Company lists · Data refreshed November 2026
Top 24 Drilling contractor services based in Houston, United States
RevenueBase identified 118 company matches for drilling contractor services associated with Houston, United States as of November 2026 and tracks 29,452 professional contacts across them, including 7,149 with verified work emails. Across the United States, Houston is the largest hub for this category.
This list covers company matches for drilling contractor services associated with Houston, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 24 largest drilling contractor services based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,077 contacts → | ||||
Exact match “Noble is a leading offshore drilling contractor for the oil and gas industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 5,319 contacts → | ||||
Exact match “Seadrill is setting the standard in deepwater oil and gas drilling.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 3,989 contacts → | ||||
Exact match “National Energy Services Reunited Corp.(NESR) was founded in 2017 as one of the largest national oilfield services providers in the MENA and Asia Pacific regions and was the first…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 2,552 contacts → | ||||
Exact match “Patterson-UTI is a leading provider of drilling and completion services to oil and natural gas exploration and production companies in the United States and other select…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 600 contacts → | ||||
Exact match “On April 15, 2021, Noble Corporation plc completed its acquisition of Pacific Drilling Company LLC.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 384 contacts → | ||||
Exact match “Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 354 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 306 contacts → | ||||
Exact match “Corporate Overview Independence Contract Drilling was formed in 2011 as a vertically integrated premium land drilling services provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 293 contacts → | ||||
Exact match “Strength.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 245 contacts → | ||||
Exact match “Yellowjacket Oilfield Services offers cost-effective solutions by leveraging state of the art equipment & technology along with superior personnel.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 111 contacts → | ||||
Exact match “Newsco is a global Directional Drilling and MWD service company, recognized internationally for our quality tools, committed service and for providing customized innovative…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 87 contacts → | ||||
Exact match “Upstream International provides drilling, completions/work-over, directional, MWD, safety, fluids and MPD professionals to the oil and gas industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 85 contacts → | ||||
Exact match “Drillmec is an international leader in design, manufacturing, and distribution of drilling and workover rigs for onshore and offshore applications, as well as a wide range of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 75 contacts → | ||||
Exact match “Ryan Directional Services, a Nabors company, is a leading provider of Directional Drilling and Measurement While Drilling services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 52 contacts → | ||||
Exact match “Patriot Drilling Services is proud to enter the market with one of the most experienced teams in the directional drilling industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 52 contacts → | ||||
Exact match “HDD Industry Sharewell is the leading supplier of downhole drilling tools, guidance systems and services for the Horizontal Directional Drilling industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 44 contacts → | ||||
Exact match “INROCK® is the HDD industry-recognized global leader in performance drilling tools, equipment and services with Sales and Operations facilities in the USA, UK, Canada and Latin…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 41 contacts → | ||||
Exact match “Since our inception in 2007, the company has focused primarily on development drilling from fixed platforms, TLPs, SPARs and compliant towers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 36 contacts → | ||||
Exact match “Quintana Energy Services (QES) is a leading provider of US onshore drilling and completion services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 35 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 31 contacts → | ||||
Exact match “At Universal Fluid Services we combine unmatched drilling experience with our unique ability to fully understand customer needs, resulting in consistently better drilling outcomes.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 27 contacts → | ||||
Exact match “Oilfield Service Professionals, Inc.(OSP) is a top tier technology provider for all Products & Services related to Well Construction, Completions, Downhole Intervention Systems…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 26 contacts → | ||||
Exact match “Prime Downhole Manufacturing is a precision machining and parts manufacture providing Engineering, Service, and Repair of downhole tools and petroleum industry equipment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 18 contacts → | ||||
Exact match “M-I SWACO couples best in class technology with a robust supply chain to deliver the most optimized solution for your drilling uid needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “drilling contractor services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 24 of 118 drilling contractor services based in Houston, United States
See the full list, filter by size, metro and specialty, and access 7,149 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Drilling contractor services based in Houston, United States at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 118 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 Houston, United States whose business descriptions match “drilling contractor services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 7,149 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Drilling contractor services by metro in the United States
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 contractor services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many drilling contractor services are there based in Houston, United States?
RevenueBase identified 118 company matches for drilling contractor services associated with Houston, United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Noble Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in the United States has the most drilling contractor services?
Houston leads the United States with 118 company records, followed by Midland (52) and Odessa (26).
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 7,149 professional contacts with verified work emails tracked across these 118 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 118 drilling contractor services based in Houston, United States. Start with a free account, no credit card.
Download this list →Related lists
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- Drilling contractor services based in Brazil
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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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Drilling contractor services based in Calgary, Canada
- Drilling contractor services based in Ankara, Türkiye
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Company intelligence · public preview
Top 24 drilling contractor services based in Houston, 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 118 matching company records for drilling contractor services based in Houston, United States, with 29,452 tracked contacts and 7,149 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 24 drilling contractor services based in Houston, 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 |  Noble Corporationnoblecorp.comHQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 6,077 contacts → |
“Noble is a leading offshore drilling contractor for the oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Seadrillseadrill.comHQ: Houston, United StatesReported employees: 1,001-5,000 | Houston, United States | 1,001-5,000 | Exact match | 5,319 contacts → |
“Seadrill is setting the standard in deepwater oil and gas drilling.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  NESRnesr.comHQ: Houston, United StatesReported employees: 5,001-10,000 | Houston, United States | 5,001-10,000 | Exact match | 3,989 contacts → |
“National Energy Services Reunited Corp.(NESR) was founded in 2017 as one of the largest national oilfield services providers in the MENA and Asia Pacific regions and was the first…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Patterson-Utipatenergy.comHQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 2,552 contacts → |
“Patterson-UTI is a leading provider of drilling and completion services to oil and natural gas exploration and production companies in the United States and other select…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Pacific Drillingpacificdrilling.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 600 contacts → |
“On April 15, 2021, Noble Corporation plc completed its acquisition of Pacific Drilling Company LLC.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Express Energy Serviceseeslp.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 384 contacts → |
“Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  AIR Drilling Associatesairdrilling.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 354 contacts → |
“ADA is a global energy services company specializing in advanced drilling solutions for oil, gas, and geothermal applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Independence Contract Drillingicdrilling.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 306 contacts → |
“Corporate Overview Independence Contract Drilling was formed in 2011 as a vertically integrated premium land drilling services provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Drilling Tools International, INCdrillingtools.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 293 contacts → |
“Strength.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Yellowjacket Oilfield Servicesyjosllc.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 245 contacts → |
“Yellowjacket Oilfield Services offers cost-effective solutions by leveraging state of the art equipment & technology along with superior personnel.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Newsco International Energy Servicesnewsco-drilling.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 111 contacts → |
“Newsco is a global Directional Drilling and MWD service company, recognized internationally for our quality tools, committed service and for providing customized innovative…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Upstream International LLCupstreaminternational.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 87 contacts → |
“Upstream International provides drilling, completions/work-over, directional, MWD, safety, fluids and MPD professionals to the oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Drillmec INCdrillmec.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 85 contacts → |
“Drillmec is an international leader in design, manufacturing, and distribution of drilling and workover rigs for onshore and offshore applications, as well as a wide range of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ryan Directional Servicesryandirectional.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 75 contacts → |
“Ryan Directional Services, a Nabors company, is a leading provider of Directional Drilling and Measurement While Drilling services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Patriot Drilling Servicespatriotds.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 52 contacts → |
“Patriot Drilling Services is proud to enter the market with one of the most experienced teams in the directional drilling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Sharewell HDDsharewellhdd.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 52 contacts → |
“HDD Industry Sharewell is the leading supplier of downhole drilling tools, guidance systems and services for the Horizontal Directional Drilling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Inrockinrock.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 44 contacts → |
“INROCK® is the HDD industry-recognized global leader in performance drilling tools, equipment and services with Sales and Operations facilities in the USA, UK, Canada and Latin…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Atlantica Management USA INCatlanticatd.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 41 contacts → |
“Since our inception in 2007, the company has focused primarily on development drilling from fixed platforms, TLPs, SPARs and compliant towers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Quintana Energy Servicesquintanaenergyservices.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 36 contacts → |
“Quintana Energy Services (QES) is a leading provider of US onshore drilling and completion services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Mallard Completionsrangerenergy.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 35 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Universal Fluid Services, LLCuniversalfluids.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 31 contacts → |
“At Universal Fluid Services we combine unmatched drilling experience with our unique ability to fully understand customer needs, resulting in consistently better drilling outcomes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Oilfield Service Professionals, LLC OSPoilfieldserviceprofessionals.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 27 contacts → |
“Oilfield Service Professionals, Inc.(OSP) is a top tier technology provider for all Products & Services related to Well Construction, Completions, Downhole Intervention Systems…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Prime Downhole Manufacturing LLCprimedownhole.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 26 contacts → |
“Prime Downhole Manufacturing is a precision machining and parts manufacture providing Engineering, Service, and Repair of downhole tools and petroleum industry equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  M-I Swaco US Landslb.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 18 contacts → |
“M-I SWACO couples best in class technology with a robust supply chain to deliver the most optimized solution for your drilling uid needs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 118 company matches
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Drilling contractor services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
118 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 118 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Drilling contractor services by metro in the United States
Questions about this company list
What does Exact match mean for drilling contractor services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many drilling contractor services did RevenueBase find based in Houston, United States?
The saved snapshot records 118 matching company records, 29,452 tracked contacts and 7,149 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Drilling contractor services by geography
- Drilling contractor services based in Calgary, Canada
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- Drilling contractor services based in Dubai, United Arab Emirates
- Drilling contractor services based in Aberdeen, United Kingdom
- Drilling contractor services based in London, United Kingdom
- Drilling contractor services based in Midland, United States
- Drilling contractor services based in Odessa, United States
- Drilling contractor services based in Argentina
- Drilling contractor services based in Australia
- Drilling contractor services based in Belgium
- Drilling contractor services based in Brazil
- Drilling contractor services based in Canada
Cite this list
RevenueBase Data Team. Top 24 drilling contractor services based in Houston, United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/drilling-contractor-services/united-states/houston.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Company intelligence · public preview
Top 24 drilling contractor services based in Houston, United States
RevenueBase records 118 matching company records for drilling contractor services based in Houston, United States, with 29,452 tracked contacts and 7,149 verified work emails.
This public preview shows 24 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 24 drilling contractor services based in Houston, 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 | Noble Corporationnoblecorp.com HQ: Houston, TX, United StatesReported employees: 5,001-10,000 | Houston, TX, United States | 5,001-10,000 | Exact match | 6,077 contacts → |
“Noble is a leading offshore drilling contractor for the oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Seadrillseadrill.com HQ: Houston, United StatesReported employees: 1,001-5,000 | Houston, United States | 1,001-5,000 | Exact match | 5,319 contacts → |
“Seadrill is setting the standard in deepwater oil and gas drilling.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | NESRnesr.com HQ: Houston, United StatesReported employees: 5,001-10,000 | Houston, United States | 5,001-10,000 | Exact match | 3,989 contacts → |
“National Energy Services Reunited Corp.(NESR) was founded in 2017 as one of the largest national oilfield services providers in the MENA and Asia Pacific regions and was the first…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Patterson-Utipatenergy.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 2,552 contacts → |
“Patterson-UTI is a leading provider of drilling and completion services to oil and natural gas exploration and production companies in the United States and other select…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Pacific Drillingpacificdrilling.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 600 contacts → |
“On April 15, 2021, Noble Corporation plc completed its acquisition of Pacific Drilling Company LLC.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Express Energy Serviceseeslp.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 384 contacts → |
“Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | AIR Drilling Associatesairdrilling.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 354 contacts → |
“ADA is a global energy services company specializing in advanced drilling solutions for oil, gas, and geothermal applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Independence Contract Drillingicdrilling.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 306 contacts → |
“Corporate Overview Independence Contract Drilling was formed in 2011 as a vertically integrated premium land drilling services provider.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Drilling Tools International, INCdrillingtools.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 293 contacts → |
“Strength.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Yellowjacket Oilfield Servicesyjosllc.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 245 contacts → |
“Yellowjacket Oilfield Services offers cost-effective solutions by leveraging state of the art equipment & technology along with superior personnel.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Newsco International Energy Servicesnewsco-drilling.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 111 contacts → |
“Newsco is a global Directional Drilling and MWD service company, recognized internationally for our quality tools, committed service and for providing customized innovative…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Upstream International LLCupstreaminternational.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 87 contacts → |
“Upstream International provides drilling, completions/work-over, directional, MWD, safety, fluids and MPD professionals to the oil and gas industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Drillmec INCdrillmec.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 85 contacts → |
“Drillmec is an international leader in design, manufacturing, and distribution of drilling and workover rigs for onshore and offshore applications, as well as a wide range of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ryan Directional Servicesryandirectional.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 75 contacts → |
“Ryan Directional Services, a Nabors company, is a leading provider of Directional Drilling and Measurement While Drilling services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Patriot Drilling Servicespatriotds.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 52 contacts → |
“Patriot Drilling Services is proud to enter the market with one of the most experienced teams in the directional drilling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Sharewell HDDsharewellhdd.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 52 contacts → |
“HDD Industry Sharewell is the leading supplier of downhole drilling tools, guidance systems and services for the Horizontal Directional Drilling industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Inrockinrock.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 44 contacts → |
“INROCK® is the HDD industry-recognized global leader in performance drilling tools, equipment and services with Sales and Operations facilities in the USA, UK, Canada and Latin…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Atlantica Management USA INCatlanticatd.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 41 contacts → |
“Since our inception in 2007, the company has focused primarily on development drilling from fixed platforms, TLPs, SPARs and compliant towers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Quintana Energy Servicesquintanaenergyservices.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 36 contacts → |
“Quintana Energy Services (QES) is a leading provider of US onshore drilling and completion services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Mallard Completionsrangerenergy.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 35 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Universal Fluid Services, LLCuniversalfluids.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 31 contacts → |
“At Universal Fluid Services we combine unmatched drilling experience with our unique ability to fully understand customer needs, resulting in consistently better drilling outcomes.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Oilfield Service Professionals, LLC OSPoilfieldserviceprofessionals.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 27 contacts → |
“Oilfield Service Professionals, Inc.(OSP) is a top tier technology provider for all Products & Services related to Well Construction, Completions, Downhole Intervention Systems…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Prime Downhole Manufacturing LLCprimedownhole.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 26 contacts → |
“Prime Downhole Manufacturing is a precision machining and parts manufacture providing Engineering, Service, and Repair of downhole tools and petroleum industry equipment.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | M-I Swaco US Landslb.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 18 contacts → |
“M-I SWACO couples best in class technology with a robust supply chain to deliver the most optimized solution for your drilling uid needs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 24 of 118 company matches
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Drilling contractor services: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
118 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 118 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Drilling contractor services by metro in the United States
Questions about this company list
What does Exact match mean for drilling contractor services?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many drilling contractor services did RevenueBase find based in Houston, United States?
The saved snapshot records 118 matching company records, 29,452 tracked contacts and 7,149 verified emails. The public preview displays 24 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 24 drilling contractor services based in Houston, United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/drilling-contractor-services/united-states/houston.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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