Company lists · Data refreshed September 2026

Top 25 Directional drilling services based in the United States

RevenueBase identified 541 company matches for directional drilling services associated with the United States as of September 2026 and tracks 20,112 professional contacts across them, including 6,100 with verified work emails. Houston is the largest hub.

This list covers company matches for directional 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 19, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 19, 2026 How this list was built
541Companies
20,112Contacts tracked
6,100Verified emails
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The 25 largest directional drilling services based in the United States

Ranked by team size
Top 25 of 541 company matches for directional drilling services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHouston, TX, United StatesHQ recorded Sep 19, 20265,001-10,0006,466 contacts →

Exact match

“Long recognized for extraordinary performance, superb safety and long-standing partnerships, and now incorporating Frank’s International, Expro is focused on enabling our…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Sep 19, 202610001+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 19, 2026 · View company records in RevenueBase
3Exact matchThe Woodlands, TX, United StatesHQ recorded Sep 19, 20261,001-5,0001,134 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 · Sep 19, 2026 · View company records in RevenueBase
4Exact matchOklahoma City, OK, United StatesHQ recorded Sep 19, 20261,001-5,000440 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 19, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Sep 19, 2026201-500328 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 19, 2026 · View company records in RevenueBase
6Exact matchWindsor, CO, United StatesHQ recorded Sep 19, 202651-200313 contacts →

Exact match

“Total Directional Services, LLC is a privately owned, managed and operated service company headquartered in Windsor, CO.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchNew Iberia, LA, United StatesHQ recorded Sep 19, 2026501-1,000291 contacts →

Exact match

“LEAM Drilling Systems, Inc.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchThe Woodlands, TX, United StatesHQ recorded Sep 19, 202651-200288 contacts →

Exact match

“Altitude Energy Partners (AEP) provides trusted expertise in Directional Drilling.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Sep 19, 2026201-500270 contacts →

Exact match

“Strength.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchConroe, TX, United StatesHQ recorded Sep 19, 2026201-500232 contacts →

Exact match

“ProDirectional was established in 2001 by experienced drilling industry professionals who believed the oil and gas services market was lacking a directional services company that…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchConroe, TX, United StatesHQ recorded Sep 19, 2026501-1,000215 contacts →

Exact match

“For more than 30 years, MS Directional, a Patterson-UTI company, has led the way in directional drilling services across North America.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchConroe, TX, United StatesHQ recorded Sep 19, 2026501-1,000209 contacts →

Exact match

“Visit us at MS Directional”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchGillette, WY, United StatesHQ recorded Sep 19, 2026501-1,000153 contacts →

Exact match

“Cyclone Drilling Inc is an Oil and Gas Drilling Contractor in the Rocky Mountain Region.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Sep 19, 202651-200138 contacts →

Exact match

“Since 1989 WWT International (WWT) has been developing unique products to help operators reach farther in drilling, completion and intervention worldwide.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchConroe, TX, United StatesHQ recorded Sep 19, 202651-200113 contacts →

Exact match

“Stryker Directional is a full-service directional drilling company with experience in the most prominent onshore basins in the United States.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchSalina, KS, United StatesHQ recorded Sep 19, 202651-200107 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 · Sep 19, 2026 · View company records in RevenueBase
17Exact matchStafford, TX, United StatesHQ recorded Sep 19, 202651-200105 contacts →

Exact match

“Founded in 2001, Intrepid DDS provides unparalleled service and has set numerous client, field, and basin records for speed, accuracy, and quality of the well bores drilled.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Sep 19, 202611-50103 contacts →

Exact match

“Newsco is a global Directional Drilling and MWD service company, recognized internationally for our quality tools, committed service and for providing customized innovative…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchMustang, OK, United StatesHQ recorded Sep 19, 2026201-50091 contacts →

Exact match

“Plaster & Wald Consulting Corp has provided engineering and consulting services to the oil & gas industry since 1997.Our supervisors provide technical expertise in well planning…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Sep 19, 202651-20087 contacts →

Exact match

“Reliable.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Sep 19, 2026501-1,00087 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 19, 2026 · View company records in RevenueBase
22Exact matchThe Woodlands, TX, United StatesHQ recorded Sep 19, 202651-20085 contacts →

Exact match

“K&M Technology Group was founded in 1988 and has been involved in extended reach and horizontal drilling since its inception.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchTomball, TX, United StatesHQ recorded Sep 19, 202651-20082 contacts →

Exact match

“Since our founding in 2019, Dixon Directional has redefined full-service directional drilling.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchElko, NV, United StatesHQ recorded Sep 19, 2026201-50077 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 19, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Sep 19, 2026201-50071 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 · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 541 directional drilling services based in the United States

See the full list, filter by size, metro and specialty, and access 6,100 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Directional drilling services based in the United States at a glance

As of Sep 19, 2026
30.3%Verified-email coverage
37.2Average contacts per company
11-50Median size (employees)
12.6%Largest-city concentration · Houston
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
165
11-50
238
51-200
94
201-500
25
501-1,000
9
1,001-5,000
7
5,001-10,000
2
10001+
1

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 541 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 “directional 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 6,100 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 19, 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 “directional drilling services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many directional drilling services are there based in the United States?

RevenueBase identified 541 company matches for directional 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?

EXPRO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most directional drilling services?

Houston leads with 68 company records, followed by Midland (20) and Conroe (17).

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 6,100 professional contacts with verified work emails tracked across these 541 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 19, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.