Company lists · Data refreshed October 2026

Top 25 Off-center drilling services worldwide

RevenueBase identified 508 company matches for off-center drilling services worldwide as of October 2026 and tracks 23,380 professional contacts across them, including 4,697 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for off-center drilling services 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 October 28, 2026. Country and city lists for off-center drilling services 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 Oct 28, 2026 How this list was built
508Companies
23,380Contacts tracked
4,697Verified emails
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The 25 largest off-center drilling services worldwide

Ranked by team size
Top 25 of 508 company matches for off-center drilling services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 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 Oct 28, 202610001+2,444 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 · Oct 28, 2026 · View company records in RevenueBase
2Exact matchComuna 1, ArgentinaHQ recorded Oct 28, 20261,001-5,0002,247 contacts →

Exact match

“Somos la mayor prestadora de servicios de perforación de la Argentina y somos líderes en la prestación de servicios asociados al mantenimiento y optimización de los pozos de…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3Exact matchMoncton, NB, CanadaHQ recorded Oct 28, 20261,001-5,0001,518 contacts →

Exact match

“Major Drilling Group International Inc.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4Exact matchThe Woodlands, TX, United StatesHQ recorded Oct 28, 20261,001-5,0001,213 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 · Oct 28, 2026 · View company records in RevenueBase
5Exact matchAmsterdam, NetherlandsHQ recorded Oct 28, 20261,001-5,0001,165 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 · Oct 28, 2026 · View company records in RevenueBase
6Exact matchUnited StatesHQ recorded Oct 28, 20261,001-5,0001,017 contacts →

Exact match

“Empresa líder en el Sector Petrolero, con presencia a Nivel Nacional, principales clientes PEMEX Y CFE, con servicios como perforación de pozos terrestres, Marinos, Geotérmicos…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7Exact matchEast Ahmadi, KuwaitHQ recorded Oct 28, 20261,001-5,000732 contacts →

Exact match

“KUWAIT DRILLING CO.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
8Exact matchAte, BelgiumHQ recorded Oct 28, 20261,001-5,000545 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 · Oct 28, 2026 · View company records in RevenueBase
9Exact matchPodenzano, ItalyHQ recorded Oct 28, 2026501-1,000464 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10Exact matchOklahoma City, OK, United StatesHQ recorded Oct 28, 20261,001-5,000458 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 · Oct 28, 2026 · View company records in RevenueBase
11Exact matchNewcastle, OK, United StatesHQ recorded Oct 28, 2026501-1,000445 contacts →

Exact match

“Only Thru Tubing Solutions offers the specialized downhole equipment and services to deliver the results you need, right when you need them.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
12Exact matchBrisbane, AustraliaHQ recorded Oct 28, 2026201-500372 contacts →

Exact match

“Welcome to Lucas!”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13Exact matchVancouver, BC, CanadaHQ recorded Oct 28, 2026201-500358 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 · Oct 28, 2026 · View company records in RevenueBase
14Exact matchWindsor, CO, United StatesHQ recorded Oct 28, 202651-200324 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 · Oct 28, 2026 · View company records in RevenueBase
15Exact matchNew Iberia, LA, United StatesHQ recorded Oct 28, 2026501-1,000297 contacts →

Exact match

“LEAM Drilling Systems, Inc.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
16Exact matchThe Woodlands, TX, United StatesHQ recorded Oct 28, 202651-200291 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
17Exact matchCalgary, AB, CanadaHQ recorded Oct 28, 2026201-500291 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 · Oct 28, 2026 · View company records in RevenueBase
18Exact matchPasig, PhilippinesHQ recorded Oct 28, 2026501-1,000266 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 · Oct 28, 2026 · View company records in RevenueBase
19Exact matchAnkara, TürkiyeHQ recorded Oct 28, 2026201-500225 contacts →

Exact match

“BORDRILL Drilling Contractor & Trade Co.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20Exact matchConroe, TX, United StatesHQ recorded Oct 28, 2026501-1,000217 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 · Oct 28, 2026 · View company records in RevenueBase
21Exact matchSmithers, BC, CanadaHQ recorded Oct 28, 2026501-1,000204 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 · Oct 28, 2026 · View company records in RevenueBase
22Exact matchStafford, TX, United StatesHQ recorded Oct 28, 2026201-500179 contacts →

Exact match

“Reservoir Group is a world-class niche oilfield services company that has been addressing customer challenges for more than 70 years.”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
23Exact matchCalgary, AB, CanadaHQ recorded Oct 28, 2026201-500170 contacts →

Exact match

“Founded in 2005, Pacesetter Directional Drilling helps the world’s leading explorers and producers achieve their most ambitious directional drilling goals through cutting-edge…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
24Exact matchUnited StatesHQ recorded Oct 28, 2026501-1,000163 contacts →

Exact match

“Gulf Drilling (GD) is a fully owned subsidiary of MB Petroleum Services, a 100% Omani company that provides advanced drilling solutions to the oil and gas industry, formed with…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
25Exact matchSandsli, NorwayHQ recorded Oct 28, 202651-200128 contacts →

Exact match

“Island Drilling was established in 2006 by industry veterans and Island Offshore, the leading global player in well intervention, to build and own special purpose semi-submersible…”

Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase

Showing 25 of 508 off-center drilling services worldwide

See the full list, filter by size, metro and specialty, and access 4,697 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Off-center drilling services worldwide at a glance

As of Oct 28, 2026
20.1%Verified-email coverage
46.0Average contacts per company
11-50Median size (employees)
4.3%Largest-city concentration · Houston
Oct 28, 2026Page data refreshed

Companies by employee count

1-10
147
11-50
191
51-200
89
201-500
44
501-1,000
17
1,001-5,000
17
10001+
3

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 off-center drilling services are linked below.
What qualifies
Company records worldwide whose business descriptions match “off-center 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. 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 4,697 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 October 28, 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.

Off-center drilling services by location

3 lists · largest first

Every Off-center drilling services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “off-center drilling services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many off-center drilling services are there worldwide?

RevenueBase identified 508 company matches for off-center drilling services worldwide as of October 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 country has the most off-center drilling services?

The United States leads with 134 companies, followed by Canada (53) and Australia (26). Every off-center drilling services list by country and city is linked on this page.

Which city has the most off-center drilling services?

Houston leads with 22 company records, followed by Calgary (16) and Tehran (10).

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 4,697 professional contacts with verified work emails tracked across these 508 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 October 28, 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.