Company lists · Data refreshed October 2026

Top 25 Subsea maintenance contractors based in the United States

RevenueBase identified 286 company matches for subsea maintenance contractors associated with the United States as of October 2026 and tracks 10,393 professional contacts across them, including 1,916 with verified work emails. Houston is the largest hub.

This list covers company matches for subsea maintenance contractors associated with the United States, 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 22, 2026.

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 22, 2026 How this list was built
286Companies
10,393Contacts tracked
1,916Verified emails
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The 25 largest subsea maintenance contractors based in the United States

Ranked by team size
Top 25 of 286 company matches for subsea maintenance contractors based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 22, 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 Oct 22, 20261,001-5,0001,771 contacts →

Exact match

“Helix Energy Solutions, headquartered in Houston, Texas, is an international offshore energy services company that provides specialty services to the offshore energy industry…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Oct 22, 20261,001-5,000627 contacts →

Exact match

“Worldwide Oilfield Machine (WOM) is a multinational equipment manufacturer specializing in solutions for drilling, testing, production and intervention operations.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
3Exact matchHouma, LA, United StatesHQ recorded Oct 22, 2026501-1,000307 contacts →

Exact match

“Performance Energy Services, a Danos company, was formed in to deliver safe, client-focused support to the onshore and offshore energy markets.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
4Exact matchVirginia Beach, VA, United StatesHQ recorded Oct 22, 2026501-1,000284 contacts →

Exact match

“Quod Erat Demonstrandum (QED) – “That which has been demonstrated or proven” – QED Systems Inc.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Oct 22, 2026201-500271 contacts →

Exact match

“Trendsetter is a global provider of specialized subsea solutions to the oil and gas industry's toughest challenges.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
6Exact matchWashougal, WA, United StatesHQ recorded Oct 22, 202651-200245 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
7Exact matchEssex, CT, United StatesHQ recorded Oct 22, 2026201-500189 contacts →

Exact match

“Since 1969, Underwater Construction Corporation (UCC) has been a leading provider of underwater services to commercial and government facilities.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
8Exact matchMiami, FL, United StatesHQ recorded Oct 22, 2026201-500171 contacts →

Exact match

“Welcome to Subsea Global Solutions where EVERY DAY our goal is to deliver unrivaled service.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
9Exact matchLargo, United StatesHQ recorded Oct 22, 2026201-500166 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
10Exact matchBroussard, LA, United StatesHQ recorded Oct 22, 2026201-500165 contacts →

Exact match

“Aqueos is a 'World Class Subsea Service Provider℠' with our core values being a commitment to “excellence” and our dedication to an “accident-free” workplace.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Oct 22, 202651-200158 contacts →

Exact match

“Deepsea Technologies, Inc.(DTI) Engineers and Manufactures a wide range of products and equipment used in subsea oil & gas field development projects.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Oct 22, 202651-200157 contacts →

Exact match

“PRT Offshore, an Expro company, provides high-quality oilfield rental equipment and services for the global offshore industry.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
13Exact matchHouma, LA, United StatesHQ recorded Oct 22, 202651-200132 contacts →

Exact match

“As the youngest active dive vessels in the Gulf of Mexico, we strive to safely deliver service with fervent integrity and determination.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
14Exact matchHouston, United StatesHQ recorded Oct 22, 2026501-1,000131 contacts →

Exact match

“Petrolog brings energy to the world as an integrated provider of solutions for the entire oil and gas lifecycle.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
15Exact matchHouston, TX, United StatesHQ recorded Oct 22, 2026201-500128 contacts →

Exact match

“BISSO MARINE is a subsea & offshore midstream infrastructure contractor that has been providing unsurpassed service and quality to the marine and energy industries since 1890.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
16Exact matchHouma, TX, United StatesHQ recorded Oct 22, 2026201-500127 contacts →

Exact match

“Since 2001, Quality Energy Services has been an industry leader in providing total-solution services to energy majors in the gulf of Mexico and to future ventures in the world…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
17Exact matchSchriever, LA, United StatesHQ recorded Oct 22, 2026201-500116 contacts →

Exact match

“PDI Solutions provides a wide array of services in the operations, maintenance and inspections to the oil and gas industry, as well as the renewable energy industry sector.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
18Exact matchLafayette, LA, United StatesHQ recorded Oct 22, 202651-200113 contacts →

Exact match

“BlueFin, a 100% employee-owned, GATE Energy company, is the field services arm of GATE Energy.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Oct 22, 202611-50103 contacts →

Exact match

“Deep Sea Development Services Inc.(DSDS) is a Houston-based service company focused on subsea and deepwater development projects The company was formed in 1996 to meet the need…”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
20Exact matchGarden Grove, United StatesHQ recorded Oct 22, 2026201-50095 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
21Exact matchHouma, LA, United StatesHQ recorded Oct 22, 202651-20085 contacts →

Exact match

“Bordelon Marine is a leading provider of offshore support and subsea services operating in the U.S.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Oct 22, 202651-20084 contacts →

Exact match

“DeepOcean is the leading, subsea services provider, servicing any equipment with specialized expertise.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Oct 22, 202651-20082 contacts →

Exact match

“The ideal partner for all your tubular-related needs, Tubular Solutions links the critical services required for inspection, monitoring and maintenance.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
24Exact matchHouston, TX, United StatesHQ recorded Oct 22, 202651-20074 contacts →

Exact match

“OES has established itself as a leader in the subsea hydraulic controls sector of the the Oil & Gas industry.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Oct 22, 2026n/a73 contacts →

Exact match

“Marine and Construction focuses on customer needs across the entire life cycle of assets within the offshore and marine industry.”

Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase

Showing 25 of 286 subsea maintenance contractors based in the United States

See the full list, filter by size, metro and specialty, and access 1,916 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Subsea maintenance contractors based in the United States at a glance

As of Oct 22, 2026
18.4%Verified-email coverage
36.3Average contacts per company
11-50Median size (employees)
20.3%Largest-city concentration · Houston
Oct 22, 2026Page data refreshed

Companies by employee count

1-10
112
11-50
89
51-200
54
201-500
17
501-1,000
6
1,001-5,000
4
10001+
3

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 286 companies.

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.
What qualifies
Company records associated with the United States whose business descriptions match “subsea maintenance 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,916 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 22, 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.

Subsea maintenance contractors by metro

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 “subsea maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many subsea maintenance contractors are there based in the United States?

RevenueBase identified 286 company matches for subsea maintenance contractors associated with the United States 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?

Helix Energy Solutions Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most subsea maintenance contractors?

Houston leads with 58 company records, followed by Houma (8) and Belle Chasse (5).

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 1,916 professional contacts with verified work emails tracked across these 286 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 22, 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.