Company lists · Data refreshed October 2026

Top 25 Offshore infrastructure contractors worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Oct 19, 2026 7,907 companies tracked

RevenueBase identified 7,907 company matches for offshore infrastructure contractors worldwide as of October 2026 and tracks 690,779 professional contacts across them, including 115,346 with verified work emails. The United States is the largest market and Singapore the largest hub.

This list covers company matches for offshore infrastructure 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 October 19, 2026. Country and city lists for offshore infrastructure 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 Oct 19, 2026 How this list was built

7,907Companies

690,779Contacts tracked

115,346Verified emails

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

The 25 largest offshore infrastructure contractors worldwide

Ranked by team size

Top 25 of 7,907 company matches for offshore infrastructure contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 19, 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 19, 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 19, 2026 · View company records in RevenueBase
2	Mcdermott International, LTD	Exact match	Houston, TX, United StatesHQ recorded Oct 19, 2026	10001+	21,087 contacts →
	Exact match “McDermott is a premier provider of engineering and construction solutions to the energy industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3	Aker Solutions	Exact match	Fornebu, NorwayHQ recorded Oct 19, 2026	10001+	16,152 contacts →
	Exact match “Aker Solutions is a global engineering and technology company known for delivering complex energy projects with trusted quality and predictable results.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4	Technip Former Company	Exact match	United KingdomHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
5	Petrofac	Exact match	London, United KingdomHQ recorded Oct 19, 2026	5,001-10,000	11,863 contacts →
	Exact match “We are a leading international service provider to the energy industry, with a diverse client portfolio including many of the world’s leading energy companies.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
6	Tecnicas Reunidas	Exact match	Madrid, SpainHQ recorded Oct 19, 2026	10001+	11,378 contacts →
	Exact match “TR is an international general contractor engaged in the engineering and construction of industrial facilities in the fields of-Oil & Gas -Refining & Petrochemical -Power…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7	Transocean	Exact match	Zug, SwitzerlandHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
8	SBM Offshore	Exact match	Amsterdam, NetherlandsHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
9	Nmdc Energy	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Oct 19, 2026	10001+	7,167 contacts →
	Exact match “Established in 1973, NMDC Energy (formerly NPCC) is a leading EPC company working in the energy sector.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
10	Afcons Infrastructure Limited	Exact match	Veera Desai Road, IndiaHQ recorded Oct 19, 2026	1,001-5,000	6,682 contacts →
	Exact match “Afcons is flagship infrastructure engineering & construction company of the Shapoorji Pallonji Group.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11	Lamprell	Exact match	Sharjah, United Arab EmiratesHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
12	Noble Corporation	Exact match	Houston, TX, United StatesHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
13	MODEC	Exact match	Chuo-ku, JapanHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
14	Bonatti	Exact match	Parma, United StatesHQ recorded Oct 19, 2026	5,001-10,000	5,233 contacts →
	Exact match “Bonatti is an International Contractor providing services to energy industry with over 75 years of experience.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
15	Seadrill	Exact match	Houston, United StatesHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
16	Daewoo Engineering & Construction Co.,ltd	Exact match	Seoul, South KoreaHQ recorded Oct 19, 2026	5,001-10,000	4,986 contacts →
	Exact match “Daewoo E&C has been enriching people’s lives ever since its establishment in 1973.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
17	Seatrium	Exact match	United StatesHQ recorded Oct 19, 2026	10001+	4,979 contacts →
	Exact match “A Premier Global Player with Deep Engineering Expertise in the offshore, marine and energy industries Engineering our Future Together.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
18	Deme Group	Exact match	Beveren-kruibeke-zwijndrecht, BelgiumHQ recorded Oct 19, 2026	5,001-10,000	4,648 contacts →
	Exact match “DEME (Euronext Brussels: DEME) is a leading contractor in the fields of offshore energy, dredging and marine infrastructure, and environmental remediation.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19	Target Engineering Construction CO LLC	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Oct 19, 2026	5,001-10,000	4,647 contacts →
	Exact match “Target Engineering Construction Company was established in 1975 and operates through its specialized divisions – Power, Oil and Gas Division and Civil & Marine Division.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
20	VAN Oord	Exact match	3063 Nh, NetherlandsHQ recorded Oct 19, 2026	5,001-10,000	4,483 contacts →
	Exact match “Van Oord is a leading international marine contractor focusing on dredging, infrastructure and offshore energy projects.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
21	Cotemar	Exact match	Ciudad Del Carmen, MexicoHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
22	China Harbour Engineering Co. LTD	Exact match	Beijing, ChinaHQ recorded Oct 19, 2026	5,001-10,000	4,026 contacts →
	Exact match “CHEC is focused on basic infrastructure construction, such as Marine Engineering, Dredging and Reclamation, Road and Bridge, Railways, Airports, Complete Plant, and other works.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
23	AIBEL	Exact match	Stavanger, NorwayHQ recorded Oct 19, 2026	1,001-5,000	3,958 contacts →
	Exact match “Aibel builds and maintains critical infrastructure for the energy sector and is one of the largest supplier companies in Norway.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
24	Archirodon Group N.V	Exact match	Dordrecht, NetherlandsHQ recorded Oct 19, 2026	10001+	3,797 contacts →
	Exact match “We are leading EPC players, active in 4 continents and counting on average more than employees.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
25	Boskalis	Exact match	Papendrecht, NetherlandsHQ recorded Oct 19, 2026	10001+	3,503 contacts →
	Exact match “Boskalis is a leading global services provider operating in the dredging, maritime infrastructure and maritime services sectors.” Recorded in the RevenueBase company graph · Oct 19, 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 infrastructure 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 7,907 offshore infrastructure contractors worldwide

See the full list, filter by size, metro and specialty, and access 115,346 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Offshore infrastructure contractors worldwide at a glance

As of Oct 19, 2026

16.7%Verified-email coverage

87.4Average contacts per company

11-50Median size (employees)

3.1%Largest-city concentration · Singapore

Oct 19, 2026Page data refreshed

Companies by employee count

1-10

1,885

11-50

2,579

51-200

1,714

201-500

851

501-1,000

371

1,001-5,000

361

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 infrastructure contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “offshore infrastructure 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 115,346 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 19, 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 infrastructure contractors by location

51 lists · largest first

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

How many offshore infrastructure contractors are there worldwide?

RevenueBase identified 7,907 company matches for offshore infrastructure contractors 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 offshore infrastructure contractors?

The United States leads with 847 companies, followed by the United Kingdom (675) and Nigeria (484). Every offshore infrastructure contractors list by country and city is linked on this page.

Which city has the most offshore infrastructure contractors?

Singapore leads with 243 company records, followed by Houston (183) and Port Harcourt (141).

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 115,346 professional contacts with verified work emails tracked across these 7,907 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 19, 2026.

Ready to reach these companies? Verified emails and direct dials for all 7,907 offshore infrastructure 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.