Company lists · Data refreshed November 2026

Top 25 Oilfield training matrix services worldwide

RevenueBase identified 732 company matches for oilfield training matrix services worldwide as of November 2026 and tracks 22,078 professional contacts across them, including 2,891 with verified work emails. The United States is the largest market and Midland the largest hub.

This list covers company matches for oilfield training matrix 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 November 6, 2026. Country and city lists for oilfield training matrix 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 Nov 6, 2026 How this list was built
732Companies
22,078Contacts tracked
2,891Verified emails
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The 25 largest oilfield training matrix services worldwide

Ranked by team size
Top 25 of 732 company matches for oilfield training matrix services 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 matchThe Woodlands, TX, United StatesHQ recorded Nov 6, 20261,001-5,0001,359 contacts →

Exact match

“Cudd offers a broad range of technical and specialized oilfield services to companies engaged in the exploration and production of oil and natural gas worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchMuscat, OmanHQ recorded Nov 6, 20261,001-5,0001,009 contacts →

Exact match

“RAY International Group is a dynamic and aspiring business corporation with interests in Energy & Technology, Engineering & Construction, Well & Wireline Services, Professional…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,000917 contacts →

Exact match

“KLX Energy Services provides more than 100 mission-critical oilfield services, tools, technologies and equipment to some of the industry’s leading operators.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchMuscat, OmanHQ recorded Nov 6, 20261,001-5,000793 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 · Nov 6, 2026 · View company records in RevenueBase
5Exact matchKuala Lumpur, MalaysiaHQ recorded Nov 6, 2026501-1,000577 contacts →

Exact match

“Velesto Energy Berhad is a Malaysia-based multinational provider of services for the upstream oil and gas sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchZelienople, TX, United StatesHQ recorded Nov 6, 2026501-1,000436 contacts →

Exact match

“Established in 2008, Deep Well Services (DWS) is an oilfield services company specializing in the most complex and difficult types of well work utilizing hydraulic completion…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchComodoro Rivadavia, ArgentinaHQ recorded Nov 6, 20261,001-5,000399 contacts →

Exact match

“Somos una empresa de servicios petroleros con más de 1.100 colaboradores en las principales cuencas del país: Golfo San Jorge y Neuquén.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026501-1,000384 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSan Fernando, Trinidad and TobagoHQ recorded Nov 6, 2026501-1,000363 contacts →

Exact match

“Kenson is a Service Contractor to Oil and Gas Companies in the Energy Sector in Trinidad and Tobago.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDoha, QatarHQ recorded Nov 6, 20261,001-5,000359 contacts →

Exact match

“Venture Gulf Engineering W.L.L,(VGE) a subsidiary of Al Nasr Holding Company W.L.L, focused its resources and services with the aim of providing service to the Oil & Gas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchPau, FranceHQ recorded Nov 6, 2026201-500277 contacts →

Exact match

“With nearly two decades of experience, Caroil is a leading Drilling & Workover rig contractor with a diverse fleet of rigs and skillful and technical workforce providing safe and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchThe Woodlands, LA, United StatesHQ recorded Nov 6, 2026501-1,000258 contacts →

Exact match

“One X: A Completions Partner, formerly Covenant Testing Technologies, is a leading provider of comprehensive completion services in the oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026201-500245 contacts →

Exact match

“Yellowjacket Oilfield Services offers cost-effective solutions by leveraging state of the art equipment & technology along with superior personnel.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNew Cairo, EgyptHQ recorded Nov 6, 2026501-1,000237 contacts →

Exact match

“SAKNAFTA was incorporated in 2007 under the Law of the Arab Republic of Egypt as Service Petroleum Company provides a multiple services to the oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMuscat, OmanHQ recorded Nov 6, 2026501-1,000235 contacts →

Exact match

“Special Oilfield Services (SOS) was established on the 10th of March in 1986 as a Joint Venture between Mohsin Haider Darwish LLC (MHD), one of the largest and oldest business…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026501-1,000206 contacts →

Exact match

“Getting it done right.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLevelland, TX, United StatesHQ recorded Nov 6, 2026501-1,000202 contacts →

Exact match

“Founded in 1980, Butch's has been leading the pack as the premier service provider for the oil and gas industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchTehran, IranHQ recorded Nov 6, 20261,001-5,000200 contacts →

Exact match

“We are proud to present over a half century of our history, beginning with formation of the Ofogh Consulting Engineers Company in 1961.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchStafford, United StatesHQ recorded Nov 6, 2026201-500190 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 · Nov 6, 2026 · View company records in RevenueBase
20Exact matchNeiva, ColombiaHQ recorded Nov 6, 202651-200185 contacts →

Exact match

“Mision Ofrecemos soluciones en ingeniería de conocimientos y equipos a la industria petrolera en Operaciones con tecnología WIRELINE; con disponibilidad de programas de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchTulsa, United StatesHQ recorded Nov 6, 202651-200180 contacts →

Exact match

“PetroSkills is the world leader for oil and gas training, with more than public, virtual and in-house sessions around the globe each year.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHouston, United StatesHQ recorded Nov 6, 202651-200156 contacts →

Exact match

“WCS is committed to providing the highest level of quality well control training services with long term value.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchThe Woodlands, TX, United StatesHQ recorded Nov 6, 2026201-500152 contacts →

Exact match

“Eastern is an industry leader in oilfield services for all phases of the operation with top of the line equipment and people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchHouma, TX, United StatesHQ recorded Nov 6, 202651-200130 contacts →

Exact match

“Supreme Services is an oil & energy company based out of United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchTripoli, LibyaHQ recorded Nov 6, 202651-200116 contacts →

Exact match

“Camco, an Edgo group company, is an oilfield services provider with a wide geographical reach, composed of an international mix of highly qualified technical staff.”

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

Showing 25 of 732 oilfield training matrix services worldwide

See the full list, filter by size, metro and specialty, and access 2,891 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oilfield training matrix services worldwide at a glance

As of Nov 6, 2026
13.1%Verified-email coverage
30.2Average contacts per company
11-50Median size (employees)
3.7%Largest-city concentration · Midland
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
235
11-50
247
51-200
149
201-500
54
501-1,000
21
1,001-5,000
14
5,001-10,000
4
10001+
2

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 oilfield training matrix services are linked below.
What qualifies
Company records worldwide whose business descriptions match “oilfield training matrix 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 2,891 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.

Oilfield training matrix services by location

4 lists · largest first

Every Oilfield training matrix services 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 “oilfield training matrix services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oilfield training matrix services are there worldwide?

RevenueBase identified 732 company matches for oilfield training matrix services 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?

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

Which country has the most oilfield training matrix services?

The United States leads with 244 companies, followed by Canada (44). Every oilfield training matrix services list by country and city is linked on this page.

Which city has the most oilfield training matrix services?

Midland leads with 27 company records, followed by Houston (25) and Cairo (16).

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 2,891 professional contacts with verified work emails tracked across these 732 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.