Company lists · Data refreshed November 2026

Top 25 Offshore inspection and testing services worldwide

Name: Offshore inspection and testing services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 10,858 companies tracked

RevenueBase identified 10,858 company matches for offshore inspection and testing services worldwide as of November 2026 and tracks 438,941 professional contacts across them, including 101,007 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for offshore inspection 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 offshore inspection 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

10,858Companies

438,941Contacts tracked

101,007Verified emails

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The 25 largest offshore inspection and testing services worldwide

Ranked by team size

Top 25 of 10,858 company matches for offshore inspection 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SGS	Exact match	Baar, SwitzerlandHQ recorded Nov 6, 2026	10001+	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
2	Intertek	Exact match	London, NY, United KingdomHQ recorded Nov 6, 2026	10001+	24,944 contacts →
	Exact match “Intertek is a leading Total Quality Assurance provider to industries worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	UL Solutions	Exact match	Northbrook, NC, United StatesHQ recorded Nov 6, 2026	10001+	13,154 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 6, 2026 · View company records in RevenueBase
4	TÜV Rheinland Group	Exact match	Cologne, GermanyHQ recorded Nov 6, 2026	10001+	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
5	APAVE	Exact match	Courbevoie Cedex, FranceHQ recorded Nov 6, 2026	10001+	7,511 contacts →
	Exact match “Le Groupe Apave est spécialisé dans la maîtrise des risques techniques, humains, environnementaux et numériques.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Applus	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	10001+	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
7	Socotec	Exact match	Guyancourt, FranceHQ recorded Nov 6, 2026	10001+	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
8	Pt. Sucofindo	Exact match	South Jakarta, IndonesiaHQ recorded Nov 6, 2026	5,001-10,000	5,839 contacts →
	Exact match “SUCOFINDO was established in 1956 as a joint venture company between the Government of the Republic of Indonesia and SGS, Geneve, Switzerland.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	RINA	Exact match	Genoa, ItalyHQ recorded Nov 6, 2026	5,001-10,000	5,731 contacts →
	Exact match “We are 6,600+ around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Element Materials Technology	Exact match	London, United KingdomHQ recorded Nov 6, 2026	5,001-10,000	4,533 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
11	Acuren	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,868 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
12	Amspec Group	Exact match	Cranbury, NJ, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,737 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
13	Mistras Group	Exact match	Princeton Junction, TX, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,097 contacts →
	Exact match “MISTRAS Group, Inc.(NYSE: MG) is a global leader in technology-enabled industrial asset integrity solutions, serving critical industries including oil & gas, aerospace & defense…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	OCA Global	Exact match	Sant Cugat Del Valles, SpainHQ recorded Nov 6, 2026	1,001-5,000	3,061 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
15	Formel D Group	Exact match	Cologne, GermanyHQ recorded Nov 6, 2026	10001+	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
16	ROSEN	Exact match	Stans, SwitzerlandHQ recorded Nov 6, 2026	1,001-5,000	2,882 contacts →
	Exact match “WE ARE EMPOWERED BY TECHNOLOGY For us, technology is the driving force of progress to ensure a more sustainable future for our customers, their assets and society.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	PT Surveyor Indonesia	Exact match	Jakarta Selatan, IndonesiaHQ recorded Nov 6, 2026	5,001-10,000	2,700 contacts →
	Exact match “Surveyor Indonesia didirikan pada tanggal 1 Agustus 1991.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Cotecna	Exact match	Plainpalais, SwitzerlandHQ recorded Nov 6, 2026	5,001-10,000	2,546 contacts →
	Exact match “Cotecna is a leading provider of testing, inspection and certification services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Zamil Offshore Services Company	Exact match	Al-khobar, Saudi ArabiaHQ recorded Nov 6, 2026	1,001-5,000	2,473 contacts →
	Exact match “Zamil Offshore Services Company has been offering diversified offshore and marine support services to the oil and gas industry since 1977.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Free Lancer	Exact match	BrazilHQ recorded Nov 6, 2026	n/a	2,408 contacts →
	Exact match “Rov company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	OCYAN	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 6, 2026	1,001-5,000	2,402 contacts →
	Exact match “A OCYAN atua há décadas na prestação de serviços para o setor de óleo e gás upstream, estruturando suas operações em três frentes de atuação.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	TUV India Pvt. LTD	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	2,377 contacts →
	Exact match “TUV India Pvt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Grupo CBO	Exact match	Niterói, BrazilHQ recorded Nov 6, 2026	1,001-5,000	1,847 contacts →
	Exact match “O Grupo CBO é uma das maiores empresas de apoio marítimo do Brasil.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Helix Energy Solutions Group	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,814 contacts →
	Exact match “Helix Energy Solutions, headquartered in Houston, Texas, is an international offshore energy services company that provides specialty services to the offshore energy industry…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Tp-Otc	Exact match	Çankaya, TürkiyeHQ recorded Nov 6, 2026	501-1,000	1,813 contacts →
	Exact match “TP-OTC is established to provide all engineering and technology services for offshore operations in oil and gas industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “offshore inspection and testing services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 10,858 offshore inspection and testing services worldwide

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Offshore inspection and testing services worldwide at a glance

As of Nov 6, 2026

23.0%Verified-email coverage

40.4Average contacts per company

11-50Median size (employees)

1.7%Largest-city concentration · Houston

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,401

11-50

3,840

51-200

1,586

201-500

554

501-1,000

178

1,001-5,000

122

5,001-10,000

10001+

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 offshore inspection and testing services are linked below.
What qualifies: Company records worldwide whose business descriptions match “offshore inspection 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 101,007 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.

Offshore inspection and testing services by location

60 lists · largest first

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

How many offshore inspection and testing services are there worldwide?

RevenueBase identified 10,858 company matches for offshore inspection 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 offshore inspection and testing services?

The United States leads with 1,193 companies, followed by the United Kingdom (794) and Brazil (735). Every offshore inspection and testing services list by country and city is linked on this page.

Which city has the most offshore inspection and testing services?

Houston leads with 188 company records, followed by Singapore (168) and Dubai (133).

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 101,007 professional contacts with verified work emails tracked across these 10,858 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.