Company lists · Data refreshed November 2026

Top 25 Welding testing services worldwide

RevenueBase identified 3,861 company matches for welding testing services worldwide as of November 2026 and tracks 38,579 professional contacts across them, including 7,224 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for welding 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 welding 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
3,861Companies
38,579Contacts tracked
7,224Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest welding testing services worldwide

Ranked by team size
Top 25 of 3,861 company matches for welding 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 matchMadrid, ItalyHQ recorded Nov 6, 202610001+1,442 contacts →

Exact match

“Applus+ is globally recognized across all phases of the oil and gas industry, including upstream, midstream, and downstream, both on land and at sea.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact 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
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 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
5Exact 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
6Exact matchMumbai, IndiaHQ recorded Nov 6, 2026501-1,000379 contacts →

Exact match

“We provide Third-Party Inspection, Conventional & Advanced Non-Destructive Testing (NDT) and Heat Treatment Services in Oil & Gas Sector, Flow Lines, Heavy Engineering, Onshore…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchSecunda, South AfricaHQ recorded Nov 6, 2026501-1,000347 contacts →

Exact match

“New Age Engineering Solutions is an industrial construction company that delivers SMEIP (Structural, Mechanical, Electrical, Instrumentation, and Piping) services to the mining…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMilton, ON, CanadaHQ recorded Nov 6, 202651-200278 contacts →

Exact match

“The CWB Group is an industry supported private sector organization providing welding certification, management systems registration and training services to over 7600 companies in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchAlkhobar, Saudi ArabiaHQ recorded Nov 6, 20261,001-5,000262 contacts →

Exact match

“Established in 2008, Axis Inspection Contracting JSC.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchLeague City, TX, United StatesHQ recorded Nov 6, 2026201-500200 contacts →

Exact match

“PK Technical & Inspection is an advanced non-destructive testing and inspection company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchGenova (ge), ItalyHQ recorded Nov 6, 2026201-500195 contacts →

Exact match

“Fanno parte di IIS l’Istituto Italiano della Saldatura - Ente Morale, con personalità giuridica di associazione senza scopo di lucro, e le controllate IIS CERT srl e IIS SERVICE…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLongview, KS, United StatesHQ recorded Nov 6, 2026201-500183 contacts →

Exact match

“XCEL is an industrial inspection company with a unique blend of services focused on your compliance needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPasadena, TX, United StatesHQ recorded Nov 6, 2026501-1,000179 contacts →

Exact match

“The TechCorr name is synonymous with safe, quality inspection services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchSetapak, MalaysiaHQ recorded Nov 6, 2026501-1,000173 contacts →

Exact match

“Energy Workforce Group is an International Company with its head quarters in Kuala Lumpur, Malaysia with subsidiaries in Singapore, Thailand, India & Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchVinhedo, BrazilHQ recorded Nov 6, 202651-200165 contacts →

Exact match

“Oferecemos soluções em inspeção e ensaios não destrutivos convencionais e não convencionais, e serviços metalúrgicos laboratoriais.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDeer Park, TX, United StatesHQ recorded Nov 6, 20261,001-5,000164 contacts →

Exact match

“QualSpec is a leading industrial inspection firm headquartered in Houston, Texas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026201-500164 contacts →

Exact match

“About Us Cutting-edge technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchArs-laquenexy, FranceHQ recorded Nov 6, 202651-200163 contacts →

Exact match

“GISMIC was founded in 2008 by a group of worldwide recognized experts in Construction projects, Quality Assurance and Inspection/Control.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchChennai, IndiaHQ recorded Nov 6, 2026201-500157 contacts →

Exact match

“Vibrant NDT Services is an adaptable NDT service provider, Leader in NDT with ISO 9001:2008 & ISO EIC 17025 certification, capable of addressing a variety of Non-Destructive…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchEdmonton, TX, CanadaHQ recorded Nov 6, 2026201-500151 contacts →

Exact match

“Metalogic Inspection Services delivers professional inspection services that support asset integrity, safety, and operational confidence across North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSerra, BrazilHQ recorded Nov 6, 2026501-1,000147 contacts →

Exact match

“Estamos localizados em moderno centro de tecnologia de ensaios não destrutivos (CT-END) no município Serra/ES.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchNúñez, ArgentinaHQ recorded Nov 6, 2026201-500140 contacts →

Exact match

“Somos una empresa dedicada a brindar servicios de inspección, evaluación de integridad y ensayos no destructivos.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchParma, MO, United StatesHQ recorded Nov 6, 2026201-500131 contacts →

Exact match

“JANX is a leader in nondestructive testing and inspection solutions with offices throughout the USA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchVlissingen, NetherlandsHQ recorded Nov 6, 20265,001-10,000129 contacts →

Exact match

“TEAM is sinds 1973 een wereldwijd, toonaangevend bedrijf op het gebied van gespecialiseerde mechanische en NDO & I services.”

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

Showing 25 of 3,861 welding testing services worldwide

See the full list, filter by size, metro and specialty, and access 7,224 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Welding testing services worldwide at a glance

As of Nov 6, 2026
18.7%Verified-email coverage
10.0Average contacts per company
1-10Median size (employees)
1.2%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,970
11-50
1,222
51-200
438
201-500
112
501-1,000
22
1,001-5,000
17
5,001-10,000
2
10001+
6

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 services are linked below.
What qualifies
Company records worldwide whose business descriptions match “welding 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 7,224 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 services by location

19 lists · largest first

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

How many welding testing services are there worldwide?

RevenueBase identified 3,861 company matches for welding 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?

Applus OIL And GAS tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most welding testing services?

The United States leads with 660 companies, followed by India (345) and Brazil (234). Every welding testing services list by country and city is linked on this page.

Which city has the most welding testing services?

Houston leads with 48 company records, followed by Chennai (34) and Pune (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 7,224 professional contacts with verified work emails tracked across these 3,861 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.

Ready to reach these companies? Verified emails and direct dials for all 3,861 welding testing services worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.