Company lists · Data refreshed November 2026
Top 25 Geological drilling contractors based in the United States
RevenueBase identified 943 company matches for geological drilling contractors associated with the United States as of November 2026 and tracks 16,346 professional contacts across them, including 4,436 with verified work emails. Houston is the largest hub.
This list covers company matches for geological drilling contractors associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest geological drilling contractors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,245 contacts → | ||||
Exact match “THE ULTIMATE PARTNER IN WELLBORE PLACEMENT Scientific Drilling International is an independent service provider offering a complete high accuracy wellbore placement and drilling…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 498 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 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 | |||||
| 4 | 304 contacts → | ||||
Exact match “LEAM Drilling Systems, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 262 contacts → | ||||
Exact match “CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 205 contacts → | ||||
Exact match “Nomac Drilling is now Patterson-UTI.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 195 contacts → | ||||
Exact match “Maine Drilling & Blasting is all about making it happen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 179 contacts → | ||||
Exact match “National provides mining companies primarily working in the Western United States with the safest, most competitive drilling services in the industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 120 contacts → | ||||
Exact match “Geotechnology, LLC provides geotechnical engineering, environmental sciences, geophysics, construction materials testing, non-destructive testing, water resource management and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 115 contacts → | ||||
Exact match “Geoprobe® Manufactures Powerful, Compact Machines & Tooling that Provide Direct Push, Rotary, & Sonic Drilling Capabilities to the Environmental, Geotechnical, Geothermal, &…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 88 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 86 contacts → | ||||
Exact match “Youngquist Brothers is a privately held well drilling company focused on the construction of large diameter, Class 1 deep injection wells.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 85 contacts → | ||||
Exact match “Kenai is one of the largest drilling contractors in the state of California with rigs available to conduct oil, gas and geothermal drilling on land as well as offshore.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 83 contacts → | ||||
Exact match “Mining & Environmental Services LLC provides specialized technical expertise, at a high level of excellence, to support our Clients throughout the full process cycle of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 82 contacts → | ||||
Exact match “ETTL Engineers & Consultants Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 81 contacts → | ||||
Exact match “Talon/LPE is a full-service firm specializing in environmental consulting, engineering and drilling services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 79 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 78 contacts → | ||||
Exact match “Shaft Drillers International LLC Headquartered in Mt.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 75 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 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 | |||||
| 21 | 74 contacts → | ||||
Exact match “Summit is a trusted leader in environmental industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 73 contacts → | ||||
Exact match “Geoscience • Engineering • Geophysics Collier Consulting, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 70 contacts → | ||||
Exact match “Minerals / Geothermal / Groundwater / Petroleum / Environmental / Infrastructure Are you concerned about ensuring every opportunity for success for your project and stakeholders?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 70 contacts → | ||||
Exact match “Rangefront exists to serve your mining or exploration project in the most efficient, advanced, and forward-thinking way.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 68 contacts → | ||||
Exact match “As a long recognized leader and innovator in the Drilled Shaft Industry, Watson is uniquely qualified to design and manufacture drill rigs for drilled shaft (bored pile)…” 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 “geological drilling contractors”. 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 943 geological drilling contractors based in the United States
See the full list, filter by size, metro and specialty, and access 4,436 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Geological drilling contractors based in the United States at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 943 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 “geological drilling contractors” 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 4,436 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.
Geological drilling contractors by metro
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 “geological drilling contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many geological drilling contractors are there based in the United States?
RevenueBase identified 943 company matches for geological drilling contractors associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Scientific Drilling tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most geological drilling contractors?
Houston leads with 52 company records, followed by Midland (14) and Denver (12).
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 4,436 professional contacts with verified work emails tracked across these 943 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 943 geological drilling contractors based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Geological drilling contractors by geography
- Geological drilling contractors based in Brisbane, Australia
- Geological drilling contractors based in Perth, Australia
- Geological drilling contractors based in Belo Horizonte, Brazil
- Geological drilling contractors based in Sao Paulo, Brazil
- Geological drilling contractors based in Calgary, Canada
- Geological drilling contractors based in Santiago, Chile
- Geological drilling contractors based in Lima, Peru
- Geological drilling contractors based in Johannesburg, South Africa
- Geological drilling contractors based in Ankara, Türkiye
- Geological drilling contractors based in Houston, United States
- Geological drilling contractors based in Argentina
- Geological drilling contractors based in Australia
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
- Geological drilling contractors based in Brisbane, Australia
- Geological drilling contractors based in Perth, Australia
- Geological drilling contractors based in Belo Horizonte, Brazil
- Geological drilling contractors based in Sao Paulo, Brazil
- Geological drilling contractors based in Calgary, Canada
- Geological drilling contractors based in Santiago, Chile
Company intelligence · public preview
Top 25 geological drilling contractors 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 943 matching company records for geological drilling contractors based in the United States, with 16,346 tracked contacts and 4,436 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: 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 25 geological drilling contractors 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 |  Scientific Drillingscientificdrilling.comHQ: The Woodlands, TX, United StatesReported employees: 1,001-5,000 | The Woodlands, TX, United States | 1,001-5,000 | Exact match | 1,245 contacts → |
“THE ULTIMATE PARTNER IN WELLBORE PLACEMENT Scientific Drilling International is an independent service provider offering a complete high accuracy wellbore placement and drilling…” Recorded description excerpt · November 6, 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 | 498 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 · November 6, 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 | 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. | |||||
| 4 |  Leam Drilling Servicesleam.netHQ: New Iberia, LA, United StatesReported employees: 501-1,000 | New Iberia, LA, United States | 501-1,000 | Exact match | 304 contacts → |
“LEAM Drilling Systems, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Cascade Environmental, LLCcascade-env.comHQ: Bothell, WA, United StatesReported employees: 1,001-5,000 | Bothell, WA, United States | 1,001-5,000 | Exact match | 262 contacts → |
“CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Nomac Drillingpatenergy.comHQ: El Reno, OK, United StatesReported employees: 1,001-5,000 | El Reno, OK, United States | 1,001-5,000 | Exact match | 205 contacts → |
“Nomac Drilling is now Patterson-UTI.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Maine Drilling & Blastingmdandb.comHQ: Auburn, NH, United StatesReported employees: 201-500 | Auburn, NH, United States | 201-500 | Exact match | 195 contacts → |
“Maine Drilling & Blasting is all about making it happen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  National EWPnationalewp.comHQ: Elko, NV, United StatesReported employees: 201-500 | Elko, NV, United States | 201-500 | Exact match | 179 contacts → |
“National provides mining companies primarily working in the Western United States with the safest, most competitive drilling services in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Geotechnology, LLCgeotechnology.comHQ: St. Louis, AR, United StatesReported employees: 201-500 | St. Louis, AR, United States | 201-500 | Exact match | 120 contacts → |
“Geotechnology, LLC provides geotechnical engineering, environmental sciences, geophysics, construction materials testing, non-destructive testing, water resource management and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Geoprobe Systemsgeoprobe.comHQ: Salina, KS, United StatesReported employees: 51-200 | Salina, KS, United States | 51-200 | Exact match | 115 contacts → |
“Geoprobe® Manufactures Powerful, Compact Machines & Tooling that Provide Direct Push, Rotary, & Sonic Drilling Capabilities to the Environmental, Geotechnical, Geothermal, &…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Hole Productsholeproducts.comHQ: Little Falls, CA, United StatesReported employees: 51-200 | Little Falls, CA, United States | 51-200 | Exact match | 88 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Youngquist Brothersyoungquistbrothers.comHQ: Fort Myers, FL, United StatesReported employees: 51-200 | Fort Myers, FL, United States | 51-200 | Exact match | 86 contacts → |
“Youngquist Brothers is a privately held well drilling company focused on the construction of large diameter, Class 1 deep injection wells.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Kenai Drilling Limitedkenaidrilling.comHQ: Bakersfield, CA, United StatesReported employees: 51-200 | Bakersfield, CA, United States | 51-200 | Exact match | 85 contacts → |
“Kenai is one of the largest drilling contractors in the state of California with rigs available to conduct oil, gas and geothermal drilling on land as well as offshore.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  MES Miningminenv.comHQ: Sandy, CO, United StatesReported employees: 11-50 | Sandy, CO, United States | 11-50 | Exact match | 83 contacts → |
“Mining & Environmental Services LLC provides specialized technical expertise, at a high level of excellence, to support our Clients throughout the full process cycle of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Ettl Engineers And Consultants INCettlinc.comHQ: Tyler, TX, United StatesReported employees: 51-200 | Tyler, TX, United States | 51-200 | Exact match | 82 contacts → |
“ETTL Engineers & Consultants Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Talon LPEtalonlpe.comHQ: Amarillo, TX, United StatesReported employees: 51-200 | Amarillo, TX, United States | 51-200 | Exact match | 81 contacts → |
“Talon/LPE is a full-service firm specializing in environmental consulting, engineering and drilling services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Timberline Drilling, INCtimberline-drilling.comHQ: Elko, MN, United StatesReported employees: 201-500 | Elko, MN, United States | 201-500 | Exact match | 79 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Shaft Drillers Internationalshaftdrillers.comHQ: Mt Morris, PA, United StatesReported employees: 1,001-5,000 | Mt Morris, PA, United States | 1,001-5,000 | Exact match | 78 contacts → |
“Shaft Drillers International LLC Headquartered in Mt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  GEO Drilling Fluids, INCgeodf.comHQ: Bakersfield, TX, United StatesReported employees: 51-200 | Bakersfield, TX, United States | 51-200 | Exact match | 75 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  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. | |||||
| 21 |  Summit Drillingsummitdrilling.comHQ: Bridgewater, NJ, United StatesReported employees: 51-200 | Bridgewater, NJ, United States | 51-200 | Exact match | 74 contacts → |
“Summit is a trusted leader in environmental industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Collier Consulting & Collier Geophysicscollierconsulting.comHQ: Stephenville, MA, United StatesReported employees: 51-200 | Stephenville, MA, United States | 51-200 | Exact match | 73 contacts → |
“Geoscience • Engineering • Geophysics Collier Consulting, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Zonge Internationalzonge.comHQ: Reno, NV, United StatesReported employees: 51-200 | Reno, NV, United States | 51-200 | Exact match | 70 contacts → |
“Minerals / Geothermal / Groundwater / Petroleum / Environmental / Infrastructure Are you concerned about ensuring every opportunity for success for your project and stakeholders?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Rangefront Mining Servicesrangefront.comHQ: Elko, NV, United StatesReported employees: 51-200 | Elko, NV, United States | 51-200 | Exact match | 70 contacts → |
“Rangefront exists to serve your mining or exploration project in the most efficient, advanced, and forward-thinking way.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Watson Drill Rigswatsonusa.comHQ: Fort Worth, TX, United StatesReported employees: 51-200 | Fort Worth, TX, United States | 51-200 | Exact match | 68 contacts → |
“As a long recognized leader and innovator in the Drilled Shaft Industry, Watson is uniquely qualified to design and manufacture drill rigs for drilled shaft (bored pile)…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 943 company matches
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Geological drilling contractors: 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
942 records in the displayed employee bands.
1 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 943 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 ↗
Geological drilling contractors by metro
Questions about this company list
What does Exact match mean for geological drilling contractors?
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 geological drilling contractors did RevenueBase find based in the United States?
The saved snapshot records 943 matching company records, 16,346 tracked contacts and 4,436 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: 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
Geological drilling contractors by geography
- Geological drilling contractors based in Brisbane, Australia
- Geological drilling contractors based in Perth, Australia
- Geological drilling contractors based in Belo Horizonte, Brazil
- Geological drilling contractors based in Sao Paulo, Brazil
- Geological drilling contractors based in Calgary, Canada
- Geological drilling contractors based in Santiago, Chile
- Geological drilling contractors based in Lima, Peru
- Geological drilling contractors based in Johannesburg, South Africa
- Geological drilling contractors based in Ankara, Türkiye
- Geological drilling contractors based in Houston, United States
- Geological drilling contractors based in Argentina
- Geological drilling contractors based in Australia
Cite this list
RevenueBase Data Team. Top 25 geological drilling contractors based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/geological-drilling-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Geological drilling contractors based in Brisbane, Australia
- Geological drilling contractors based in Perth, Australia
- Geological drilling contractors based in Belo Horizonte, Brazil
- Geological drilling contractors based in Sao Paulo, Brazil
- Geological drilling contractors based in Calgary, Canada
- Geological drilling contractors based in Santiago, Chile
Company intelligence · public preview
Top 25 geological drilling contractors based in the United States
RevenueBase records 943 matching company records for geological drilling contractors based in the United States, with 16,346 tracked contacts and 4,436 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: 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 25 geological drilling contractors 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 | Scientific Drillingscientificdrilling.com HQ: The Woodlands, TX, United StatesReported employees: 1,001-5,000 | The Woodlands, TX, United States | 1,001-5,000 | Exact match | 1,245 contacts → |
“THE ULTIMATE PARTNER IN WELLBORE PLACEMENT Scientific Drilling International is an independent service provider offering a complete high accuracy wellbore placement and drilling…” Recorded description excerpt · November 6, 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 | 498 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 · November 6, 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 | 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. | |||||
| 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 | 304 contacts → |
“LEAM Drilling Systems, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cascade Environmental, LLCcascade-env.com HQ: Bothell, WA, United StatesReported employees: 1,001-5,000 | Bothell, WA, United States | 1,001-5,000 | Exact match | 262 contacts → |
“CASCADE is the leading provider of environmental and geotechnical drilling, site investigation and environmental remediation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Nomac Drillingpatenergy.com HQ: El Reno, OK, United StatesReported employees: 1,001-5,000 | El Reno, OK, United States | 1,001-5,000 | Exact match | 205 contacts → |
“Nomac Drilling is now Patterson-UTI.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Maine Drilling & Blastingmdandb.com HQ: Auburn, NH, United StatesReported employees: 201-500 | Auburn, NH, United States | 201-500 | Exact match | 195 contacts → |
“Maine Drilling & Blasting is all about making it happen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | National EWPnationalewp.com HQ: Elko, NV, United StatesReported employees: 201-500 | Elko, NV, United States | 201-500 | Exact match | 179 contacts → |
“National provides mining companies primarily working in the Western United States with the safest, most competitive drilling services in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Geotechnology, LLCgeotechnology.com HQ: St. Louis, AR, United StatesReported employees: 201-500 | St. Louis, AR, United States | 201-500 | Exact match | 120 contacts → |
“Geotechnology, LLC provides geotechnical engineering, environmental sciences, geophysics, construction materials testing, non-destructive testing, water resource management and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Geoprobe Systemsgeoprobe.com HQ: Salina, KS, United StatesReported employees: 51-200 | Salina, KS, United States | 51-200 | Exact match | 115 contacts → |
“Geoprobe® Manufactures Powerful, Compact Machines & Tooling that Provide Direct Push, Rotary, & Sonic Drilling Capabilities to the Environmental, Geotechnical, Geothermal, &…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Hole Productsholeproducts.com HQ: Little Falls, CA, United StatesReported employees: 51-200 | Little Falls, CA, United States | 51-200 | Exact match | 88 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Youngquist Brothersyoungquistbrothers.com HQ: Fort Myers, FL, United StatesReported employees: 51-200 | Fort Myers, FL, United States | 51-200 | Exact match | 86 contacts → |
“Youngquist Brothers is a privately held well drilling company focused on the construction of large diameter, Class 1 deep injection wells.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Kenai Drilling Limitedkenaidrilling.com HQ: Bakersfield, CA, United StatesReported employees: 51-200 | Bakersfield, CA, United States | 51-200 | Exact match | 85 contacts → |
“Kenai is one of the largest drilling contractors in the state of California with rigs available to conduct oil, gas and geothermal drilling on land as well as offshore.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | MES Miningminenv.com HQ: Sandy, CO, United StatesReported employees: 11-50 | Sandy, CO, United States | 11-50 | Exact match | 83 contacts → |
“Mining & Environmental Services LLC provides specialized technical expertise, at a high level of excellence, to support our Clients throughout the full process cycle of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ettl Engineers And Consultants INCettlinc.com HQ: Tyler, TX, United StatesReported employees: 51-200 | Tyler, TX, United States | 51-200 | Exact match | 82 contacts → |
“ETTL Engineers & Consultants Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Talon LPEtalonlpe.com HQ: Amarillo, TX, United StatesReported employees: 51-200 | Amarillo, TX, United States | 51-200 | Exact match | 81 contacts → |
“Talon/LPE is a full-service firm specializing in environmental consulting, engineering and drilling services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Timberline Drilling, INCtimberline-drilling.com HQ: Elko, MN, United StatesReported employees: 201-500 | Elko, MN, United States | 201-500 | Exact match | 79 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Shaft Drillers Internationalshaftdrillers.com HQ: Mt Morris, PA, United StatesReported employees: 1,001-5,000 | Mt Morris, PA, United States | 1,001-5,000 | Exact match | 78 contacts → |
“Shaft Drillers International LLC Headquartered in Mt.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | GEO Drilling Fluids, INCgeodf.com HQ: Bakersfield, TX, United StatesReported employees: 51-200 | Bakersfield, TX, United States | 51-200 | Exact match | 75 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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. | |||||
| 21 | Summit Drillingsummitdrilling.com HQ: Bridgewater, NJ, United StatesReported employees: 51-200 | Bridgewater, NJ, United States | 51-200 | Exact match | 74 contacts → |
“Summit is a trusted leader in environmental industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Collier Consulting & Collier Geophysicscollierconsulting.com HQ: Stephenville, MA, United StatesReported employees: 51-200 | Stephenville, MA, United States | 51-200 | Exact match | 73 contacts → |
“Geoscience • Engineering • Geophysics Collier Consulting, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Zonge Internationalzonge.com HQ: Reno, NV, United StatesReported employees: 51-200 | Reno, NV, United States | 51-200 | Exact match | 70 contacts → |
“Minerals / Geothermal / Groundwater / Petroleum / Environmental / Infrastructure Are you concerned about ensuring every opportunity for success for your project and stakeholders?” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Rangefront Mining Servicesrangefront.com HQ: Elko, NV, United StatesReported employees: 51-200 | Elko, NV, United States | 51-200 | Exact match | 70 contacts → |
“Rangefront exists to serve your mining or exploration project in the most efficient, advanced, and forward-thinking way.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Watson Drill Rigswatsonusa.com HQ: Fort Worth, TX, United StatesReported employees: 51-200 | Fort Worth, TX, United States | 51-200 | Exact match | 68 contacts → |
“As a long recognized leader and innovator in the Drilled Shaft Industry, Watson is uniquely qualified to design and manufacture drill rigs for drilled shaft (bored pile)…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 943 company matches
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Geological drilling contractors: 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
942 records in the displayed employee bands.
1 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 943 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 ↗
Geological drilling contractors by metro
Questions about this company list
What does Exact match mean for geological drilling contractors?
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 geological drilling contractors did RevenueBase find based in the United States?
The saved snapshot records 943 matching company records, 16,346 tracked contacts and 4,436 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: 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
Geological drilling contractors by geography
- Geological drilling contractors based in Brisbane, Australia
- Geological drilling contractors based in Perth, Australia
- Geological drilling contractors based in Belo Horizonte, Brazil
- Geological drilling contractors based in Sao Paulo, Brazil
- Geological drilling contractors based in Calgary, Canada
- Geological drilling contractors based in Santiago, Chile
- Geological drilling contractors based in Lima, Peru
- Geological drilling contractors based in Johannesburg, South Africa
- Geological drilling contractors based in Ankara, Türkiye
- Geological drilling contractors based in Houston, United States
- Geological drilling contractors based in Argentina
- Geological drilling contractors based in Australia
Cite this list
RevenueBase Data Team. Top 25 geological drilling contractors based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/geological-drilling-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Geological drilling contractors based in Brisbane, Australia
- Geological drilling contractors based in Perth, Australia
- Geological drilling contractors based in Belo Horizonte, Brazil
- Geological drilling contractors based in Sao Paulo, Brazil
- Geological drilling contractors based in Calgary, Canada
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