Company lists · Data refreshed November 2026

Top 25 Offshore crew transfer vessel operators worldwide

RevenueBase identified 572 company matches for offshore crew transfer vessel operators worldwide as of November 2026 and tracks 58,138 professional contacts across them, including 5,388 with verified work emails. The United Kingdom is the largest market and Singapore the largest hub.

This list covers company matches for offshore crew transfer vessel operators 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 crew transfer vessel operators 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
572Companies
58,138Contacts tracked
5,388Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest offshore crew transfer vessel operators worldwide

Ranked by team size
Top 25 of 572 company matches for offshore crew transfer vessel operators 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 matchHouston, TX, United StatesHQ recorded Nov 6, 20265,001-10,0003,739 contacts →

Exact match

“Tidewater Inc.(Tidewater) is the owner and operator of the world’s largest Offshore Support Vessel (OSV) fleet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 20261,001-5,0003,276 contacts →

Exact match

“Somos a Bram Offshore Transportes Marítimos, a maior empresa representante do Grupo Edison Chouest Offshore no Brasil, reconhecida como o fornecedor de soluções de transporte…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchChâtel-saint-denis, United StatesHQ recorded Nov 6, 20261,001-5,0002,837 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
4Exact matchAl-khobar, Saudi ArabiaHQ recorded Nov 6, 20261,001-5,0002,473 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
5Exact matchNiterói, BrazilHQ recorded Nov 6, 20261,001-5,0001,847 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
6Exact matchAl Khobar, Saudi ArabiaHQ recorded Nov 6, 20261,001-5,0001,729 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
7Exact matchSkudeneshavn, NorwayHQ recorded Nov 6, 20261,001-5,0001,722 contacts →

Exact match

“Solstad is a company with more than 60 years of experience within various shipping segments, and is currently one of the leading provider of specialized offshore tonnage to the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPapendrecht, NetherlandsHQ recorded Nov 6, 20261,001-5,0001,248 contacts →

Exact match

“Smit Lamnalco provides first class, reliable and customised marine support in any environment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchKebayoran Lama, IndonesiaHQ recorded Nov 6, 2026501-1,0001,093 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
10Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 20261,001-5,000816 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
11Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 2026n/a775 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
12Exact matchEsbjerg, DenmarkHQ recorded Nov 6, 20261,001-5,000762 contacts →

Exact match

“ESVAGT was founded in 1981 with the purpose of making the sea a safe place to work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,000715 contacts →

Exact match

“The GREATSHIP GROUP is a provider of quality offshore oilfield services, owning and operating a comprehensive range of new generation, technologically advanced vessels and modern…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchN-4068 Stavanger, NorwayHQ recorded Nov 6, 2026n/a662 contacts →

Exact match

“Prosafe is a leading owner and operator of semi-submersible accommodation vessels.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchUlsteinvik, NorwayHQ recorded Nov 6, 2026501-1,000538 contacts →

Exact match

“Island Offshore - The Island Offshore Group is a leading provider of services to the offshore industry ranging from Platform Supply, Walk-to-work and Anchor Handling to Advanced…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 2026501-1,000535 contacts →

Exact match

“GMS operates a modern fleet of highly versatile self-propelled lift boats, across international markets.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSurabaya, IndonesiaHQ recorded Nov 6, 2026201-500463 contacts →

Exact match

“As a one-stop solution offshore marine services company, ELPI strives to support all types of offshore operations, offering innovative vessel and logistical solutions while…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchCampeche, MexicoHQ recorded Nov 6, 2026501-1,000459 contacts →

Exact match

“Somos una empresa integradora de servicios offshore para la industria energética, mediante embarcaciones especializadas, ofreciendo soluciones con la máxima relación costo-tiempo…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSingaporeHQ recorded Nov 6, 2026n/a457 contacts →

Exact match

“Teras Offshore Pte Ltd specialises in marine logistics and support services, with expertise especially in the offshore oil and gas Industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026501-1,000418 contacts →

Exact match

“Fleet diversity to meet every offshore need.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchDelft, NetherlandsHQ recorded Nov 6, 2026201-500411 contacts →

Exact match

“Ampelmann is the leading offshore access provider that delivers safe and efficient access solutions to the global offshore energy sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNew Orleans, LA, United StatesHQ recorded Nov 6, 2026501-1,000406 contacts →

Exact match

“Harvey Gulf International Marine, LLC is a marine transportation company that specializes in providing Offshore Supply and Multi-Purpose Support Vessels for deepwater operations…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchOostende, BelgiumHQ recorded Nov 6, 2026201-500398 contacts →

Exact match

“NHV Group is one of the largest European helicopter operators and global launching customer of the next-generation helicopter, the H175s.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchRio De Janeiro, BrazilHQ recorded Nov 6, 2026201-500358 contacts →

Exact match

“Founded in 2011 by the Gradin family, GranEnergia is an Integrated Offshore Energy Services Company, headquartered in Brazil and the Netherlands.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAix En Provence, FranceHQ recorded Nov 6, 2026501-1,000352 contacts →

Exact match

“Jifmar is a worldwide maritime operator.”

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

Showing 25 of 572 offshore crew transfer vessel operators worldwide

See the full list, filter by size, metro and specialty, and access 5,388 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Offshore crew transfer vessel operators worldwide at a glance

As of Nov 6, 2026
9.3%Verified-email coverage
101.6Average contacts per company
11-50Median size (employees)
5.6%Largest-city concentration · Singapore
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
128
11-50
187
51-200
129
201-500
58
501-1,000
31
1,001-5,000
29
5,001-10,000
2
10001+
1

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 crew transfer vessel operators are linked below.
What qualifies
Company records worldwide whose business descriptions match “offshore crew transfer vessel operators” 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 5,388 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 crew transfer vessel operators by location

5 lists · largest first

Every Offshore crew transfer vessel operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 crew transfer vessel operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many offshore crew transfer vessel operators are there worldwide?

RevenueBase identified 572 company matches for offshore crew transfer vessel operators 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?

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

Which country has the most offshore crew transfer vessel operators?

The United Kingdom leads with 62 companies, followed by the United States (48) and the United Arab Emirates (39). Every offshore crew transfer vessel operators list by country and city is linked on this page.

Which city has the most offshore crew transfer vessel operators?

Singapore leads with 32 company records, followed by Dubai (14) and Abu Dhabi (11).

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 5,388 professional contacts with verified work emails tracked across these 572 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 572 offshore crew transfer vessel operators 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.