Company lists · Data refreshed September 2026

Top 25 Subsea systems integrators based in the United States

RevenueBase identified 569 company matches for subsea systems integrators associated with the United States as of September 2026 and tracks 55,009 professional contacts across them, including 15,705 with verified work emails. Houston is the largest hub.

This list covers company matches for subsea systems integrators 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 September 29, 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 Sep 29, 2026 How this list was built
569Companies
55,009Contacts tracked
15,705Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest subsea systems integrators based in the United States

Ranked by team size
Top 25 of 569 company matches for subsea systems integrators based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 Sep 29, 202610001+12,031 contacts →

Exact match

“Oceaneering is a global technology company delivering engineered services and products and robotic solutions to the offshore energy, defense, aerospace, and manufacturing…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Sep 29, 202610001+6,543 contacts →

Exact match

“SLB OneSubsea is the world’s leading subsea technology and solutions provider, focused on accelerating innovation to improve subsea asset performance, while increasing energy…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Sep 29, 20265,001-10,0006,466 contacts →

Exact match

“Long recognized for extraordinary performance, superb safety and long-standing partnerships, and now incorporating Frank’s International, Expro is focused on enabling our…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Sep 29, 202610001+4,749 contacts →

Exact match

“FMC Technologies is now TechnipFMC.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Sep 29, 20265,001-10,0002,215 contacts →

Exact match

“Oil States International, Inc.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Sep 29, 20261,001-5,0001,706 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 · Sep 29, 2026 · View company records in RevenueBase
7Exact matchLewisville, TX, United StatesHQ recorded Sep 29, 20261,001-5,000857 contacts →

Exact match

“Prime Controls was established as a Main Automation Contractor to provide customers a sole source solution for Industrial Automation services and products.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Sep 29, 20261,001-5,000635 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 · Sep 29, 2026 · View company records in RevenueBase
9Exact matchNew Orleans, LA, United StatesHQ recorded Sep 29, 20261,001-5,000567 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Sep 29, 2026501-1,000552 contacts →

Exact match

“Our expertise encompasses the full spectrum of system technologies from pneumatic - hydraulic control systems to state of the art programmable solutions to chemical injection…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchArlington, VA, United StatesHQ recorded Sep 29, 20261,001-5,000527 contacts →

Exact match

“Knowledge, Value and Agility Over maritime professionals - engineers, project managers, designers, technicians, craftsmen, integrators and innovators in 19 countries are proud to…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchShelby Twp., MI, United StatesHQ recorded Sep 29, 2026501-1,000447 contacts →

Exact match

“Fori Automation, LLC is a global leader in the design, build, and integration of custom material handling, assembly, testing, and welding systems.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchTulsa, OK, United StatesHQ recorded Sep 29, 2026501-1,000432 contacts →

Exact match

“Summit ESP is a service of Halliburton that provides integrated Electric Submersible Pumping systems to enhance daily well production and total reservoir recovery.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchShoreview, MN, United StatesHQ recorded Sep 29, 2026501-1,000379 contacts →

Exact match

“From automated manufacturing of life saving medical devices, to safely dismantling Chernobyl, sending rockets into deep space, and adaptive manufacturing of aerospace components…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchSacramento, CA, United StatesHQ recorded Sep 29, 2026201-500313 contacts →

Exact match

“Tesco Controls, a UFT Company, is a full service systems integrator and original equipment manufacturer specializing in the WATER/WASTEWATER, TRANSPORTATION and ELECTRIC UTILITY…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchHouston, TX, United StatesHQ recorded Sep 29, 2026201-500259 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 · Sep 29, 2026 · View company records in RevenueBase
17Exact matchGarden City, NY, United StatesHQ recorded Sep 29, 2026201-500259 contacts →

Exact match

“TRITECH is a leading technology systems integrator providing clients with a single source for engineering, installation and maintenance of large / complex communications, audio…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchChesterfield, MO, United StatesHQ recorded Sep 29, 2026201-500239 contacts →

Exact match

“Experitec has served the industry for over 100 years, partnering with its customers to gain competitive advantages and unlock the hidden potential in their facilities.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchMemphis, TN, United StatesHQ recorded Sep 29, 2026201-500225 contacts →

Exact match

“LOGICAL SYSTEMS (LSI) is an outcome-driven systems integrator specializing in process improvement, electrical engineering, automation, systems integration, and manufacturing…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchNewark, DE, United StatesHQ recorded Sep 29, 2026201-500225 contacts →

Exact match

“Since 1991, Applied Control Engineering (ACE) has prioritized close collaboration with our customers to design, implement, and support advanced control, automation, and…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchShrewsbury, PA, United StatesHQ recorded Sep 29, 2026201-500204 contacts →

Exact match

“MDI is a one stop shop for all of your automation needs.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact matchNashville, TN, United StatesHQ recorded Sep 29, 2026201-500192 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchExton, PA, United StatesHQ recorded Sep 29, 2026201-500188 contacts →

Exact match

“NextGen Security is a security systems integrator that offers industrial companies best in class industry knowledge, engineering design, implementation, management and on-going…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchPhoenix, AZ, United StatesHQ recorded Sep 29, 2026201-500175 contacts →

Exact match

“Vertech is an industrial control systems integration firm providing a complete range of engineering and technical services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchBroussard, LA, United StatesHQ recorded Sep 29, 2026201-500175 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 · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 569 subsea systems integrators based in the United States

See the full list, filter by size, metro and specialty, and access 15,705 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Subsea systems integrators based in the United States at a glance

As of Sep 29, 2026
28.5%Verified-email coverage
96.7Average contacts per company
11-50Median size (employees)
19.9%Largest-city concentration · Houston
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
195
11-50
219
51-200
100
201-500
27
501-1,000
9
1,001-5,000
10
5,001-10,000
3
10001+
6

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 569 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 systems integrators” 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 15,705 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 September 29, 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 systems integrators 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 systems integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many subsea systems integrators are there based in the United States?

RevenueBase identified 569 company matches for subsea systems integrators associated with the United States as of September 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?

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

Which city has the most subsea systems integrators?

Houston leads with 113 company records, followed by Lafayette (7) and Katy (6).

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 15,705 professional contacts with verified work emails tracked across these 569 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 September 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 569 subsea systems integrators based in the United States. 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.