Company lists · Data refreshed September 2026
Top 25 Well drilling services based in the United States
RevenueBase identified 774 company matches for well drilling services associated with the United States as of September 2026 and tracks 7,910 professional contacts across them, including 1,561 with verified work emails. Houston is the largest hub.
This list covers company matches for well drilling services associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 22, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest well drilling services based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,317 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 · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 440 contacts → | ||||
Exact match “As the largest privately-held domestic land drilling contractor in the United States, Cactus provides competent, motivated personnel utilizing premium equipment to meet and exceed…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 328 contacts → | ||||
Exact match “ADA is a global energy services company specializing in advanced drilling solutions for oil, gas, and geothermal applications.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 291 contacts → | ||||
Exact match “LEAM Drilling Systems, Inc.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 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 · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 83 contacts → | ||||
Exact match “Hole Products is a leading manufacturer and supplier of high performance drilling supplies, tools and equipment to the construction, direct push, environmental, geotechnical…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 77 contacts → | ||||
Exact match “With more than 7.4 million feet drilled in the past seven years, Timberline Drilling has a proven track records in safety and production.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 65 contacts → | ||||
Exact match “GEO Drilling Fluids Mission is to provide the most cost effective source for drilling fluids and engineering applications in each of its operating areas.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 56 contacts → | ||||
Exact match “Authentic relationships are standard practice at Weisinger Incorporated.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 52 contacts → | ||||
Exact match “We at Allied Well Drilling are a full service commercial and residential gethermal heating/cooling system installer, specializing in vertically drilled closed loop systems.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 45 contacts → | ||||
Exact match “Continuing to Provide Knowledgable and Reliable Drilling Services.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 42 contacts → | ||||
Exact match “Mobile Drill Intl manufactures a full line of drill rigs and tooling servicing the Geotechnical, Environmental, Mineral Exploration, Water Well and Seismic industries.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 32 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 31 contacts → | ||||
Exact match “Keystone Drill Services pairs over a century of drilling experience with a diverse supplier network to resolve drill-related issues with unprecedented efficiency.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 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 · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 30 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 27 contacts → | ||||
Exact match “Quintana Energy Services (QES) is a leading provider of US onshore drilling and completion services.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 25 contacts → | ||||
Exact match “A.C.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 24 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 24 contacts → | ||||
Exact match “Since 2003, Downhole Drilling Services, LLC has been a driving force in the horizontal/directional drilling industry.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 21 | 23 contacts → | ||||
Exact match “Environmental and geotechnical drilling company with two offices based out of Signal Hill (Los Angeles), CA, Bloomington (San Bernardino), CA and Las Vegas, NV.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 22 | 21 contacts → | ||||
Exact match “C&J Well Company is Central Indiana's premier drilling and full service well contractor company.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 23 | 21 contacts → | ||||
Exact match “When your company needs oil and gas exploration, geothermal, disposal, water wells, caisson, pier or conductor/rat/mouse holes, using top of the line, well maintained equipment…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 24 | 20 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 25 | 20 contacts → | ||||
Exact match “Florida Drilling is a licensed water well and general contractor and leading provider of water well drilling and water resource construction services located in West Palm Beach…” Recorded in the RevenueBase company graph · Sep 22, 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 “well drilling 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 25 of 774 well drilling services based in the United States
See the full list, filter by size, metro and specialty, and access 1,561 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Well drilling services based in the United States at a glance
As of Sep 22, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 774 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “well drilling 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 1,561 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “well drilling services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many well drilling services are there based in the United States?
RevenueBase identified 774 company matches for well drilling services associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Patterson-Uti tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most well drilling services?
Houston leads with 17 company records, followed by Midland (10) and Woodland (6).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,561 professional contacts with verified work emails tracked across these 774 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 774 well drilling services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Well drilling services by geography
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- Well drilling services based in Chile
- Well drilling services based in Germany
- Well drilling services based in Mexico
- Well drilling services based in the Netherlands
- Well drilling services based in South Africa
- Well drilling services based in Sweden
- Well drilling services based in the United Kingdom
Browse the directory
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 well drilling services based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 774 matching company records for well drilling services based in the United States, with 7,910 tracked contacts and 1,561 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 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 well drilling services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Patterson-Utipatenergy.comHQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 2,317 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 · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Cactus Drilling COcactusdrlg.comHQ: Oklahoma City, OK, United StatesReported employees: 1,001-5,000 | Oklahoma City, OK, United States | 1,001-5,000 | Exact match | 440 contacts → |
“As the largest privately-held domestic land drilling contractor in the United States, Cactus provides competent, motivated personnel utilizing premium equipment to meet and exceed…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  AIR Drilling Associatesairdrilling.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 328 contacts → |
“ADA is a global energy services company specializing in advanced drilling solutions for oil, gas, and geothermal applications.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Leam Drilling Servicesleam.netHQ: New Iberia, LA, United StatesReported employees: 501-1,000 | New Iberia, LA, United States | 501-1,000 | Exact match | 291 contacts → |
“LEAM Drilling Systems, Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hole Productsholeproducts.com HQ: Little Falls, MN, United StatesReported employees: 51-200 | Little Falls, MN, United States | 51-200 | Exact match | 83 contacts → |
“Hole Products is a leading manufacturer and supplier of high performance drilling supplies, tools and equipment to the construction, direct push, environmental, geotechnical…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Timberline Drilling, INCtimberline-drilling.com HQ: Elko, NV, United StatesReported employees: 201-500 | Elko, NV, United States | 201-500 | Exact match | 77 contacts → |
“With more than 7.4 million feet drilled in the past seven years, Timberline Drilling has a proven track records in safety and production.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  GEO Drilling Fluids, INCgeodf.comHQ: Bakersfield, CA, United StatesReported employees: 51-200 | Bakersfield, CA, United States | 51-200 | Exact match | 65 contacts → |
“GEO Drilling Fluids Mission is to provide the most cost effective source for drilling fluids and engineering applications in each of its operating areas.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Weisinger Incorporatedweisingerinc.com HQ: Willis, TX, United StatesReported employees: 201-500 | Willis, TX, United States | 201-500 | Exact match | 56 contacts → |
“Authentic relationships are standard practice at Weisinger Incorporated.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Allied Well Drillingalliedwells.comHQ: Laurel, MD, United StatesReported employees: 51-200 | Laurel, MD, United States | 51-200 | Exact match | 52 contacts → |
“We at Allied Well Drilling are a full service commercial and residential gethermal heating/cooling system installer, specializing in vertically drilled closed loop systems.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Holt Services, INCholtservicesinc.com HQ: Edgewood, WA, United StatesReported employees: 51-200 | Edgewood, WA, United States | 51-200 | Exact match | 45 contacts → |
“Continuing to Provide Knowledgable and Reliable Drilling Services.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mobile Drill Intlmobiledrill.net HQ: Indianapolis, IN, United StatesReported employees: 11-50 | Indianapolis, IN, United States | 11-50 | Exact match | 42 contacts → |
“Mobile Drill Intl manufactures a full line of drill rigs and tooling servicing the Geotechnical, Environmental, Mineral Exploration, Water Well and Seismic industries.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Boart Long Yearboartlongyear.comHQ: Oakdale, CA, United StatesReported employees: 201-500 | Oakdale, CA, United States | 201-500 | Exact match | 32 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Keystone Drill Serviceskeystonedrill.com HQ: Somerset, PA, United StatesReported employees: 11-50 | Somerset, PA, United States | 11-50 | Exact match | 31 contacts → |
“Keystone Drill Services pairs over a century of drilling experience with a diverse supplier network to resolve drill-related issues with unprecedented efficiency.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Sendero Drilling Company LLCsenderodrilling.com HQ: San Angelo, TX, United StatesReported employees: 51-200 | San Angelo, TX, United States | 51-200 | Exact match | 30 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Quintana Energy Servicesquintanaenergyservices.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 27 contacts → |
“Quintana Energy Services (QES) is a leading provider of US onshore drilling and completion services.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  A.C. Schultes, INCacschultes.comHQ: Woodbury Heights, NJ, United StatesReported employees: 51-200 | Woodbury Heights, NJ, United States | 51-200 | Exact match | 25 contacts → |
“A.C.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Griner Drilling Service, INCgrinerdrillingservice.com HQ: Columbia, MS, United StatesReported employees: 51-200 | Columbia, MS, United States | 51-200 | Exact match | 24 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Downhole Drilling Services, LLCdownholedrilling.com HQ: Broussard, LA, United StatesReported employees: 51-200 | Broussard, LA, United States | 51-200 | Exact match | 24 contacts → |
“Since 2003, Downhole Drilling Services, LLC has been a driving force in the horizontal/directional drilling industry.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  ABC Liovin Drilling, INCabcdrilling.comHQ: Signal Hill, CA, United StatesReported employees: 51-200 | Signal Hill, CA, United States | 51-200 | Exact match | 23 contacts → |
“Environmental and geotechnical drilling company with two offices based out of Signal Hill (Los Angeles), CA, Bloomington (San Bernardino), CA and Las Vegas, NV.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | C&j Well COcj4water.com HQ: Brownsburg, IN, United StatesReported employees: 11-50 | Brownsburg, IN, United States | 11-50 | Exact match | 21 contacts → |
“C&J Well Company is Central Indiana's premier drilling and full service well contractor company.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | White Mountain Operatingwmoperating.com HQ: Pinedale, WY, United StatesReported employees: 51-200 | Pinedale, WY, United States | 51-200 | Exact match | 21 contacts → |
“When your company needs oil and gas exploration, geothermal, disposal, water wells, caisson, pier or conductor/rat/mouse holes, using top of the line, well maintained equipment…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Connelly And Associates, INCconnellyandassociates.com HQ: Frederick, MD, United StatesReported employees: 51-200 | Frederick, MD, United States | 51-200 | Exact match | 20 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Florida Drillingfldrilling.com HQ: West Palm Beach, FL, United StatesReported employees: 51-200 | West Palm Beach, FL, United States | 51-200 | Exact match | 20 contacts → |
“Florida Drilling is a licensed water well and general contractor and leading provider of water well drilling and water resource construction services located in West Palm Beach…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 774 company matches
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Well drilling services: dataset insights
September 22, 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
770 records in the displayed employee bands.
4 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 774 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for well drilling 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 well drilling services did RevenueBase find based in the United States?
The saved snapshot records 774 matching company records, 7,910 tracked contacts and 1,561 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 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
Well drilling services by geography
- Well drilling services based in Australia
- Well drilling services based in Brazil
- Well drilling services based in Canada
- Well drilling services based in Chile
- Well drilling services based in Germany
- Well drilling services based in Mexico
- Well drilling services based in the Netherlands
- Well drilling services based in South Africa
- Well drilling services based in Sweden
- Well drilling services based in the United Kingdom
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 well drilling services based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/well-drilling-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 well drilling services based in the United States
RevenueBase records 774 matching company records for well drilling services based in the United States, with 7,910 tracked contacts and 1,561 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 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 well drilling services based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Patterson-Utipatenergy.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 2,317 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 · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Cactus Drilling COcactusdrlg.com HQ: Oklahoma City, OK, United StatesReported employees: 1,001-5,000 | Oklahoma City, OK, United States | 1,001-5,000 | Exact match | 440 contacts → |
“As the largest privately-held domestic land drilling contractor in the United States, Cactus provides competent, motivated personnel utilizing premium equipment to meet and exceed…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | AIR Drilling Associatesairdrilling.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 328 contacts → |
“ADA is a global energy services company specializing in advanced drilling solutions for oil, gas, and geothermal applications.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Leam Drilling Servicesleam.net HQ: New Iberia, LA, United StatesReported employees: 501-1,000 | New Iberia, LA, United States | 501-1,000 | Exact match | 291 contacts → |
“LEAM Drilling Systems, Inc.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hole Productsholeproducts.com HQ: Little Falls, MN, United StatesReported employees: 51-200 | Little Falls, MN, United States | 51-200 | Exact match | 83 contacts → |
“Hole Products is a leading manufacturer and supplier of high performance drilling supplies, tools and equipment to the construction, direct push, environmental, geotechnical…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Timberline Drilling, INCtimberline-drilling.com HQ: Elko, NV, United StatesReported employees: 201-500 | Elko, NV, United States | 201-500 | Exact match | 77 contacts → |
“With more than 7.4 million feet drilled in the past seven years, Timberline Drilling has a proven track records in safety and production.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | GEO Drilling Fluids, INCgeodf.com HQ: Bakersfield, CA, United StatesReported employees: 51-200 | Bakersfield, CA, United States | 51-200 | Exact match | 65 contacts → |
“GEO Drilling Fluids Mission is to provide the most cost effective source for drilling fluids and engineering applications in each of its operating areas.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Weisinger Incorporatedweisingerinc.com HQ: Willis, TX, United StatesReported employees: 201-500 | Willis, TX, United States | 201-500 | Exact match | 56 contacts → |
“Authentic relationships are standard practice at Weisinger Incorporated.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Allied Well Drillingalliedwells.com HQ: Laurel, MD, United StatesReported employees: 51-200 | Laurel, MD, United States | 51-200 | Exact match | 52 contacts → |
“We at Allied Well Drilling are a full service commercial and residential gethermal heating/cooling system installer, specializing in vertically drilled closed loop systems.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Holt Services, INCholtservicesinc.com HQ: Edgewood, WA, United StatesReported employees: 51-200 | Edgewood, WA, United States | 51-200 | Exact match | 45 contacts → |
“Continuing to Provide Knowledgable and Reliable Drilling Services.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mobile Drill Intlmobiledrill.net HQ: Indianapolis, IN, United StatesReported employees: 11-50 | Indianapolis, IN, United States | 11-50 | Exact match | 42 contacts → |
“Mobile Drill Intl manufactures a full line of drill rigs and tooling servicing the Geotechnical, Environmental, Mineral Exploration, Water Well and Seismic industries.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Boart Long Yearboartlongyear.com HQ: Oakdale, CA, United StatesReported employees: 201-500 | Oakdale, CA, United States | 201-500 | Exact match | 32 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Keystone Drill Serviceskeystonedrill.com HQ: Somerset, PA, United StatesReported employees: 11-50 | Somerset, PA, United States | 11-50 | Exact match | 31 contacts → |
“Keystone Drill Services pairs over a century of drilling experience with a diverse supplier network to resolve drill-related issues with unprecedented efficiency.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Sendero Drilling Company LLCsenderodrilling.com HQ: San Angelo, TX, United StatesReported employees: 51-200 | San Angelo, TX, United States | 51-200 | Exact match | 30 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Quintana Energy Servicesquintanaenergyservices.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 27 contacts → |
“Quintana Energy Services (QES) is a leading provider of US onshore drilling and completion services.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | A.C. Schultes, INCacschultes.com HQ: Woodbury Heights, NJ, United StatesReported employees: 51-200 | Woodbury Heights, NJ, United States | 51-200 | Exact match | 25 contacts → |
“A.C.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Griner Drilling Service, INCgrinerdrillingservice.com HQ: Columbia, MS, United StatesReported employees: 51-200 | Columbia, MS, United States | 51-200 | Exact match | 24 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Downhole Drilling Services, LLCdownholedrilling.com HQ: Broussard, LA, United StatesReported employees: 51-200 | Broussard, LA, United States | 51-200 | Exact match | 24 contacts → |
“Since 2003, Downhole Drilling Services, LLC has been a driving force in the horizontal/directional drilling industry.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | ABC Liovin Drilling, INCabcdrilling.com HQ: Signal Hill, CA, United StatesReported employees: 51-200 | Signal Hill, CA, United States | 51-200 | Exact match | 23 contacts → |
“Environmental and geotechnical drilling company with two offices based out of Signal Hill (Los Angeles), CA, Bloomington (San Bernardino), CA and Las Vegas, NV.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | C&j Well COcj4water.com HQ: Brownsburg, IN, United StatesReported employees: 11-50 | Brownsburg, IN, United States | 11-50 | Exact match | 21 contacts → |
“C&J Well Company is Central Indiana's premier drilling and full service well contractor company.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | White Mountain Operatingwmoperating.com HQ: Pinedale, WY, United StatesReported employees: 51-200 | Pinedale, WY, United States | 51-200 | Exact match | 21 contacts → |
“When your company needs oil and gas exploration, geothermal, disposal, water wells, caisson, pier or conductor/rat/mouse holes, using top of the line, well maintained equipment…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Connelly And Associates, INCconnellyandassociates.com HQ: Frederick, MD, United StatesReported employees: 51-200 | Frederick, MD, United States | 51-200 | Exact match | 20 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Florida Drillingfldrilling.com HQ: West Palm Beach, FL, United StatesReported employees: 51-200 | West Palm Beach, FL, United States | 51-200 | Exact match | 20 contacts → |
“Florida Drilling is a licensed water well and general contractor and leading provider of water well drilling and water resource construction services located in West Palm Beach…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Well drilling services: dataset insights
September 22, 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
770 records in the displayed employee bands.
4 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 774 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for well drilling 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 well drilling services did RevenueBase find based in the United States?
The saved snapshot records 774 matching company records, 7,910 tracked contacts and 1,561 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 22, 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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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 well drilling services based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/well-drilling-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗