Company lists · Data refreshed November 2026

Top 25 Welding testing laboratories worldwide

RevenueBase identified 4,836 company matches for welding testing laboratories worldwide as of November 2026 and tracks 189,716 professional contacts across them, including 46,773 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for welding testing laboratories 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 welding testing laboratories 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
4,836Companies
189,716Contacts tracked
46,773Verified emails
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The 25 largest welding testing laboratories worldwide

Ranked by team size
Top 25 of 4,836 company matches for welding testing laboratories 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 matchCologne, GermanyHQ recorded Nov 6, 202610001+8,583 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 6, 2026 · View company records in RevenueBase
3Exact matchMadrid, SpainHQ recorded Nov 6, 202610001+7,376 contacts →

Exact match

“Applus+ is a worldwide leader in the testing, inspection, and certification sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchGuyancourt, FranceHQ recorded Nov 6, 202610001+6,301 contacts →

Exact match

“SOCOTEC ranks in the Top 10 Best Workplaces® 2025 (category:>2500 employees) and is once again certified Great Place to Work® in 2025, across 18 countries!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 20265,001-10,0004,533 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 6, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20265,001-10,0003,868 contacts →

Exact match

“Acuren (NYSE: TIC) is a leading provider of critical asset integrity services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCranbury, NJ, United StatesHQ recorded Nov 6, 20265,001-10,0003,737 contacts →

Exact match

“The AmSpec Group has been relied upon in the testing, inspection, and certification (TIC) sector for several decades.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSant Cugat Del Valles, SpainHQ recorded Nov 6, 20261,001-5,0003,061 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 6, 2026 · View company records in RevenueBase
9Exact matchCologne, GermanyHQ recorded Nov 6, 202610001+3,044 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,0002,377 contacts →

Exact match

“TUV India Pvt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchEdmonton, CanadaHQ recorded Nov 6, 202610001+1,236 contacts →

Exact match

“One of the largest independent Asset Integrity companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchVillepinte, FranceHQ recorded Nov 6, 20261,001-5,0001,132 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact 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
14Exact matchBurton Upon Trent, United KingdomHQ recorded Nov 6, 20261,001-5,000933 contacts →

Exact match

“SOCOTEC UK is a network of industry-leading experts we empower ambitious businesses at every stage of the asset lifecycle.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchArlington Heights, NY, United StatesHQ recorded Nov 6, 20261,001-5,000795 contacts →

Exact match

“Intertek, a leading provider of quality solutions to industries around the world, has completed the acquisition of Professional Service Industries, Inc.(PSI), a leading…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 2026501-1,000737 contacts →

Exact match

“Starting from an Inspection Department of one of the pioneering companies of the Radiant Group’s businesses with specialization in the field of Non Destructive Testing (NDT) back…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHelsinki, FinlandHQ recorded Nov 6, 202610001+692 contacts →

Exact match

“Kiwa on yksi maailman johtavista asiantuntijoista turvallisuudessa, laadussa ja luotettavuudessa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHamra, LebanonHQ recorded Nov 6, 20261,001-5,000675 contacts →

Exact match

“ACTS is a leading third-party engineering firm specialized in Testing, Inspection, Certification, Engineering Services and Knowledge & Education in the Middle East, Africa, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBergen, NorwayHQ recorded Nov 6, 20265,001-10,000656 contacts →

Exact match

“Oceaneering Asset Integrity is one of the largest providers of Integrity and Inspection Services in the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact 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
21Exact matchKolkata, IndiaHQ recorded Nov 6, 20261,001-5,000596 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 6, 2026 · View company records in RevenueBase
22Exact matchNeuquén, ArgentinaHQ recorded Nov 6, 2026201-500515 contacts →

Exact match

“Trace Group, fundada en 2008 como parte del grupo Clusterciar, es una empresa dedicada a la supervisión e inspección técnica para la industria bajo rigurosos estándares de calidad…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSaudi ArabiaHQ recorded Nov 6, 2026501-1,000445 contacts →

Exact match

“NDT Corrosion Control Services Co.(NDTCCS) was established in 1975, with Head Office in Dammam, Kingdom of Saudi Arabia with branches in other GCC countries, UAE, Qatar, Kuwait…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCallao, PeruHQ recorded Nov 6, 20261,001-5,000430 contacts →

Exact match

“Somos líderes mundiales en inspección, verificación, análisis y certificación.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchHürth, GermanyHQ recorded Nov 6, 20261,001-5,000411 contacts →

Exact match

“Waygate Technologies, a Baker Hughes business, is an industrial inspection solutions company and the world leader in non-destructive testing (NDT).”

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

Showing 25 of 4,836 welding testing laboratories worldwide

See the full list, filter by size, metro and specialty, and access 46,773 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Welding testing laboratories worldwide at a glance

As of Nov 6, 2026
24.7%Verified-email coverage
39.2Average contacts per company
11-50Median size (employees)
1.3%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,125
11-50
1,685
51-200
647
201-500
215
501-1,000
46
1,001-5,000
48
5,001-10,000
10
10001+
21

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 welding testing laboratories are linked below.
What qualifies
Company records worldwide whose business descriptions match “welding testing laboratories” 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 46,773 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.

Welding testing laboratories by location

27 lists · largest first

Every Welding testing laboratories 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 “welding testing laboratories”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many welding testing laboratories are there worldwide?

RevenueBase identified 4,836 company matches for welding testing laboratories 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 welding testing laboratories?

The United States leads with 646 companies, followed by India (440) and Brazil (330). Every welding testing laboratories list by country and city is linked on this page.

Which city has the most welding testing laboratories?

Houston leads with 62 company records, followed by Chennai (44) and Mumbai (40).

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 46,773 professional contacts with verified work emails tracked across these 4,836 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.