Company lists · Data refreshed October 2026

Top 25 Oil and gas offshore support shore base services worldwide

Name: Oil and gas offshore support shore base services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 28, 2026 12,743 companies tracked

RevenueBase identified 12,743 company matches for oil and gas offshore support shore base services worldwide as of October 2026 and tracks 629,487 professional contacts across them, including 89,922 with verified work emails. The United States is the largest market and Singapore the largest hub.

This list covers company matches for oil and gas offshore support shore base 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 October 28, 2026. Country and city lists for oil and gas offshore support shore base 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 Oct 28, 2026 How this list was built

12,743Companies

629,487Contacts tracked

89,922Verified emails

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The 25 largest oil and gas offshore support shore base services worldwide

Ranked by team size

Top 25 of 12,743 company matches for oil and gas offshore support shore base services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 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	Saipem	Exact match	Milan, ItalyHQ recorded Oct 28, 2026	10001+	35,555 contacts →
	Exact match “Saipem is a global leader in the engineering and construction of major projects for the energy and infrastructure sectors, both offshore and onshore.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2	Technip Former Company	Exact match	United KingdomHQ recorded Oct 28, 2026	10001+	11,864 contacts →
	Exact match “Technip is a former company that was separated into two independent companies: TechnipFMC and Technip Energies, which now operate with no capital ties.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3	Transocean	Exact match	Zug, SwitzerlandHQ recorded Oct 28, 2026	1,001-5,000	10,599 contacts →
	Exact match “Transocean is a leading international provider of offshore contract drilling services for oil and gas wells.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4	SBM Offshore	Exact match	Amsterdam, NetherlandsHQ recorded Oct 28, 2026	5,001-10,000	9,144 contacts →
	Exact match “SBM Offshore is the world’s deepwater ocean-infrastructure expert.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5	Lamprell	Exact match	Sharjah, United Arab EmiratesHQ recorded Oct 28, 2026	5,001-10,000	6,375 contacts →
	Exact match “With 50 years of experience, Lamprell is a key player in the global offshore wind and oil & gas markets, delivering high-quality, complex energy infrastructure projects.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
6	OSM Thome	Exact match	Arendal, NorwayHQ recorded Oct 28, 2026	10001+	6,349 contacts →
	Exact match “OSM Thome is the result of a joint merger of two industry giants OSM Maritime and Thome Group in 2023.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7	Noble Corporation	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	5,001-10,000	5,939 contacts →
	Exact match “Noble is a leading offshore drilling contractor for the oil and gas industry.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8	MODEC	Exact match	Chuo-ku, JapanHQ recorded Oct 28, 2026	5,001-10,000	5,354 contacts →
	Exact match “MODEC has been a leading provider of solutions for the floating offshore oil and gas market for over 50 years.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9	Seadrill	Exact match	Houston, United StatesHQ recorded Oct 28, 2026	1,001-5,000	5,065 contacts →
	Exact match “Seadrill is setting the standard in deepwater oil and gas drilling.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10	v.group	Exact match	London, GermanyHQ recorded Oct 28, 2026	10001+	4,698 contacts →
	Exact match “The committed partner of progress for everything at sea.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
11	Cotemar	Exact match	Ciudad Del Carmen, MexicoHQ recorded Oct 28, 2026	5,001-10,000	4,362 contacts →
	Exact match “We are Mexican company specialized in services for the oil industry since 1979.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12	PT Elnusa TBK	Exact match	Jakarta Selatan, IndonesiaHQ recorded Oct 28, 2026	1,001-5,000	4,167 contacts →
	Exact match “We are the one and only national company that possesses combined competencies in oil & gas services: seismic, drilling and oilfield.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13	NESR	Exact match	Houston, United StatesHQ recorded Oct 28, 2026	5,001-10,000	3,884 contacts →
	Exact match “National Energy Services Reunited Corp.(NESR) was founded in 2017 as one of the largest national oilfield services providers in the MENA and Asia Pacific regions and was the first…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14	Tidewater	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	5,001-10,000	3,497 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 · Oct 28, 2026 · View company records in RevenueBase
15	DOF	Exact match	Bergen, NorwayHQ recorded Oct 28, 2026	5,001-10,000	3,269 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 · Oct 28, 2026 · View company records in RevenueBase
16	Valaris Limited	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	5,001-10,000	3,263 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 · Oct 28, 2026 · View company records in RevenueBase
17	Bram Offshore	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	1,001-5,000	3,147 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 · Oct 28, 2026 · View company records in RevenueBase
18	Transpetro	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 28, 2026	5,001-10,000	3,063 contacts →
	Exact match “A Transpetro - Petrobras Transporte S.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19	Engeman	Exact match	Recife, BrazilHQ recorded Oct 28, 2026	5,001-10,000	3,054 contacts →
	Exact match “Fundada em 1983, a Engeman atua com excelência no desenvolvimento de soluções para os diversos setores da indústria.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20	Gran Services S.A	Exact match	Macaé, BrazilHQ recorded Oct 28, 2026	1,001-5,000	3,012 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21	Heerema Marine Contractors	Exact match	Leiden, NetherlandsHQ recorded Oct 28, 2026	1,001-5,000	2,792 contacts →
	Exact match “Heerema Marine Contractors is a world-leading marine contractor in the international offshore energy industry.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22	Shelf Drilling	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 28, 2026	1,001-5,000	2,770 contacts →
	Exact match “Shelf Drilling is a wholly owned subsidiary of ADES Holding Company, a leading international oil and gas drilling services provider.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23	Allseas	Exact match	Châtel-saint-denis, United StatesHQ recorded Oct 28, 2026	1,001-5,000	2,765 contacts →
	Exact match “Allseas is a world-leading contractor in the offshore energy market.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24	Zamil Offshore Services Company	Exact match	Al-khobar, Saudi ArabiaHQ recorded Oct 28, 2026	1,001-5,000	2,406 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 · Oct 28, 2026 · View company records in RevenueBase
25	Archer	Exact match	Sandnes, NorwayHQ recorded Oct 28, 2026	5,001-10,000	2,399 contacts →
	Exact match “Archer is a company providing drilling and well services to the global energy industry.” Recorded in the RevenueBase company graph · Oct 28, 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 “oil and gas offshore support shore base 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 12,743 oil and gas offshore support shore base services worldwide

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Oil and gas offshore support shore base services worldwide at a glance

As of Oct 28, 2026

14.3%Verified-email coverage

49.4Average contacts per company

11-50Median size (employees)

2.8%Largest-city concentration · Singapore

Oct 28, 2026Page data refreshed

Companies by employee count

1-10

3,723

11-50

4,518

51-200

2,553

201-500

1,010

501-1,000

439

1,001-5,000

352

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 oil and gas offshore support shore base services are linked below.
What qualifies: Company records worldwide whose business descriptions match “oil and gas offshore support shore base 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 89,922 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 October 28, 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.

Oil and gas offshore support shore base services by location

82 lists · largest first

Every Oil and gas offshore support shore base 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 “oil and gas offshore support shore base services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas offshore support shore base services are there worldwide?

RevenueBase identified 12,743 company matches for oil and gas offshore support shore base services worldwide as of October 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?

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

Which country has the most oil and gas offshore support shore base services?

The United States leads with 1,175 companies, followed by Nigeria (928) and the United Kingdom (789). Every oil and gas offshore support shore base services list by country and city is linked on this page.

Which city has the most oil and gas offshore support shore base services?

Singapore leads with 359 company records, followed by Houston (265) and Port Harcourt (262).

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 89,922 professional contacts with verified work emails tracked across these 12,743 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 October 28, 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.