Company lists · Data refreshed November 2026

Top 25 Offshore safety contractors worldwide

Name: Offshore safety contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 8,085 companies tracked

RevenueBase identified 8,085 company matches for offshore safety contractors worldwide as of November 2026 and tracks 139,118 professional contacts across them, including 22,511 with verified work emails. Brazil is the largest market and Sao Paulo the largest hub.

This list covers company matches for offshore safety contractors 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 safety contractors 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

8,085Companies

139,118Contacts tracked

22,511Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest offshore safety contractors worldwide

Ranked by team size

Top 25 of 8,085 company matches for offshore safety contractors 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	Quirónprevención	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	5,001-10,000	3,834 contacts →
	Exact match “Quirónprevención, perteneciente al Grupo Quirónsalud, es la mayor empresa del sector de la Prevención de Riesgos Laborales a nivel internacional.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Valaris Limited	Exact match	Houston, United StatesHQ recorded Nov 6, 2026	5,001-10,000	3,352 contacts →
	Exact match “We Are Valaris With decades of expertise and strategic commitment built on efficiency, capability and ingenuity, our sights are continually set toward a future built with purpose…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Heerema Marine Contractors	Exact match	Leiden, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	2,841 contacts →
	Exact match “Heerema Marine Contractors is a world-leading marine contractor in the international offshore energy industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	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
5	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
6	Constellation OIL Services	Exact match	Rio De Janeiro, BrazilHQ recorded Nov 6, 2026	1,001-5,000	2,216 contacts →
	Exact match “Constellation Oil Services is a drilling contractor highly differentiated due to its unique experience in deep and ultra-deepwater drilling.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	ZMI Holdings	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Nov 6, 2026	1,001-5,000	2,100 contacts →
	Exact match “ZMI Holdings an ADNOC L&S company THE NEW WAVE Transforming the Offshore Energy Industry An integrated service provider offering unparalleled commitment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	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
9	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
10	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
11	Wallem Group	Exact match	Hong KongHQ recorded Nov 6, 2026	501-1,000	1,400 contacts →
	Exact match “First established in Shanghai in 1903, Wallem Group has a 120-year maritime heritage with a presence in 19 countries globally.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	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
13	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
14	ABS Group	Exact match	Spring, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,256 contacts →
	Exact match “ABS Group of Companies, provides data-driven risk and reliability solutions and technical services that help clients confirm the safety, integrity, quality and efficiency of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Arco Experts In Safety	Exact match	Hull, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	1,096 contacts →
	Exact match “Arco is the UK's only integrated services and safety products business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	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
17	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
18	ABL	Exact match	London, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	830 contacts →
	Exact match “The Energy and Marine Consultants - an Aqualis company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Allianz Middle East Ship Management LLC	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Nov 6, 2026	1,001-5,000	816 contacts →
	Exact match “With offices in Abu Dhabi, Dubai, Qatar and Singapore, Allianz Middle East Ship Management LLC(Allianz-ME) is a well-established marine contractors providing modern Offshore…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Blockchain-Startups-Commnunity	Exact match	Vung Tau, VietnamHQ recorded Nov 6, 2026	5,001-10,000	803 contacts →
	Exact match “Exploration and development oilfield” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Stanford Marine	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	n/a	775 contacts →
	Exact match “Established in 1997, we operate an extensive fleet of Offshore Supply Vessels that service the Oil and Gas industry in the Middle East, South East Asia, Africa, India and the Gulf…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	United Safety	Exact match	Airdrie, AB, CanadaHQ recorded Nov 6, 2026	501-1,000	772 contacts →
	Exact match “United Safety is a safety solutions provider specializing in safety equipment, personnel and services for the Oil and Gas industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Dolphin Drilling	Exact match	Aberdeen, United KingdomHQ recorded Nov 6, 2026	201-500	767 contacts →
	Exact match “Dolphin Drilling is the offshore drilling pioneer of the past and for the future.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Yantai Cimc Raffles Offshore LTD	Exact match	Yantai, ChinaHQ recorded Nov 6, 2026	10001+	759 contacts →
	Exact match “Yantai CIMC Raffles Offshore Technology Group Co, Ltd.(“CIMC Raffles”) is a leading offshore engineering and high-end marine equipment group in China, with a strong focus on the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Maersk Training	Exact match	Svendborg, DenmarkHQ recorded Nov 6, 2026	501-1,000	694 contacts →
	Exact match “Maersk Training, a subsidiary of the A.P.” 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 safety contractors”. 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 8,085 offshore safety contractors worldwide

See the full list, filter by size, metro and specialty, and access 22,511 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Offshore safety contractors worldwide at a glance

As of Nov 6, 2026

16.2%Verified-email coverage

17.2Average contacts per company

1-10Median size (employees)

1.6%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,628

11-50

2,383

51-200

680

201-500

197

501-1,000

1,001-5,000

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 safety contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “offshore safety contractors” 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 22,511 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 safety contractors by location

46 lists · largest first

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

How many offshore safety contractors are there worldwide?

RevenueBase identified 8,085 company matches for offshore safety contractors 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?

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

Which country has the most offshore safety contractors?

Brazil leads with 1,059 companies, followed by the United Kingdom (794) and the United States (758). Every offshore safety contractors list by country and city is linked on this page.

Which city has the most offshore safety contractors?

Sao Paulo leads with 129 company records, followed by Houston (88) and Singapore (81).

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 22,511 professional contacts with verified work emails tracked across these 8,085 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 8,085 offshore safety contractors worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.