Company lists · Data refreshed September 2026

Top 25 Drilling rig maintenance providers worldwide

RevenueBase identified 3,653 company matches for drilling rig maintenance providers worldwide as of September 2026 and tracks 113,013 professional contacts across them, including 15,018 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for drilling rig maintenance providers 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 September 19, 2026. Country and city lists for drilling rig maintenance providers 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 Sep 19, 2026 How this list was built
3,653Companies
113,013Contacts tracked
15,018Verified emails
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The 25 largest drilling rig maintenance providers worldwide

Ranked by team size
Top 25 of 3,653 company matches for drilling rig maintenance providers worldwide, 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 matchAl Khobar, Saudi ArabiaHQ recorded Sep 19, 20265,001-10,0003,251 contacts →

Exact match

“ADES is a world-leading international provider of oil and gas drilling services.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchCalgary, AB, CanadaHQ recorded Sep 19, 20265,001-10,0002,471 contacts →

Exact match

“Precision is a leading provider of safe and High Performance, High-Value services to the oil and gas industry.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchCalgary, AB, CanadaHQ recorded Sep 19, 20261,001-5,0002,176 contacts →

Exact match

“Ensign Energy Services Inc.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchCairo, EgyptHQ recorded Sep 19, 20265,001-10,0002,122 contacts →

Exact match

“EDC is one of the leading drilling contractors in Egypt and the MENA region; established in 1976 in partnership with Maersk Drilling, EDC is now 100% owned by Egyptian General…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact matchComuna 1, ArgentinaHQ recorded Sep 19, 20261,001-5,0002,064 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 · Sep 19, 2026 · View company records in RevenueBase
6Exact matchAl-khobar, Saudi ArabiaHQ recorded Sep 19, 20265,001-10,0002,042 contacts →

Exact match

“We are the region’s trusted onshore and offshore oil & gas drilling company with an extensive track record of operational excellence and advanced capabilities that have enabled…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7Exact matchLondon, United KingdomHQ recorded Sep 19, 20261,001-5,0001,699 contacts →

Exact match

“Borr Drilling Limited is an offshore shallow-water drilling contractor providing worldwide offshore drilling services to the oil and gas industry.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8Exact matchDoha, QatarHQ recorded Sep 19, 20261,001-5,0001,398 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchDeer Park, TX, United StatesHQ recorded Sep 19, 2026501-1,0001,371 contacts →

Exact match

“Universal Plant Services (UPS) is the industry's foremost specialists in rotating and reciprocating equipment services.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10Exact matchMuscat, OmanHQ recorded Sep 19, 20261,001-5,0001,244 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Sep 19, 20261,001-5,0001,182 contacts →

Exact match

“We Are Valaris With decades of expertise and strategic commitment built on efficiency, capability and ingenuity, our sights are continually set toward a future built with purpose…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Sep 19, 20261,001-5,0001,135 contacts →

Exact match

“Stewart & Stevenson is a leading designer, manufacturer and provider of specialized equipment and aftermarket parts and service for the oil and gas and other industries that we…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13Exact matchAmsterdam, United StatesHQ recorded Sep 19, 20261,001-5,0001,097 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 · Sep 19, 2026 · View company records in RevenueBase
14Exact matchFochville, South AfricaHQ recorded Sep 19, 20261,001-5,000994 contacts →

Exact match

“Master Drilling, established in 1986, is a global technology solutions driven company; focused on delivering a fully mechanised range of services to the mining sector.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchUnited StatesHQ recorded Sep 19, 20261,001-5,000994 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 · Sep 19, 2026 · View company records in RevenueBase
16Exact matchNeuquén, ArgentinaHQ recorded Sep 19, 20261,001-5,000803 contacts →

Exact match

“Presentes en el mercado Argentino hace más de 45 años.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchVung Tau, VietnamHQ recorded Sep 19, 20265,001-10,000793 contacts →

Exact match

“Exploration and development oilfield”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchCairo, EgyptHQ recorded Sep 19, 20261,001-5,000781 contacts →

Exact match

“SinoTharwa is a high level cooperative project that took place between China and Egypt forming SinoTharwa Drilling Company as a petroleum services company.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact matchMuscat, OmanHQ recorded Sep 19, 20261,001-5,000748 contacts →

Exact match

“MB Petroleum Services is a multinational corporation providing cost-effective quality drilling, integrated well services and integrated production services worldwide with the…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20Exact matchDeer Park, TX, United StatesHQ recorded Sep 19, 20265,001-10,000718 contacts →

Exact match

“HPC Industrial, a Clean Harbors business, is the leading provider of specialty maintenance services and technology solutions to the critical energy infrastructure in the United…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact matchAhmedabad, IndiaHQ recorded Sep 19, 2026501-1,000714 contacts →

Exact match

“Deep Industries Limited started in the year 1991, with a primary objective of catering the ever increasing demand for Oil and Gas Industry.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22Exact matchEast Ahmadi, KuwaitHQ recorded Sep 19, 20261,001-5,000697 contacts →

Exact match

“KUWAIT DRILLING CO.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23Exact matchPort Of Spain, Trinidad and TobagoHQ recorded Sep 19, 20261,001-5,000696 contacts →

Exact match

“Tucker Energy Services is a service oriented and customer focused organization providing high quality products and services to our clients in the energy industry.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact matchAlagoinhas, BrazilHQ recorded Sep 19, 2026501-1,000637 contacts →

Exact match

“Referência de compromisso e seriedade, a Braserv é uma empresa nacional que atua desde 2009 no mercado.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Sep 19, 20261,001-5,000635 contacts →

Exact match

“Worldwide Oilfield Machine (WOM) is a multinational equipment manufacturer specializing in solutions for drilling, testing, production and intervention operations.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 3,653 drilling rig maintenance providers worldwide

See the full list, filter by size, metro and specialty, and access 15,018 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Drilling rig maintenance providers worldwide at a glance

As of Sep 19, 2026
13.3%Verified-email coverage
30.9Average contacts per company
11-50Median size (employees)
3.8%Largest-city concentration · Houston
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
1,182
11-50
1,336
51-200
675
201-500
249
501-1,000
99
1,001-5,000
75
5,001-10,000
13
10001+
8

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 drilling rig maintenance providers are linked below.
What qualifies
Company records worldwide whose business descriptions match “drilling rig maintenance providers” 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 15,018 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.

Drilling rig maintenance providers by location

19 lists · largest first

Every Drilling rig maintenance providers 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 “drilling rig maintenance providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many drilling rig maintenance providers are there worldwide?

RevenueBase identified 3,653 company matches for drilling rig maintenance providers worldwide 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?

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

Which country has the most drilling rig maintenance providers?

The United States leads with 737 companies, followed by Canada (254) and Brazil (221). Every drilling rig maintenance providers list by country and city is linked on this page.

Which city has the most drilling rig maintenance providers?

Houston leads with 137 company records, followed by Calgary (49) and Midland (43).

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 15,018 professional contacts with verified work emails tracked across these 3,653 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.