Company lists · Data refreshed October 2026

Top 25 Casing drilling contractors worldwide

RevenueBase identified 633 company matches for casing drilling contractors worldwide as of October 2026 and tracks 22,440 professional contacts across them, including 4,320 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for casing 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 October 9, 2026. Country and city lists for casing 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 Oct 9, 2026 How this list was built
633Companies
22,440Contacts tracked
4,320Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest casing drilling contractors worldwide

Ranked by team size
Top 25 of 633 company matches for casing drilling contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 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 9, 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 9, 2026 · View company records in RevenueBase
2Exact matchComuna 1, ArgentinaHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
3Exact matchMuscat, OmanHQ recorded Oct 9, 20261,001-5,0001,274 contacts →

Exact match

“Abraj Energy Services ("Abraj"), was founded in May 2006 and has taken major strides.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4Exact matchThe Woodlands, TX, United StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Oct 9, 20261,001-5,000742 contacts →

Exact match

“With a culture built on high performance and flawless execution, Nine Energy Service is a unique kind of oilfield services company, offering industry-shaping completion solutions…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6Exact matchRøyneberg, NorwayHQ recorded Oct 9, 2026501-1,000648 contacts →

Exact match

“At Interwell our mission is clear; we are committed to solving the toughest well challenges with unmatched expertise and dedication.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7Exact matchPodenzano, ItalyHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
8Exact matchOklahoma City, OK, United StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
9Exact matchNewcastle, OK, United StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
10Exact matchTehran, IranHQ recorded Oct 9, 20261,001-5,000404 contacts →

Exact match

“North Drilling, a leading company in oil and gas well drilling, has worked out important strategies in line with its vision plan.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Oct 9, 2026501-1,000391 contacts →

Exact match

“Express Energy Services, a leading oilfield services company, is active in every major hydrocarbon basin in the United States and is a premier provider of products and services…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12Exact matchNew Iberia, LA, United StatesHQ recorded Oct 9, 2026501-1,000297 contacts →

Exact match

“LEAM Drilling Systems, Inc.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Oct 9, 2026201-500288 contacts →

Exact match

“Strength.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14Exact matchUnited StatesHQ recorded Oct 9, 20261,001-5,000284 contacts →

Exact match

“China National Logging Corporation (CNLC), a subsidiary of CNPC Services & Engineering Ltd, solely on behalf of CNPC providing well bore technical services in international…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15Exact matchPasig, PhilippinesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
16Exact matchAnkara, TürkiyeHQ recorded Oct 9, 2026201-500225 contacts →

Exact match

“BORDRILL Drilling Contractor & Trade Co.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17Exact matchConroe, TX, United StatesHQ recorded Oct 9, 2026501-1,000221 contacts →

Exact match

“Visit us at MS Directional”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18Exact matchCalgary, AB, CanadaHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
19Exact matchUnited StatesHQ recorded Oct 9, 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 9, 2026 · View company records in RevenueBase
20Exact matchTulsa, OK, United StatesHQ recorded Oct 9, 2026501-1,000153 contacts →

Exact match

“Now hiring in all 8 districts.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21Exact matchLafayette, LA, United StatesHQ recorded Oct 9, 2026201-500145 contacts →

Exact match

“When it comes to bottomhole assemblies, there's only one rental tool name to know, Stabil Drill.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22Exact matchBogotá, ColombiaHQ recorded Oct 9, 2026201-500131 contacts →

Exact match

“TOP DRILLING COMPANY, is a company dedicated to oil well drilling, completion and Workover, whose corporative commitment aims at excellence in its operational and management…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23Exact matchBuenos Aires, ArgentinaHQ recorded Oct 9, 202651-200121 contacts →

Exact match

“Latitud 45 es una Compañía privada de cementación y estimulación de pozos que nace con la clara Misión de hacer las cosas en forma diferente en la industria del petróleo y gas.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24Exact matchHouston, TX, United StatesHQ recorded Oct 9, 2026201-500117 contacts →

Exact match

“Blackhawk Specialty Tools provides oil and gas operators with engineered solutions that improve performance and efficiency.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25Exact matchCarnegie, PA, AustraliaHQ recorded Oct 9, 2026201-500114 contacts →

Exact match

“Falcon Drilling Company, LLC - was incorporated in 2001 - Drilled its first Marcellus well in 2007 - Capable of setting 20” Casing and smaller - Our primary operating area is the…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase

Showing 25 of 633 casing drilling contractors worldwide

See the full list, filter by size, metro and specialty, and access 4,320 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Casing drilling contractors worldwide at a glance

As of Oct 9, 2026
19.3%Verified-email coverage
35.5Average contacts per company
11-50Median size (employees)
4.4%Largest-city concentration · Houston
Oct 9, 2026Page data refreshed

Companies by employee count

1-10
180
11-50
220
51-200
140
201-500
52
501-1,000
19
1,001-5,000
17
5,001-10,000
2
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 casing drilling contractors are linked below.
What qualifies
Company records worldwide whose business descriptions match “casing 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 4,320 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 9, 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.

Casing drilling contractors by location

4 lists · largest first

Every Casing 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 “casing drilling contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many casing drilling contractors are there worldwide?

RevenueBase identified 633 company matches for casing drilling contractors 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 casing drilling contractors?

The United States leads with 208 companies, followed by Canada (41) and the United Kingdom (31). Every casing drilling contractors list by country and city is linked on this page.

Which city has the most casing drilling contractors?

Houston leads with 28 company records, followed by Midland (13) and Calgary (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 4,320 professional contacts with verified work emails tracked across these 633 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 9, 2026.

Ready to reach these companies? Verified emails and direct dials for all 633 casing drilling contractors worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.