Company lists · Data refreshed October 2026
Top 25 Drilling subs suppliers worldwide
RevenueBase identified 1,061 company matches for drilling subs suppliers worldwide as of October 2026 and tracks 17,990 professional contacts across them, including 3,585 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers company matches for drilling subs suppliers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 24, 2026. Country and city lists for drilling subs suppliers follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest drilling subs suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,652 contacts → | ||||
Exact match “Oil States International, Inc.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 2 | 1,145 contacts → | ||||
Exact match “Stewart & Stevenson is a leading designer, manufacturer and provider of specialized equipment and aftermarket parts and service for the oil and gas and other industries that we…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 3 | 627 contacts → | ||||
Exact match “Worldwide Oilfield Machine (WOM) is a multinational equipment manufacturer specializing in solutions for drilling, testing, production and intervention operations.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 4 | 620 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 · Oct 24, 2026 · View company records in RevenueBase | |||||
| 5 | 570 contacts → | ||||
Exact match “October 2021.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 6 | 445 contacts → | ||||
Exact match “Only Thru Tubing Solutions offers the specialized downhole equipment and services to deliver the results you need, right when you need them.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 7 | 399 contacts → | ||||
Exact match “Founded in 1947, Varel Energy Solutions is one of the world’s largest independent manufacturers and suppliers of downhole drilling and completions products to the energy sector.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 8 | 337 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 9 | 297 contacts → | ||||
Exact match “LEAM Drilling Systems, Inc.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 10 | 288 contacts → | ||||
Exact match “Strength.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 11 | 288 contacts → | ||||
Exact match “We deliver reliable, high-performance drilling & completion equipment, expert engineering support & responsive service to customers in 100+ countries.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 12 | 285 contacts → | ||||
Exact match “Since 2003, Premium Oilfield Technologies has been supplying high quality products to the oil and gas industry.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 13 | 207 contacts → | ||||
Exact match “The Pioneer of Drilling Industry in Vietnam - Belongs to PetroVietnam Corporation.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 14 | 206 contacts → | ||||
Exact match “iTS, now part of the Parker Drilling (NYSE: PKD) family, started in 1986 in Aberdeen, Scotland as a provider of premium rental tools and well services to the international energy…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 15 | 188 contacts → | ||||
Exact match “We would like to introduce WELLCARE OIL TOOLS PRIVATE LIMITED, an established manufacturer and supplier of a comprehensive range of Quality Downhole Drilling and Completion…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 16 | 179 contacts → | ||||
Exact match “Reservoir Group is a world-class niche oilfield services company that has been addressing customer challenges for more than 70 years.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 17 | 157 contacts → | ||||
Exact match “PRT Offshore, an Expro company, provides high-quality oilfield rental equipment and services for the global offshore industry.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 18 | 151 contacts → | ||||
Exact match “A Oilequip Produtos e Serviços Ltda.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 19 | 145 contacts → | ||||
Exact match “When it comes to bottomhole assemblies, there's only one rental tool name to know, Stabil Drill.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 20 | 144 contacts → | ||||
Exact match “Nomac Drilling is now Patterson-UTI.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 21 | 137 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 · Oct 24, 2026 · View company records in RevenueBase | |||||
| 22 | 130 contacts → | ||||
Exact match “LEADERSHIP, EXPERIENCE, QUALITY, AND VALUE BICO DRILLING TOOLS, INC.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 23 | 121 contacts → | ||||
Exact match “OGI FZC is a Global services provider in Rentals / Fishing /Casing running / Manufacture & Repair / inspection and pressure control, Lifting and rigging safety equipment’s and…” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 24 | 109 contacts → | ||||
Exact match “Maref Group es una empresa especializada en el desarrollo, fabricación y comercialización de soluciones químicas para las industrias de Petróleo, Gas, Minería y Construcción.” Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase | |||||
| 25 | 99 contacts → | ||||
Exact match “Black Diamond Oilfield Rentals is a privately held company that offers a comprehensive range of products for rent and services tailored to meet the specific needs of our clients.” Recorded in the RevenueBase company graph · Oct 24, 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 “drilling subs suppliers”. 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 1,061 drilling subs suppliers worldwide
See the full list, filter by size, metro and specialty, and access 3,585 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Drilling subs suppliers worldwide at a glance
As of Oct 24, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for drilling subs suppliers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “drilling subs suppliers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 3,585 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 24, 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.
Drilling subs suppliers by location
7 lists · largest firstEvery Drilling subs suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Drilling subs suppliers based in the United States283
- Drilling subs suppliers based in Canada65
- Drilling subs suppliers based in India48
- Drilling subs suppliers based in the United Arab Emirates46
- Drilling subs suppliers based in the United Kingdom43
- Drilling subs suppliers based in Australia41
Cities
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 “drilling subs suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many drilling subs suppliers are there worldwide?
RevenueBase identified 1,061 company matches for drilling subs suppliers worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
OIL States International tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most drilling subs suppliers?
The United States leads with 283 companies, followed by Canada (65) and India (48). Every drilling subs suppliers list by country and city is linked on this page.
Which city has the most drilling subs suppliers?
Houston leads with 70 company records, followed by Dubai (28) and Calgary (18).
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 3,585 professional contacts with verified work emails tracked across these 1,061 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 24, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,061 drilling subs suppliers worldwide. 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.
More company lists
Company intelligence · public preview
Top 25 drilling subs suppliers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,061 matching company records for drilling subs suppliers worldwide, with 17,990 tracked contacts and 3,585 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: October 24, 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 drilling subs suppliers worldwide
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 | OIL States Internationaloilstatesintl.com HQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 1,652 contacts → |
“Oil States International, Inc.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Stewart & Stevensonstewartandstevenson.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,145 contacts → |
“Stewart & Stevenson is a leading designer, manufacturer and provider of specialized equipment and aftermarket parts and service for the oil and gas and other industries that we…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Worldwide Oilfield Machinewomgroup.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 627 contacts → |
“Worldwide Oilfield Machine (WOM) is a multinational equipment manufacturer specializing in solutions for drilling, testing, production and intervention operations.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Canrig Drilling Technology LTDnabors.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 620 contacts → |
“Canrig® is a global supplier of rig technology used to enable safe, efficient and responsible drilling operations.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Mhwirthhmhw.comHQ: Kristiansand, NorwayReported employees: 1,001-5,000 | Kristiansand, Norway | 1,001-5,000 | Exact match | 570 contacts → |
“October 2021.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Thru Tubing Solutionsthrutubing.comHQ: Newcastle, OK, United StatesReported employees: 501-1,000 | Newcastle, OK, United States | 501-1,000 | Exact match | 445 contacts → |
“Only Thru Tubing Solutions offers the specialized downhole equipment and services to deliver the results you need, right when you need them.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Varel Energy Solutionsvarel.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 399 contacts → |
“Founded in 1947, Varel Energy Solutions is one of the world’s largest independent manufacturers and suppliers of downhole drilling and completions products to the energy sector.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Knight OIL Toolske.servicesHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 337 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 |  Leam Drilling Servicesleam.netHQ: New Iberia, LA, United StatesReported employees: 501-1,000 | New Iberia, LA, United States | 501-1,000 | Exact match | 297 contacts → |
“LEAM Drilling Systems, Inc.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Drilling Tools International, INCdrillingtools.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 288 contacts → |
“Strength.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Mccoy Globalmccoyglobal.comHQ: Edmonton, AB, CanadaReported employees: 51-200 | Edmonton, AB, Canada | 51-200 | Exact match | 288 contacts → |
“We deliver reliable, high-performance drilling & completion equipment, expert engineering support & responsive service to customers in 100+ countries.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Premium Oilfield Technologiespremiumoilfield.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 285 contacts → |
“Since 2003, Premium Oilfield Technologies has been supplying high quality products to the oil and gas industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | PV Drillingpvdrilling.com.vn HQ: Hochiminh, VietnamReported employees: 1,001-5,000 | Hochiminh, Vietnam | 1,001-5,000 | Exact match | 207 contacts → |
“The Pioneer of Drilling Industry in Vietnam - Belongs to PetroVietnam Corporation.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ITS Energy Servicesits-energyservices.com HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 206 contacts → |
“iTS, now part of the Parker Drilling (NYSE: PKD) family, started in 1986 in Aberdeen, Scotland as a provider of premium rental tools and well services to the international energy…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Wellcare OIL Toolswellcareoiltools.comHQ: Alwar, IndiaReported employees: 201-500 | Alwar, India | 201-500 | Exact match | 188 contacts → |
“We would like to introduce WELLCARE OIL TOOLS PRIVATE LIMITED, an established manufacturer and supplier of a comprehensive range of Quality Downhole Drilling and Completion…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Reservoir Groupreservoirgroup.comHQ: Stafford, TX, United StatesReported employees: 201-500 | Stafford, TX, United States | 201-500 | Exact match | 179 contacts → |
“Reservoir Group is a world-class niche oilfield services company that has been addressing customer challenges for more than 70 years.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  PRT Offshore An Expro Companyprtoffshore.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 157 contacts → |
“PRT Offshore, an Expro company, provides high-quality oilfield rental equipment and services for the global offshore industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Oilequipoilequip.com.brHQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 151 contacts → |
“A Oilequip Produtos e Serviços Ltda.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Stabil Drillstabildrill.comHQ: Lafayette, LA, United StatesReported employees: 201-500 | Lafayette, LA, United States | 201-500 | Exact match | 145 contacts → |
“When it comes to bottomhole assemblies, there's only one rental tool name to know, Stabil Drill.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Nomac Drillingpatenergy.comHQ: El Reno, OK, United StatesReported employees: 1,001-5,000 | El Reno, OK, United States | 1,001-5,000 | Exact match | 144 contacts → |
“Nomac Drilling is now Patterson-UTI.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  WWT Internationalwwtco.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 137 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 · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Bico Drilling Toolsbicodrilling.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 130 contacts → |
“LEADERSHIP, EXPERIENCE, QUALITY, AND VALUE BICO DRILLING TOOLS, INC.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | OIL & GAS International OGIogi-fze.com HQ: Sharjah, United Arab EmiratesReported employees: 51-200 | Sharjah, United Arab Emirates | 51-200 | Exact match | 121 contacts → |
“OGI FZC is a Global services provider in Rentals / Fishing /Casing running / Manufacture & Repair / inspection and pressure control, Lifting and rigging safety equipment’s and…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Maref Groupmaref.groupHQ: Luján De Cuyo, ArgentinaReported employees: 51-200 | Luján De Cuyo, Argentina | 51-200 | Exact match | 109 contacts → |
“Maref Group es una empresa especializada en el desarrollo, fabricación y comercialización de soluciones químicas para las industrias de Petróleo, Gas, Minería y Construcción.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Black Diamond Oilfield Servicesbdoilfield.comHQ: The Woodlands, TX, United StatesReported employees: 51-200 | The Woodlands, TX, United States | 51-200 | Exact match | 99 contacts → |
“Black Diamond Oilfield Rentals is a privately held company that offers a comprehensive range of products for rent and services tailored to meet the specific needs of our clients.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,061 company matches
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Drilling subs suppliers: dataset insights
October 24, 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
1,056 records in the displayed employee bands.
5 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,061 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: October 24, 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 ↗
Drilling subs suppliers by location
7 lists · largest firstEvery Drilling subs suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Drilling subs suppliers based in the United States283
- Drilling subs suppliers based in Canada65
- Drilling subs suppliers based in India48
- Drilling subs suppliers based in the United Arab Emirates46
- Drilling subs suppliers based in the United Kingdom43
- Drilling subs suppliers based in Australia41
Cities
Questions about this company list
What does Exact match mean for drilling subs suppliers?
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 drilling subs suppliers did RevenueBase find worldwide?
The saved snapshot records 1,061 matching company records, 17,990 tracked contacts and 3,585 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: October 24, 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 drilling subs suppliers worldwide. Snapshot: October 24, 2026. https://revenuebase.ai/companies/browse/drilling-subs-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 drilling subs suppliers worldwide
RevenueBase records 1,061 matching company records for drilling subs suppliers worldwide, with 17,990 tracked contacts and 3,585 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: October 24, 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 drilling subs suppliers worldwide
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 | OIL States Internationaloilstatesintl.com HQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 1,652 contacts → |
“Oil States International, Inc.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Stewart & Stevensonstewartandstevenson.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,145 contacts → |
“Stewart & Stevenson is a leading designer, manufacturer and provider of specialized equipment and aftermarket parts and service for the oil and gas and other industries that we…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Worldwide Oilfield Machinewomgroup.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 627 contacts → |
“Worldwide Oilfield Machine (WOM) is a multinational equipment manufacturer specializing in solutions for drilling, testing, production and intervention operations.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Canrig Drilling Technology LTDnabors.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 620 contacts → |
“Canrig® is a global supplier of rig technology used to enable safe, efficient and responsible drilling operations.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Mhwirthhmhw.com HQ: Kristiansand, NorwayReported employees: 1,001-5,000 | Kristiansand, Norway | 1,001-5,000 | Exact match | 570 contacts → |
“October 2021.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Thru Tubing Solutionsthrutubing.com HQ: Newcastle, OK, United StatesReported employees: 501-1,000 | Newcastle, OK, United States | 501-1,000 | Exact match | 445 contacts → |
“Only Thru Tubing Solutions offers the specialized downhole equipment and services to deliver the results you need, right when you need them.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Varel Energy Solutionsvarel.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 399 contacts → |
“Founded in 1947, Varel Energy Solutions is one of the world’s largest independent manufacturers and suppliers of downhole drilling and completions products to the energy sector.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Knight OIL Toolske.services HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 337 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Leam Drilling Servicesleam.net HQ: New Iberia, LA, United StatesReported employees: 501-1,000 | New Iberia, LA, United States | 501-1,000 | Exact match | 297 contacts → |
“LEAM Drilling Systems, Inc.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Drilling Tools International, INCdrillingtools.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 288 contacts → |
“Strength.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Mccoy Globalmccoyglobal.com HQ: Edmonton, AB, CanadaReported employees: 51-200 | Edmonton, AB, Canada | 51-200 | Exact match | 288 contacts → |
“We deliver reliable, high-performance drilling & completion equipment, expert engineering support & responsive service to customers in 100+ countries.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Premium Oilfield Technologiespremiumoilfield.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 285 contacts → |
“Since 2003, Premium Oilfield Technologies has been supplying high quality products to the oil and gas industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | PV Drillingpvdrilling.com.vn HQ: Hochiminh, VietnamReported employees: 1,001-5,000 | Hochiminh, Vietnam | 1,001-5,000 | Exact match | 207 contacts → |
“The Pioneer of Drilling Industry in Vietnam - Belongs to PetroVietnam Corporation.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ITS Energy Servicesits-energyservices.com HQ: United StatesReported employees: 501-1,000 | United States | 501-1,000 | Exact match | 206 contacts → |
“iTS, now part of the Parker Drilling (NYSE: PKD) family, started in 1986 in Aberdeen, Scotland as a provider of premium rental tools and well services to the international energy…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Wellcare OIL Toolswellcareoiltools.com HQ: Alwar, IndiaReported employees: 201-500 | Alwar, India | 201-500 | Exact match | 188 contacts → |
“We would like to introduce WELLCARE OIL TOOLS PRIVATE LIMITED, an established manufacturer and supplier of a comprehensive range of Quality Downhole Drilling and Completion…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Reservoir Groupreservoirgroup.com HQ: Stafford, TX, United StatesReported employees: 201-500 | Stafford, TX, United States | 201-500 | Exact match | 179 contacts → |
“Reservoir Group is a world-class niche oilfield services company that has been addressing customer challenges for more than 70 years.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | PRT Offshore An Expro Companyprtoffshore.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 157 contacts → |
“PRT Offshore, an Expro company, provides high-quality oilfield rental equipment and services for the global offshore industry.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Oilequipoilequip.com.br HQ: Rio De Janeiro, BrazilReported employees: 201-500 | Rio De Janeiro, Brazil | 201-500 | Exact match | 151 contacts → |
“A Oilequip Produtos e Serviços Ltda.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Stabil Drillstabildrill.com HQ: Lafayette, LA, United StatesReported employees: 201-500 | Lafayette, LA, United States | 201-500 | Exact match | 145 contacts → |
“When it comes to bottomhole assemblies, there's only one rental tool name to know, Stabil Drill.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Nomac Drillingpatenergy.com HQ: El Reno, OK, United StatesReported employees: 1,001-5,000 | El Reno, OK, United States | 1,001-5,000 | Exact match | 144 contacts → |
“Nomac Drilling is now Patterson-UTI.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | WWT Internationalwwtco.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 137 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 · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Bico Drilling Toolsbicodrilling.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 130 contacts → |
“LEADERSHIP, EXPERIENCE, QUALITY, AND VALUE BICO DRILLING TOOLS, INC.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | OIL & GAS International OGIogi-fze.com HQ: Sharjah, United Arab EmiratesReported employees: 51-200 | Sharjah, United Arab Emirates | 51-200 | Exact match | 121 contacts → |
“OGI FZC is a Global services provider in Rentals / Fishing /Casing running / Manufacture & Repair / inspection and pressure control, Lifting and rigging safety equipment’s and…” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Maref Groupmaref.group HQ: Luján De Cuyo, ArgentinaReported employees: 51-200 | Luján De Cuyo, Argentina | 51-200 | Exact match | 109 contacts → |
“Maref Group es una empresa especializada en el desarrollo, fabricación y comercialización de soluciones químicas para las industrias de Petróleo, Gas, Minería y Construcción.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Black Diamond Oilfield Servicesbdoilfield.com HQ: The Woodlands, TX, United StatesReported employees: 51-200 | The Woodlands, TX, United States | 51-200 | Exact match | 99 contacts → |
“Black Diamond Oilfield Rentals is a privately held company that offers a comprehensive range of products for rent and services tailored to meet the specific needs of our clients.” Recorded description excerpt · October 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Drilling subs suppliers: dataset insights
October 24, 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
1,056 records in the displayed employee bands.
5 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,061 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: October 24, 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 ↗
Drilling subs suppliers by location
7 lists · largest firstEvery Drilling subs suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Drilling subs suppliers based in the United States283
- Drilling subs suppliers based in Canada65
- Drilling subs suppliers based in India48
- Drilling subs suppliers based in the United Arab Emirates46
- Drilling subs suppliers based in the United Kingdom43
- Drilling subs suppliers based in Australia41
Cities
Questions about this company list
What does Exact match mean for drilling subs suppliers?
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 drilling subs suppliers did RevenueBase find worldwide?
The saved snapshot records 1,061 matching company records, 17,990 tracked contacts and 3,585 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: October 24, 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.
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Cite this list
RevenueBase Data Team. Top 25 drilling subs suppliers worldwide. Snapshot: October 24, 2026. https://revenuebase.ai/companies/browse/drilling-subs-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗