Company lists · Data refreshed November 2026

Top 25 Horizontal drilling contractors worldwide

RevenueBase identified 2,125 company matches for horizontal drilling contractors worldwide as of November 2026 and tracks 36,981 professional contacts across them, including 7,988 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for horizontal drilling contractors worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for horizontal drilling contractors follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
2,125Companies
36,981Contacts tracked
7,988Verified emails
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The 25 largest horizontal drilling contractors worldwide

Ranked by team size
Top 25 of 2,125 company matches for horizontal drilling contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchCalgary, AB, CanadaHQ recorded Nov 6, 20261,001-5,0002,359 contacts →

Exact match

“Ensign Energy Services Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchColombiaHQ recorded Nov 6, 20261,001-5,0001,306 contacts →

Exact match

“Ismocol S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAmsterdam, NetherlandsHQ recorded Nov 6, 20261,001-5,0001,185 contacts →

Exact match

“HMH is a premier drilling solutions provider - delivering a broad portfolio of products and services that are designed to be the safest and most efficient in the industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCalgary, WY, CanadaHQ recorded Nov 6, 2026501-1,000860 contacts →

Exact match

“Phoenix Technology Services delivers progressive directional drilling solutions to unconventional drilling markets around the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAte, BelgiumHQ recorded Nov 6, 20261,001-5,000690 contacts →

Exact match

“Geotec S.A, empresa de perforación perteneciente a Boyles Bros, fue fundado en 1963 posicionándose como una empresa líder en la industria minera peruana.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchKing Of Prussia, VA, United StatesHQ recorded Nov 6, 20261,001-5,000575 contacts →

Exact match

“As one of the nations largest underground specialty contractors, InfraSource has over employees strategically positioned across more than 20 operating centers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchOklahoma City, OK, United StatesHQ recorded Nov 6, 20261,001-5,000498 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
8Exact matchPodenzano, ItalyHQ recorded Nov 6, 2026501-1,000492 contacts →

Exact match

“PETREVEN is a low impact Drilling Contractor (established in 1998 in Venezuela).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchVancouver, BC, CanadaHQ recorded Nov 6, 2026201-500375 contacts →

Exact match

“ENERGOLD DRILLING is a leading global drilling solutions company that services the mining, infrastructure, and geothermal sectors in the Americas, Africa, and Europe.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchGorinchem, NetherlandsHQ recorded Nov 6, 20261,001-5,000367 contacts →

Exact match

“Van Vulpen legt ondergrondse infrastructuur aan voor energie, water en data.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBrisbane, AustraliaHQ recorded Nov 6, 2026201-500364 contacts →

Exact match

“Welcome to Lucas!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchTulsa, OK, United StatesHQ recorded Nov 6, 20261,001-5,000328 contacts →

Exact match

“The core philosophies and belief systems, which our company strives to deliver are all designed to keep our country on track to someday be energy independent.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 2026501-1,000324 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSpruce Grove, AB, CanadaHQ recorded Nov 6, 20261,001-5,000316 contacts →

Exact match

“Thompson Construction Group is a leading Alberta-based construction firm specializing in heavy civil earthworks, underground utilities, vertical construction, and industrial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNew Iberia, LA, United StatesHQ recorded Nov 6, 2026501-1,000304 contacts →

Exact match

“LEAM Drilling Systems, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchThe Woodlands, AB, United StatesHQ recorded Nov 6, 202651-200302 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 2026201-500298 contacts →

Exact match

“Cathedral Energy Services (TSX:CET) is a trusted partner to North American energy companies requiring high performance directional drilling services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPasig, PhilippinesHQ recorded Nov 6, 2026501-1,000279 contacts →

Exact match

“Thermaprime Drilling Corporation Geothermal, Oil & Gas Drilling BASIC SERVICES Well Construction Management • Drilling of geothermal wells • Drilling of onshore oil and gas wells…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCorona, CA, United StatesHQ recorded Nov 6, 20261,001-5,000273 contacts →

Exact match

“Arizona Pipeline Company (APC) is a leading underground utility contractor, delivering critical infrastructure with a commitment to safety, quality, and long-term performance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchCluster M, United Arab EmiratesHQ recorded Nov 6, 202651-200239 contacts →

Exact match

“Headquartered in Dubai UAE, Sakson Drilling & Oil Services is a drilling contractor dedicated to serving the oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchConroe, TX, United StatesHQ recorded Nov 6, 2026501-1,000234 contacts →

Exact match

“Visit us at MS Directional”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchAnkara, TürkiyeHQ recorded Nov 6, 2026201-500227 contacts →

Exact match

“BORDRILL Drilling Contractor & Trade Co.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 2026501-1,000226 contacts →

Exact match

“Horizon Drilling is a division of Western Energy Corps and is Canada’s most reliable and one of the largest drilling contractors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchConroe, TX, United StatesHQ recorded Nov 6, 2026501-1,000225 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 · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSmithers, ON, CanadaHQ recorded Nov 6, 2026501-1,000219 contacts →

Exact match

“With a focus on preparedness, Hy-Tech Drilling is the long-term partner you can trust to ensure safe and seamless execution, giving you peace of mind.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 2,125 horizontal drilling contractors worldwide

See the full list, filter by size, metro and specialty, and access 7,988 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Horizontal drilling contractors worldwide at a glance

As of Nov 6, 2026
21.6%Verified-email coverage
17.4Average contacts per company
11-50Median size (employees)
2.0%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
679
11-50
838
51-200
412
201-500
106
501-1,000
36
1,001-5,000
23
10001+
1

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for horizontal drilling contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “horizontal 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. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every displayed company carries at least one verified work email. RevenueBase tracks 7,988 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.

Horizontal drilling contractors by location

9 lists · largest first

Every Horizontal drilling contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “horizontal drilling contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many horizontal drilling contractors are there worldwide?

RevenueBase identified 2,125 company matches for horizontal drilling contractors worldwide 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?

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

Which country has the most horizontal drilling contractors?

The United States leads with 911 companies, followed by Canada (188) and Australia (108). Every horizontal drilling contractors list by country and city is linked on this page.

Which city has the most horizontal drilling contractors?

Houston leads with 43 company records, followed by Calgary (27) and Midland (22).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 7,988 professional contacts with verified work emails tracked across these 2,125 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.

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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.