Company lists · Data refreshed November 2026

Top 25 Underwater pipeline operators worldwide

RevenueBase identified 676 company matches for underwater pipeline operators worldwide as of November 2026 and tracks 25,443 professional contacts across them, including 4,168 with verified work emails. The United States is the largest market and Dubai the largest hub.

This list covers company matches for underwater pipeline 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 underwater pipeline 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
676Companies
25,443Contacts tracked
4,168Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest underwater pipeline operators worldwide

Ranked by team size
Top 25 of 676 company matches for underwater pipeline 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 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
2Exact matchBrazilHQ recorded Nov 6, 2026n/a2,408 contacts →

Exact match

“Rov company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact matchColombiaHQ recorded Nov 6, 20261,001-5,0001,306 contacts →

Exact match

“Ismocol S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchElefsina, GreeceHQ recorded Nov 6, 2026501-1,000541 contacts →

Exact match

“ASSO group is a technology driven company specialized to provide services and sub-sea equipment for underwater works in the marine and offshore field.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchKendal, United KingdomHQ recorded Nov 6, 2026201-500476 contacts →

Exact match

“TEAM is a leading industrial services company offering an array of specialized services related to the construction, maintenance, and monitoring of pressurized piping and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchDordrecht, NetherlandsHQ recorded Nov 6, 2026201-500447 contacts →

Exact match

“N-Sea is an end-to-end subsea services provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMira Bhayander, IndiaHQ recorded Nov 6, 2026201-500423 contacts →

Exact match

“COMACOE - Coastal Marine Construction & Engineering Ltd is an experienced marine services contractor with operations in multiple geographies offering a range of service over the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchEunice, LA, United StatesHQ recorded Nov 6, 20261,001-5,000392 contacts →

Exact match

“Our Mission: To be the premier provider for energy related construction services through a commitment to excellence in safety, production, and quality, with the resolve to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNorth Sydney, AustraliaHQ recorded Nov 6, 2026501-1,000391 contacts →

Exact match

“With over 85 years’ experience, Iplex has an excellent understanding of the challenges the water industry faces.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchChelmsford, United KingdomHQ recorded Nov 6, 2026501-1,000371 contacts →

Exact match

“Global Marine is part of the Global Marine Group, and is a market leader in subsea cable installation and maintenance solutions to the telecoms and oil & gas sectors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSriracha, ThailandHQ recorded Nov 6, 2026501-1,000320 contacts →

Exact match

“Mermaid Subsea today operates as a unified structured unit across markets offering customers a comprehensive range of subsea solutions through a highly competent technical and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLa Crosse, MI, United StatesHQ recorded Nov 6, 2026501-1,000273 contacts →

Exact match

“At Brennan, our people are our top priority.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchIrving, TX, United StatesHQ recorded Nov 6, 20261,001-5,000254 contacts →

Exact match

“An integrated oil and gas pipeline contractor, Driver Pipeline has been fulfilling the energy industry's construction, maintenance and repair needs since 1971.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWashougal, FL, United StatesHQ recorded Nov 6, 202651-200252 contacts →

Exact match

“Ballard Marine Construction (Ballard) is a specialty marine and underwater contractor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 2026201-500252 contacts →

Exact match

“LIN SCAN is the brand name of “LIN SCAN ADVANCED PIPELINES & TANKS SERVICES”.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 2026201-500248 contacts →

Exact match

“Dulam International is a leading provider of subsea services to the oil and gas industry in the Middle East and Indian Subcontinent.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCassis, FranceHQ recorded Nov 6, 2026n/a230 contacts →

Exact match

“GEOCEAN is a marine work contractor, based near Marseille, in the south of France, with 30 years experience worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMumbai, IndiaHQ recorded Nov 6, 202651-200223 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchOrlando, FL, United StatesHQ recorded Nov 6, 2026201-500220 contacts →

Exact match

“CUES is the world's leading manufacturer of closed circuit television video (CCTV) inspection, rehabilitation, pipe profiling equipment and pipeline inspection/asset management…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchUnited StatesHQ recorded Nov 6, 202651-200212 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchS. Ilario, ItalyHQ recorded Nov 6, 2026201-500211 contacts →

Exact match

“GS-Hydro's leak-free and reliable solutions are excellent choices for challenging offshore and marine industries as well as numerous land-based industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLargo, LA, United StatesHQ recorded Nov 6, 2026201-500167 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPuerto Montt, ChileHQ recorded Nov 6, 2026501-1,000163 contacts →

Exact match

“Instalación de centros de cultivo acuícola.”

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

Showing 25 of 676 underwater pipeline operators worldwide

See the full list, filter by size, metro and specialty, and access 4,168 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Underwater pipeline operators worldwide at a glance

As of Nov 6, 2026
16.4%Verified-email coverage
37.6Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · Dubai
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
205
11-50
260
51-200
130
201-500
49
501-1,000
11
1,001-5,000
13
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 underwater pipeline operators are linked below.
What qualifies
Company records worldwide whose business descriptions match “underwater pipeline 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 4,168 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.

Underwater pipeline operators by location

3 lists · largest first

Every Underwater pipeline 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 “underwater pipeline operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many underwater pipeline operators are there worldwide?

RevenueBase identified 676 company matches for underwater pipeline 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?

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

Which country has the most underwater pipeline operators?

The United States leads with 159 companies, followed by the United Kingdom (42) and Canada (27). Every underwater pipeline operators list by country and city is linked on this page.

Which city has the most underwater pipeline operators?

Dubai leads with 11 company records, followed by Houston (11) and Calgary (9).

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 4,168 professional contacts with verified work emails tracked across these 676 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 676 underwater pipeline 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.