Company lists · Data refreshed September 2026
Top 25 Subsea drilling systems companies based in the United States
RevenueBase identified 251 company matches for subsea drilling systems companies associated with the United States as of September 2026 and tracks 55,718 professional contacts across them, including 12,565 with verified work emails. Houston is the largest hub.
This list covers company matches for subsea drilling systems companies 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 16, 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 25 largest subsea drilling systems companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 16, 2026 · View company records in RevenueBase | |||||
| 2 | 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 16, 2026 · View company records in RevenueBase | |||||
| 3 | 5,601 contacts → | ||||
Exact match “Noble is a leading offshore drilling contractor for the oil and gas industry.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 4,749 contacts → | ||||
Exact match “FMC Technologies is now TechnipFMC.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 3,173 contacts → | ||||
Exact match “We Are Valaris With decades of expertise and strategic commitment built on efficiency, capability and ingenuity, our sights are continually set toward a future built with purpose…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 2,215 contacts → | ||||
Exact match “Oil States International, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 1,706 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 16, 2026 · View company records in RevenueBase | |||||
| 8 | 639 contacts → | ||||
Exact match “Atwood Oceanics, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 635 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 16, 2026 · View company records in RevenueBase | |||||
| 10 | 608 contacts → | ||||
Exact match “Canrig® is a global supplier of rig technology used to enable safe, efficient and responsible drilling operations.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 538 contacts → | ||||
Exact match “On April 15, 2021, Noble Corporation plc completed its acquisition of Pacific Drilling Company LLC.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 432 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 16, 2026 · View company records in RevenueBase | |||||
| 13 | 328 contacts → | ||||
Exact match “ADA is a global energy services company specializing in advanced drilling solutions for oil, gas, and geothermal applications.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 286 contacts → | ||||
Exact match “NOV™ IntelliServ® provides the oil and gas industry with broadband networked drillstrings and along-string evaluation that enables downhole conditions to be measured, evaluated…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 270 contacts → | ||||
Exact match “Strength.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 259 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 16, 2026 · View company records in RevenueBase | |||||
| 17 | 168 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 166 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 155 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 154 contacts → | ||||
Exact match “Downing is an American oilfield solutions provider specializing in pressure-control technologies.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 146 contacts → | ||||
Exact match “Loadmaster Industries is a diversified manufacturing, engineering, design, and field services company with 30 years of experience in the global energy and industrial markets.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 139 contacts → | ||||
Exact match “SERVA develops specialized gas and oilfield equipment to offer reliable, safe and efficient products for global energy development.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 138 contacts → | ||||
Exact match “Since 1989 WWT International (WWT) has been developing unique products to help operators reach farther in drilling, completion and intervention worldwide.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 131 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 120 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 · Sep 16, 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 drilling systems companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 251 subsea drilling systems companies based in the United States
See the full list, filter by size, metro and specialty, and access 12,565 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Subsea drilling systems companies based in the United States at a glance
As of Sep 16, 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 251 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 drilling systems companies” 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 12,565 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 16, 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 drilling systems companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many subsea drilling systems companies are there based in the United States?
RevenueBase identified 251 company matches for subsea drilling systems companies 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 drilling systems companies?
Houston leads with 106 company records, followed by Lafayette (8) and Broussard (7).
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 12,565 professional contacts with verified work emails tracked across these 251 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 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 251 subsea drilling systems companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Subsea drilling systems companies by geography
- Subsea drilling systems companies based in Brazil
- Subsea drilling systems companies based in Canada
- Subsea drilling systems companies based in India
- Subsea drilling systems companies based in Norway
- Subsea drilling systems companies based in the United Arab Emirates
- Subsea drilling systems companies based in the United Kingdom
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Subsea drilling systems companies based in Brazil
- Subsea drilling systems companies based in Canada
- Subsea drilling systems companies based in India
- Subsea drilling systems companies based in Norway
- Subsea drilling systems companies based in the United Arab Emirates
- Subsea drilling systems companies based in the United Kingdom
Company intelligence · public preview
Top 25 subsea drilling systems companies 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 251 matching company records for subsea drilling systems companies based in the United States, with 55,718 tracked contacts and 12,565 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 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 25 subsea drilling systems companies 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 |  Oceaneeringoceaneering.comHQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 12,031 contacts → |
“Oceaneering is a global technology company delivering engineered services and products and robotic solutions to the offshore energy, defense, aerospace, and manufacturing…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Onesubseaonesubsea.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 6,543 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Noble Corporationnoblecorp.comHQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 5,601 contacts → |
“Noble is a leading offshore drilling contractor for the oil and gas industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  FMC Technologiestechnipfmc.comHQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 4,749 contacts → |
“FMC Technologies is now TechnipFMC.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Valaris Limitedvalaris.comHQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 3,173 contacts → |
“We Are Valaris With decades of expertise and strategic commitment built on efficiency, capability and ingenuity, our sights are continually set toward a future built with purpose…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | OIL States Internationaloilstatesintl.com HQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 2,215 contacts → |
“Oil States International, Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Helix Energy Solutions Grouphelixesg.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,706 contacts → |
“Helix Energy Solutions, headquartered in Houston, Texas, is an international offshore energy services company that provides specialty services to the offshore energy industry…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Atwood Oceanicsatwd.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 639 contacts → |
“Atwood Oceanics, Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Worldwide Oilfield Machinewomgroup.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 635 contacts → |
“Worldwide Oilfield Machine (WOM) is a multinational equipment manufacturer specializing in solutions for drilling, testing, production and intervention operations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Canrig Drilling Technology LTDnabors.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 608 contacts → |
“Canrig® is a global supplier of rig technology used to enable safe, efficient and responsible drilling operations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Pacific Drillingpacificdrilling.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 538 contacts → |
“On April 15, 2021, Noble Corporation plc completed its acquisition of Pacific Drilling Company LLC.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Summit ESPsummitesp.com HQ: Tulsa, OK, United StatesReported employees: 501-1,000 | Tulsa, OK, United States | 501-1,000 | Exact match | 432 contacts → |
“Summit ESP is a service of Halliburton that provides integrated Electric Submersible Pumping systems to enhance daily well production and total reservoir recovery.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  AIR Drilling Associatesairdrilling.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 328 contacts → |
“ADA is a global energy services company specializing in advanced drilling solutions for oil, gas, and geothermal applications.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Intelliservnov.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 286 contacts → |
“NOV™ IntelliServ® provides the oil and gas industry with broadband networked drillstrings and along-string evaluation that enables downhole conditions to be measured, evaluated…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Drilling Tools International, INCdrillingtools.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 270 contacts → |
“Strength.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Trendsetter Engineering, INCtrendsetterengineering.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 259 contacts → |
“Trendsetter is a global provider of specialized subsea solutions to the oil and gas industry's toughest challenges.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  SRI Energy, INCsrienergy.comHQ: Sugar Land, United StatesReported employees: 201-500 | Sugar Land, United States | 201-500 | Exact match | 168 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Deepsea Technologiesdeepsea-tech.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 166 contacts → |
“Deepsea Technologies, Inc.(DTI) Engineers and Manufactures a wide range of products and equipment used in subsea oil & gas field development projects.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  PRT Offshore An Expro Companyprtoffshore.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 155 contacts → |
“PRT Offshore, an Expro company, provides high-quality oilfield rental equipment and services for the global offshore industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Downingdowningusa.comHQ: Oklahoma City, OK, United StatesReported employees: 201-500 | Oklahoma City, OK, United States | 201-500 | Exact match | 154 contacts → |
“Downing is an American oilfield solutions provider specializing in pressure-control technologies.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Loadmaster Industriesloadmasterindustries.com HQ: Broussard, LA, United StatesReported employees: 51-200 | Broussard, LA, United States | 51-200 | Exact match | 146 contacts → |
“Loadmaster Industries is a diversified manufacturing, engineering, design, and field services company with 30 years of experience in the global energy and industrial markets.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Serva Groupservagroup.comHQ: Catoosa, OK, United StatesReported employees: 201-500 | Catoosa, OK, United States | 201-500 | Exact match | 139 contacts → |
“SERVA develops specialized gas and oilfield equipment to offer reliable, safe and efficient products for global energy development.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  WWT Internationalwwtco.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 138 contacts → |
“Since 1989 WWT International (WWT) has been developing unique products to help operators reach farther in drilling, completion and intervention worldwide.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Petrolog Grouppetrologgroup.comHQ: Houston, United StatesReported employees: 501-1,000 | Houston, United States | 501-1,000 | Exact match | 131 contacts → |
“Petrolog brings energy to the world as an integrated provider of solutions for the entire oil and gas lifecycle.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Quality Energy Servicesqualityenergy.netHQ: Houma, TX, United StatesReported employees: 201-500 | Houma, TX, United States | 201-500 | Exact match | 120 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 251 company matches
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Subsea drilling systems companies: dataset insights
September 16, 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
249 records in the displayed employee bands.
2 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 251 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: September 16, 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 drilling systems companies?
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 drilling systems companies did RevenueBase find based in the United States?
The saved snapshot records 251 matching company records, 55,718 tracked contacts and 12,565 verified emails. The public preview displays 25 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: September 16, 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 drilling systems companies by geography
- Subsea drilling systems companies based in Brazil
- Subsea drilling systems companies based in Canada
- Subsea drilling systems companies based in India
- Subsea drilling systems companies based in Norway
- Subsea drilling systems companies based in the United Arab Emirates
- Subsea drilling systems companies based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 subsea drilling systems companies based in the United States. Snapshot: September 16, 2026. https://revenuebase.ai/companies/subsea-drilling-systems-companies/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 drilling systems companies based in Brazil
- Subsea drilling systems companies based in Canada
- Subsea drilling systems companies based in India
- Subsea drilling systems companies based in Norway
- Subsea drilling systems companies based in the United Arab Emirates
- Subsea drilling systems companies based in the United Kingdom
Company intelligence · public preview
Top 25 subsea drilling systems companies based in the United States
RevenueBase records 251 matching company records for subsea drilling systems companies based in the United States, with 55,718 tracked contacts and 12,565 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 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 25 subsea drilling systems companies 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 | Oceaneeringoceaneering.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 12,031 contacts → |
“Oceaneering is a global technology company delivering engineered services and products and robotic solutions to the offshore energy, defense, aerospace, and manufacturing…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Onesubseaonesubsea.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 6,543 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Noble Corporationnoblecorp.com HQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 5,601 contacts → |
“Noble is a leading offshore drilling contractor for the oil and gas industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | FMC Technologiestechnipfmc.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 4,749 contacts → |
“FMC Technologies is now TechnipFMC.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Valaris Limitedvalaris.com HQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 3,173 contacts → |
“We Are Valaris With decades of expertise and strategic commitment built on efficiency, capability and ingenuity, our sights are continually set toward a future built with purpose…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | OIL States Internationaloilstatesintl.com HQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 2,215 contacts → |
“Oil States International, Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Helix Energy Solutions Grouphelixesg.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,706 contacts → |
“Helix Energy Solutions, headquartered in Houston, Texas, is an international offshore energy services company that provides specialty services to the offshore energy industry…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Atwood Oceanicsatwd.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 639 contacts → |
“Atwood Oceanics, Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Worldwide Oilfield Machinewomgroup.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 635 contacts → |
“Worldwide Oilfield Machine (WOM) is a multinational equipment manufacturer specializing in solutions for drilling, testing, production and intervention operations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Canrig Drilling Technology LTDnabors.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 608 contacts → |
“Canrig® is a global supplier of rig technology used to enable safe, efficient and responsible drilling operations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Pacific Drillingpacificdrilling.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 538 contacts → |
“On April 15, 2021, Noble Corporation plc completed its acquisition of Pacific Drilling Company LLC.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Summit ESPsummitesp.com HQ: Tulsa, OK, United StatesReported employees: 501-1,000 | Tulsa, OK, United States | 501-1,000 | Exact match | 432 contacts → |
“Summit ESP is a service of Halliburton that provides integrated Electric Submersible Pumping systems to enhance daily well production and total reservoir recovery.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | AIR Drilling Associatesairdrilling.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 328 contacts → |
“ADA is a global energy services company specializing in advanced drilling solutions for oil, gas, and geothermal applications.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Intelliservnov.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 286 contacts → |
“NOV™ IntelliServ® provides the oil and gas industry with broadband networked drillstrings and along-string evaluation that enables downhole conditions to be measured, evaluated…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Drilling Tools International, INCdrillingtools.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 270 contacts → |
“Strength.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Trendsetter Engineering, INCtrendsetterengineering.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 259 contacts → |
“Trendsetter is a global provider of specialized subsea solutions to the oil and gas industry's toughest challenges.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | SRI Energy, INCsrienergy.com HQ: Sugar Land, United StatesReported employees: 201-500 | Sugar Land, United States | 201-500 | Exact match | 168 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Deepsea Technologiesdeepsea-tech.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 166 contacts → |
“Deepsea Technologies, Inc.(DTI) Engineers and Manufactures a wide range of products and equipment used in subsea oil & gas field development projects.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | PRT Offshore An Expro Companyprtoffshore.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 155 contacts → |
“PRT Offshore, an Expro company, provides high-quality oilfield rental equipment and services for the global offshore industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Downingdowningusa.com HQ: Oklahoma City, OK, United StatesReported employees: 201-500 | Oklahoma City, OK, United States | 201-500 | Exact match | 154 contacts → |
“Downing is an American oilfield solutions provider specializing in pressure-control technologies.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Loadmaster Industriesloadmasterindustries.com HQ: Broussard, LA, United StatesReported employees: 51-200 | Broussard, LA, United States | 51-200 | Exact match | 146 contacts → |
“Loadmaster Industries is a diversified manufacturing, engineering, design, and field services company with 30 years of experience in the global energy and industrial markets.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Serva Groupservagroup.com HQ: Catoosa, OK, United StatesReported employees: 201-500 | Catoosa, OK, United States | 201-500 | Exact match | 139 contacts → |
“SERVA develops specialized gas and oilfield equipment to offer reliable, safe and efficient products for global energy development.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | WWT Internationalwwtco.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 138 contacts → |
“Since 1989 WWT International (WWT) has been developing unique products to help operators reach farther in drilling, completion and intervention worldwide.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Petrolog Grouppetrologgroup.com HQ: Houston, United StatesReported employees: 501-1,000 | Houston, United States | 501-1,000 | Exact match | 131 contacts → |
“Petrolog brings energy to the world as an integrated provider of solutions for the entire oil and gas lifecycle.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Quality Energy Servicesqualityenergy.net HQ: Houma, TX, United StatesReported employees: 201-500 | Houma, TX, United States | 201-500 | Exact match | 120 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 251 company matches
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Subsea drilling systems companies: dataset insights
September 16, 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
249 records in the displayed employee bands.
2 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 251 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: September 16, 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 drilling systems companies?
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 drilling systems companies did RevenueBase find based in the United States?
The saved snapshot records 251 matching company records, 55,718 tracked contacts and 12,565 verified emails. The public preview displays 25 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: September 16, 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 drilling systems companies by geography
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- Subsea drilling systems companies based in the United Arab Emirates
- Subsea drilling systems companies based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 subsea drilling systems companies based in the United States. Snapshot: September 16, 2026. https://revenuebase.ai/companies/subsea-drilling-systems-companies/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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- Subsea drilling systems companies based in Brazil
- Subsea drilling systems companies based in Canada
- Subsea drilling systems companies based in India
- Subsea drilling systems companies based in Norway
- Subsea drilling systems companies based in the United Arab Emirates
- Subsea drilling systems companies based in the United Kingdom