Company lists · Data refreshed November 2026
Top 24 Subsea testing and commissioning services based in the United States
RevenueBase identified 69 company matches for subsea testing and commissioning services associated with the United States as of November 2026 and tracks 3,224 professional contacts across them, including 540 with verified work emails. Houston is the largest hub.
This list covers company matches for subsea testing and commissioning services 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 November 6, 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.
The 24 largest subsea testing and commissioning services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 678 contacts → | ||||
Exact match “Electric Power Systems is an independent electrical testing & engineering organization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 97 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 93 contacts → | ||||
Exact match “At Apollo, we help our clients commission mission-critical assets that power tomorrow’s economy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 76 contacts → | ||||
Exact match “Subsea Construction” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 47 contacts → | ||||
Exact match “Centurion Subsea Services can provide customers with a fully-integrated service, designed to support the needs of the major oil operators and service companies in complex subsea…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 39 contacts → | ||||
Exact match “The talented Field engineers at HIVOLT Advanced provide electrical testing and commissioning services in a safe and reliable manner.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 34 contacts → | ||||
Exact match “PTS is a technical services company who specializes in providing training, precommissioning, commissioning, startup and operations of new, and existing process facilities.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 28 contacts → | ||||
Exact match “Western Electrical Services, Inc.(WES) formerly known as Advanced Electrical Testing (AET) has been performing electrical testing services since 1996, as part of Northwest Circuit…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 28 contacts → | ||||
Exact match “ModuSpec Deepwater Subsea is part of the MR Group.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 25 contacts → | ||||
Exact match “Deep Down Inc is an oil & energy company based out of Channelview, Texas, United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 20 contacts → | ||||
Exact match “TTL Subsea was founded to fill the need for fast, reliable and safe electrical and fiber optic products/services in the subsea O&G market.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 14 contacts → | ||||
Exact match “MBO Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 14 contacts → | ||||
Exact match “TMCx Solutions, LLC (TestMarcx) is a professional engineering firm specializing in independent, third-party testing and commissioning, re-commissioning and retro-commissioning of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 14 contacts → | ||||
Exact match “SUBC USA LLC is a Subsea Labor company based out of Houston, TX” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 9 contacts → | ||||
Exact match “Delta’s commissioning team(s) are experienced, highly trained and proven.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “Ocean Specialists, Inc.(OSI) is a leading subsea systems integrator and marine operations advisory firm serving the defense and commercial markets with cradle-to-grave project…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match “A solutions focused engineering service company, specializing in Subsea Operational intelligence services for production and drilling systems.*Real Time Condition Monitoring…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 8 contacts → | ||||
Exact match “With over 100 years of combined experience, P&C Prime has the ability to test and commission the protection and control systems in your substation or generating station.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 7 contacts → | ||||
Exact match “DVZ Hydraulics is a family owned and operated Houston based company focused mainly on the Subsea Oil & Gas industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match “Connecting the World Through Subsea Cable Solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match “Volta Services provides commissioning and testing services to utility and industrial clients supporting protection and control upgrades as well as new installations.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “Semper Offshore has extensive experience in sub-sea construction, dive, geophysical, defense research, subsea cable laying support, subsea pipeline support, offshore wind farms…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “The OCS Group is an international oil and gas service company that provides innovative commissioning, inspection and training services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “Clarus Subsea Integrity was established by riser engineering experts, 2H Offshore.” Recorded in the RevenueBase company graph · Nov 6, 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 “subsea testing and commissioning 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 24 of 69 subsea testing and commissioning services based in the United States
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Subsea testing and commissioning services based in the United States at a glance
As of Nov 6, 2026Companies by employee count
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 69 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 testing and commissioning 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. 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 540 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.
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 testing and commissioning services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many subsea testing and commissioning services are there based in the United States?
RevenueBase identified 69 company matches for subsea testing and commissioning services associated with the United States 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?
Electric Power Systems tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most subsea testing and commissioning services?
Houston leads with 15 company records, followed by Houma (3) and Katy (2).
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 540 professional contacts with verified work emails tracked across these 69 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 69 subsea testing and commissioning services based in the United States. Start with a free account, no credit card.
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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.
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Company intelligence · public preview
Top 24 subsea testing and commissioning services based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 69 matching company records for subsea testing and commissioning services based in the United States, with 3,224 tracked contacts and 540 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 24 subsea testing and commissioning services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Electric Power Systemsvoltyx.comHQ: Maryland Heights, MI, United StatesReported employees: 501-1,000 | Maryland Heights, MI, United States | 501-1,000 | Exact match | 678 contacts → |
“Electric Power Systems is an independent electrical testing & engineering organization.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Aries Marine LLCariesmar.comHQ: Garden Grove, United StatesReported employees: 201-500 | Garden Grove, United States | 201-500 | Exact match | 97 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 |  Apollo Mission Critical Engineeringapollomce.comHQ: Atlanta, GA, United StatesReported employees: 51-200 | Atlanta, GA, United States | 51-200 | Exact match | 93 contacts → |
“At Apollo, we help our clients commission mission-critical assets that power tomorrow’s economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Hydra Subsea & Offshore Constructionhydrasubsea.comHQ: Sugar Land, TX, United StatesReported employees: 51-200 | Sugar Land, TX, United States | 51-200 | Exact match | 76 contacts → |
“Subsea Construction” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Centurion Subsea Services UScenturionsubseaservices.comHQ: Katy, TX, United StatesReported employees: 51-200 | Katy, TX, United States | 51-200 | Exact match | 47 contacts → |
“Centurion Subsea Services can provide customers with a fully-integrated service, designed to support the needs of the major oil operators and service companies in complex subsea…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Hivolt Advancedhivoltadvanced.comHQ: Indianapolis, IN, United StatesReported employees: 51-200 | Indianapolis, IN, United States | 51-200 | Exact match | 39 contacts → |
“The talented Field engineers at HIVOLT Advanced provide electrical testing and commissioning services in a safe and reliable manner.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Process Technical Services, INCprocesstechnicalservices.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 34 contacts → |
“PTS is a technical services company who specializes in providing training, precommissioning, commissioning, startup and operations of new, and existing process facilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Western Electrical Services, INCwesternelectricalservices.comHQ: Seattle, CA, United StatesReported employees: 51-200 | Seattle, CA, United States | 51-200 | Exact match | 28 contacts → |
“Western Electrical Services, Inc.(WES) formerly known as Advanced Electrical Testing (AET) has been performing electrical testing services since 1996, as part of Northwest Circuit…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Moduspec Deepwater Subseadeepwatersubsea.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 28 contacts → |
“ModuSpec Deepwater Subsea is part of the MR Group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Deep Down INCdeepdowninc.com HQ: Channelview, TX, United StatesReported employees: 51-200 | Channelview, TX, United States | 51-200 | Exact match | 25 contacts → |
“Deep Down Inc is an oil & energy company based out of Channelview, Texas, United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  TTL Subsea, INCttlsubsea.comHQ: Stafford, TX, United StatesReported employees: 11-50 | Stafford, TX, United States | 11-50 | Exact match | 20 contacts → |
“TTL Subsea was founded to fill the need for fast, reliable and safe electrical and fiber optic products/services in the subsea O&G market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Mbo, INCmbo1.comHQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 14 contacts → |
“MBO Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Tmcx Solutions, LLCtmcxsolutions.comHQ: Las Vegas, NV, United StatesReported employees: 11-50 | Las Vegas, NV, United States | 11-50 | Exact match | 14 contacts → |
“TMCx Solutions, LLC (TestMarcx) is a professional engineering firm specializing in independent, third-party testing and commissioning, re-commissioning and retro-commissioning of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Subc USA LLCsubc-engineering.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 14 contacts → |
“SUBC USA LLC is a Subsea Labor company based out of Houston, TX” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Delta Commissioning Services DCSdeltaconstructors.netHQ: Anchorage, AK, United StatesReported employees: 201-500 | Anchorage, AK, United States | 201-500 | Exact match | 9 contacts → |
“Delta’s commissioning team(s) are experienced, highly trained and proven.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Ocean Specialists, INCoceanspecialists.comHQ: Stuart, FL, United StatesReported employees: 11-50 | Stuart, FL, United States | 11-50 | Exact match | 9 contacts → |
“Ocean Specialists, Inc.(OSI) is a leading subsea systems integrator and marine operations advisory firm serving the defense and commercial markets with cradle-to-grave project…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Tesla Solutions INCteslasolutions.comHQ: Houton, TX, United StatesReported employees: 1-10 | Houton, TX, United States | 1-10 | Exact match | 9 contacts → |
“A solutions focused engineering service company, specializing in Subsea Operational intelligence services for production and drilling systems.*Real Time Condition Monitoring…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  P&c Prime, LLCpandctesting.comHQ: Fredericksburg, IN, United StatesReported employees: 1-10 | Fredericksburg, IN, United States | 1-10 | Exact match | 8 contacts → |
“With over 100 years of combined experience, P&C Prime has the ability to test and commission the protection and control systems in your substation or generating station.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  DVZ Hydraulics LLCdvzhydraulics.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 7 contacts → |
“DVZ Hydraulics is a family owned and operated Houston based company focused mainly on the Subsea Oil & Gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Kalypso Offshore Energykalypso-offshore.comHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 5 contacts → |
“Connecting the World Through Subsea Cable Solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Volta Servicesvoltaserv.comHQ: Ligonier, PA, United StatesReported employees: 1-10 | Ligonier, PA, United States | 1-10 | Exact match | 5 contacts → |
“Volta Services provides commissioning and testing services to utility and industrial clients supporting protection and control upgrades as well as new installations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Semper Offshoresemperoffshore.comHQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 4 contacts → |
“Semper Offshore has extensive experience in sub-sea construction, dive, geophysical, defense research, subsea cable laying support, subsea pipeline support, offshore wind farms…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | OCS Groupocsgroup.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 4 contacts → |
“The OCS Group is an international oil and gas service company that provides innovative commissioning, inspection and training services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Clarus Subsea Integrityclarusintegrity.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 4 contacts → |
“Clarus Subsea Integrity was established by riser engineering experts, 2H Offshore.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 69 company matches
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Subsea testing and commissioning services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
69 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 69 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for subsea testing and commissioning services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many subsea testing and commissioning services did RevenueBase find based in the United States?
The saved snapshot records 69 matching company records, 3,224 tracked contacts and 540 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Subsea testing and commissioning services by geography
Cite this list
RevenueBase Data Team. Top 24 subsea testing and commissioning services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/subsea-testing-and-commissioning-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Subsea testing and commissioning services based in the United Kingdom
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
Company intelligence · public preview
Top 24 subsea testing and commissioning services based in the United States
RevenueBase records 69 matching company records for subsea testing and commissioning services based in the United States, with 3,224 tracked contacts and 540 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 24 subsea testing and commissioning services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Electric Power Systemsvoltyx.com HQ: Maryland Heights, MI, United StatesReported employees: 501-1,000 | Maryland Heights, MI, United States | 501-1,000 | Exact match | 678 contacts → |
“Electric Power Systems is an independent electrical testing & engineering organization.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Aries Marine LLCariesmar.com HQ: Garden Grove, United StatesReported employees: 201-500 | Garden Grove, United States | 201-500 | Exact match | 97 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 | Apollo Mission Critical Engineeringapollomce.com HQ: Atlanta, GA, United StatesReported employees: 51-200 | Atlanta, GA, United States | 51-200 | Exact match | 93 contacts → |
“At Apollo, we help our clients commission mission-critical assets that power tomorrow’s economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Hydra Subsea & Offshore Constructionhydrasubsea.com HQ: Sugar Land, TX, United StatesReported employees: 51-200 | Sugar Land, TX, United States | 51-200 | Exact match | 76 contacts → |
“Subsea Construction” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Centurion Subsea Services UScenturionsubseaservices.com HQ: Katy, TX, United StatesReported employees: 51-200 | Katy, TX, United States | 51-200 | Exact match | 47 contacts → |
“Centurion Subsea Services can provide customers with a fully-integrated service, designed to support the needs of the major oil operators and service companies in complex subsea…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hivolt Advancedhivoltadvanced.com HQ: Indianapolis, IN, United StatesReported employees: 51-200 | Indianapolis, IN, United States | 51-200 | Exact match | 39 contacts → |
“The talented Field engineers at HIVOLT Advanced provide electrical testing and commissioning services in a safe and reliable manner.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Process Technical Services, INCprocesstechnicalservices.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 34 contacts → |
“PTS is a technical services company who specializes in providing training, precommissioning, commissioning, startup and operations of new, and existing process facilities.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Western Electrical Services, INCwesternelectricalservices.com HQ: Seattle, CA, United StatesReported employees: 51-200 | Seattle, CA, United States | 51-200 | Exact match | 28 contacts → |
“Western Electrical Services, Inc.(WES) formerly known as Advanced Electrical Testing (AET) has been performing electrical testing services since 1996, as part of Northwest Circuit…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Moduspec Deepwater Subseadeepwatersubsea.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 28 contacts → |
“ModuSpec Deepwater Subsea is part of the MR Group.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Deep Down INCdeepdowninc.com HQ: Channelview, TX, United StatesReported employees: 51-200 | Channelview, TX, United States | 51-200 | Exact match | 25 contacts → |
“Deep Down Inc is an oil & energy company based out of Channelview, Texas, United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | TTL Subsea, INCttlsubsea.com HQ: Stafford, TX, United StatesReported employees: 11-50 | Stafford, TX, United States | 11-50 | Exact match | 20 contacts → |
“TTL Subsea was founded to fill the need for fast, reliable and safe electrical and fiber optic products/services in the subsea O&G market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mbo, INCmbo1.com HQ: San Diego, CA, United StatesReported employees: 1-10 | San Diego, CA, United States | 1-10 | Exact match | 14 contacts → |
“MBO Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Tmcx Solutions, LLCtmcxsolutions.com HQ: Las Vegas, NV, United StatesReported employees: 11-50 | Las Vegas, NV, United States | 11-50 | Exact match | 14 contacts → |
“TMCx Solutions, LLC (TestMarcx) is a professional engineering firm specializing in independent, third-party testing and commissioning, re-commissioning and retro-commissioning of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Subc USA LLCsubc-engineering.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 14 contacts → |
“SUBC USA LLC is a Subsea Labor company based out of Houston, TX” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Delta Commissioning Services DCSdeltaconstructors.net HQ: Anchorage, AK, United StatesReported employees: 201-500 | Anchorage, AK, United States | 201-500 | Exact match | 9 contacts → |
“Delta’s commissioning team(s) are experienced, highly trained and proven.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ocean Specialists, INCoceanspecialists.com HQ: Stuart, FL, United StatesReported employees: 11-50 | Stuart, FL, United States | 11-50 | Exact match | 9 contacts → |
“Ocean Specialists, Inc.(OSI) is a leading subsea systems integrator and marine operations advisory firm serving the defense and commercial markets with cradle-to-grave project…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Tesla Solutions INCteslasolutions.com HQ: Houton, TX, United StatesReported employees: 1-10 | Houton, TX, United States | 1-10 | Exact match | 9 contacts → |
“A solutions focused engineering service company, specializing in Subsea Operational intelligence services for production and drilling systems.*Real Time Condition Monitoring…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | P&c Prime, LLCpandctesting.com HQ: Fredericksburg, IN, United StatesReported employees: 1-10 | Fredericksburg, IN, United States | 1-10 | Exact match | 8 contacts → |
“With over 100 years of combined experience, P&C Prime has the ability to test and commission the protection and control systems in your substation or generating station.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | DVZ Hydraulics LLCdvzhydraulics.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 7 contacts → |
“DVZ Hydraulics is a family owned and operated Houston based company focused mainly on the Subsea Oil & Gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Kalypso Offshore Energykalypso-offshore.com HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 5 contacts → |
“Connecting the World Through Subsea Cable Solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Volta Servicesvoltaserv.com HQ: Ligonier, PA, United StatesReported employees: 1-10 | Ligonier, PA, United States | 1-10 | Exact match | 5 contacts → |
“Volta Services provides commissioning and testing services to utility and industrial clients supporting protection and control upgrades as well as new installations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Semper Offshoresemperoffshore.com HQ: Boston, MA, United StatesReported employees: 11-50 | Boston, MA, United States | 11-50 | Exact match | 4 contacts → |
“Semper Offshore has extensive experience in sub-sea construction, dive, geophysical, defense research, subsea cable laying support, subsea pipeline support, offshore wind farms…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | OCS Groupocsgroup.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 4 contacts → |
“The OCS Group is an international oil and gas service company that provides innovative commissioning, inspection and training services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Clarus Subsea Integrityclarusintegrity.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 4 contacts → |
“Clarus Subsea Integrity was established by riser engineering experts, 2H Offshore.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 69 company matches
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Subsea testing and commissioning services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
69 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 69 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for subsea testing and commissioning services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many subsea testing and commissioning services did RevenueBase find based in the United States?
The saved snapshot records 69 matching company records, 3,224 tracked contacts and 540 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Subsea testing and commissioning services by geography
Cite this list
RevenueBase Data Team. Top 24 subsea testing and commissioning services based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/subsea-testing-and-commissioning-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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