Company lists · Data refreshed November 2026

Top 25 Offshore inspection services worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 9,459 companies tracked

RevenueBase identified 9,459 company matches for offshore inspection services worldwide as of November 2026 and tracks 252,134 professional contacts across them, including 42,567 with verified work emails. The United States is the largest market and Singapore the largest hub.

This list covers company matches for offshore inspection 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 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

9,459Companies

252,134Contacts tracked

42,567Verified emails

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The 25 largest offshore inspection services worldwide

Ranked by team size

Top 25 of 9,459 company matches for offshore inspection 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	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
2	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
3	DOF	Exact match	Bergen, NorwayHQ recorded Nov 6, 2026	5,001-10,000	3,303 contacts →
	Exact match “With a multi-national workforce of over 5,700 personnel, DOF is an international group of companies which owns and operates a fleet of modern offshore/subsea vessels, with an…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	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
5	Allseas	Exact match	Châtel-saint-denis, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,837 contacts →
	Exact match “Allseas is a world-leading contractor in the offshore energy market.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	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
7	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
8	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
9	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
10	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
11	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
12	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
13	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
14	Rawabi Vallianz Offshore Services	Exact match	Al Khobar, Saudi ArabiaHQ recorded Nov 6, 2026	1,001-5,000	1,729 contacts →
	Exact match “With an extensive fleet of over 200 vessels worldwide, Rawabi Vallianz Offshore Services leverages Rawabi’s expertise to ensure exceptional quality and on-time delivery.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Deepocean	Exact match	Oslo, NorwayHQ recorded Nov 6, 2026	1,001-5,000	1,607 contacts →
	Exact match “DeepOcean is a technology-driven, independent solution provider in the ocean space.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Applus OIL And GAS	Exact match	Madrid, ItalyHQ recorded Nov 6, 2026	10001+	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
17	Maersk Supply Service	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 6, 2026	201-500	1,353 contacts →
	Exact match “With more than 50 years of legacy, Maersk Supply Service celebrates a new important milestone: from November 1st, our headquarters are officially located in Brazil.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	CCC Underwater Engineering S.A.L	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Nov 6, 2026	201-500	1,344 contacts →
	Exact match “(Underwater Engineering) S.A.L was established in 1976.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Aries Energy	Exact match	United Arab EmiratesHQ recorded Nov 6, 2026	1,001-5,000	1,319 contacts →
	Exact match “Aries is the largest Engineering, Inspection & Maintenance firm in the Middle East.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Irisndt	Exact match	Edmonton, CanadaHQ recorded Nov 6, 2026	10001+	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
21	Madina WLL	Exact match	Doha, QatarHQ recorded Nov 6, 2026	1,001-5,000	1,223 contacts →
	Exact match “MADINA GROUP comprises of 5 standalone companies- Madina Group W.L.L, Qatar International Safety Centre, Qatar Inspection Services, Severn Glocon Qatar and Madina Oryx Engineering…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	BKI Biro Klasifikasi Indonesia	Exact match	Jakarta Utara, IndonesiaHQ recorded Nov 6, 2026	501-1,000	1,111 contacts →
	Exact match “PT.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Tuboscope	Exact match	Houston, TX, United StatesHQ recorded Nov 6, 2026	10001+	1,103 contacts →
	Exact match “For more than 85 years, Tuboscope™ has provided the industry with tubular expertise and an integrated suite of value-added solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Wintermar Offshore Marine TBK	Exact match	Kebayoran Lama, IndonesiaHQ recorded Nov 6, 2026	501-1,000	1,093 contacts →
	Exact match “As a one-stop offshore marine services company, Wintermar Offshore Marine Group strives to support all types of offshore operations, offering innovative vessel and logistical…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Jana Marine Service Company LLC	Exact match	Khobar, Saudi ArabiaHQ recorded Nov 6, 2026	501-1,000	989 contacts →
	Exact match “Provides first-class marine offshore Services to the Oil & Gas sector in the Arabian Gulf region and beyond.” 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 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 9,459 offshore inspection services worldwide

See the full list, filter by size, metro and specialty, and access 42,567 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Offshore inspection services worldwide at a glance

As of Nov 6, 2026

16.9%Verified-email coverage

26.7Average contacts per company

11-50Median size (employees)

2.1%Largest-city concentration · Singapore

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,024

11-50

3,238

51-200

1,322

201-500

493

501-1,000

154

1,001-5,000

107

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 services are linked below.
What qualifies: Company records worldwide whose business descriptions match “offshore inspection 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 42,567 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 services by location

58 lists · largest first

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

How many offshore inspection services are there worldwide?

RevenueBase identified 9,459 company matches for offshore inspection 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?

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

Which country has the most offshore inspection services?

The United States leads with 975 companies, followed by the United Kingdom (737) and Brazil (683). Every offshore inspection services list by country and city is linked on this page.

Which city has the most offshore inspection services?

Singapore leads with 198 company records, followed by Houston (173) and Dubai (137).

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 42,567 professional contacts with verified work emails tracked across these 9,459 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.