trusted name in safety.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Nov 2, 20265,001-10,0004,423 contacts →

Exact match

“The Element Materials Technology Group is one of the world’s leading global providers of testing, inspection, and certification services for a diverse range of products…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
8Exact matchParis, FranceHQ recorded Nov 2, 20265,001-10,0003,599 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 2, 2026 · View company records in RevenueBase
9Exact matchCologne, GermanyHQ recorded Nov 2, 202610001+2,943 contacts →

Exact match

“Formel D is a global service provider for testing, inspection & certification.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
10Exact matchSant Cugat Del Valles, SpainHQ recorded Nov 2, 20261,001-5,0002,931 contacts →

Exact match

“OCA Global is a private business group –with headquarters in Spain–, dedicated to inspection, quality control, certification, testing, consulting, and training activities.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
11Exact matchBrøndby, DenmarkHQ recorded Nov 2, 20261,001-5,0001,074 contacts →

Exact match

“Force Technology is a technology consultancy and service company which strives to create positive technological change and make the world more sustainable and safer.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
12Exact matchBogotá, ColombiaHQ recorded Nov 2, 2026201-500923 contacts →

Exact match

“Somos una organización con amplia cobertura internacional sin ánimo de lucro, creado en 1963, con el objetivo de responder a las necesidades de los diferentes sectores económicos…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
13Exact matchMarietta, GA, United StatesHQ recorded Nov 2, 20261,001-5,000922 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 2, 2026 · View company records in RevenueBase
14Exact matchWarrington, United KingdomHQ recorded Nov 2, 20261,001-5,000775 contacts →

Exact match

“Testing, inspection, certification and compliance is our core business so that’s what gets 100% of our focus.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
15Exact matchSão Gonçalo, BrazilHQ recorded Nov 2, 20261,001-5,000742 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 2, 2026 · View company records in RevenueBase
16Exact matchNavi Mumbai, IndiaHQ recorded Nov 2, 20261,001-5,000731 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 2, 2026 · View company records in RevenueBase
17Exact matchRochester, NY, United StatesHQ recorded Nov 2, 2026501-1,000698 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 2, 2026 · View company records in RevenueBase
18Exact matchSingaporeHQ recorded Nov 2, 2026501-1,000590 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 2, 2026 · View company records in RevenueBase
19Exact matchKolkata, IndiaHQ recorded Nov 2, 20261,001-5,000580 contacts →

Exact match

“MSK is a leading Independent Inspection, Testing and Certification Expert, with a global network of offices and laboratories in 28 countries across 5 continents, with headquarters…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
20Exact matchGurgaon, IndiaHQ recorded Nov 2, 2026501-1,000539 contacts →

Exact match

“Established in the year FARE Labs Pvt.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
21Exact matchGrass Valley, CA, United StatesHQ recorded Nov 2, 2026201-500513 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 2, 2026 · View company records in RevenueBase
22Exact matchTeddington, United KingdomHQ recorded Nov 2, 2026201-500497 contacts →

Exact match

“LGC Standards provides products and services to improve measurement and quality control within the laboratory, and is part of LGC, whose LGC Science & Technology Division acts as…”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Nov 2, 2026501-1,000476 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 2, 2026 · View company records in RevenueBase
24Exact matchDepok, IndonesiaHQ recorded Nov 2, 2026201-500456 contacts →

Exact match

“Consumer service in certification, inspection, and laboratory testing.”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase
25Exact matchRijswijk, NetherlandsHQ recorded Nov 2, 2026501-1,000452 contacts →

Exact match

“Kiwa behoort tot de wereldwijde top-20 op het gebied van testen, inspectie en certificering (TIC).”

Recorded in the RevenueBase company graph · Nov 2, 2026 · View company records in RevenueBase

Showing 25 of 3,991 tester calibrating services worldwide

See the full list, filter by size, metro and specialty, and access 65,925 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Tester calibrating services worldwide at a glance

As of Nov 2, 2026
26.0%Verified-email coverage
63.5Average contacts per company
11-50Median size (employees)
1.5%Largest-city concentration · Sao Paulo
Nov 2, 2026Page data refreshed

Companies by employee count

1-10
1,529
11-50
1,600
51-200
562
201-500
150
501-1,000
44
1,001-5,000
47
5,001-10,000
8
10001+
28

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 tester calibrating services are linked below.
What qualifies
Company records worldwide whose business descriptions match “tester calibrating 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 65,925 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 2, 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.

Tester calibrating services by location

20 lists · largest first

Every Tester calibrating 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 “tester calibrating services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many tester calibrating services are there worldwide?

RevenueBase identified 3,991 company matches for tester calibrating 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 tester calibrating services?

The United States leads with 461 companies, followed by India (436) and Brazil (342). Every tester calibrating services list by country and city is linked on this page.

Which city has the most tester calibrating services?

Sao Paulo leads with 59 company records, followed by Chennai (36) and Bogota (35).

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 65,925 professional contacts with verified work emails tracked across these 3,991 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 2, 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.