Company lists · Data refreshed October 2026

Top 25 Drilling or mud control instrument suppliers worldwide

RevenueBase identified 1,507 company matches for drilling or mud control instrument suppliers worldwide as of October 2026 and tracks 28,357 professional contacts across them, including 5,122 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for drilling or mud control instrument suppliers 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 24, 2026. Country and city lists for drilling or mud control instrument suppliers 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 24, 2026 How this list was built
1,507Companies
28,357Contacts tracked
5,122Verified emails
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The 25 largest drilling or mud control instrument suppliers worldwide

Ranked by team size
Top 25 of 1,507 company matches for drilling or mud control instrument suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 24, 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 24, 20265,001-10,0001,652 contacts →

Exact match

“Oil States International, Inc.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Oct 24, 20261,001-5,0001,145 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 · Oct 24, 2026 · View company records in RevenueBase
3Exact matchPort Of Spain, Trinidad and TobagoHQ recorded Oct 24, 20261,001-5,000723 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 · Oct 24, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Oct 24, 20261,001-5,000627 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 · Oct 24, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026201-500620 contacts →

Exact match

“Canrig® is a global supplier of rig technology used to enable safe, efficient and responsible drilling operations.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
6Exact matchNewcastle, OK, United StatesHQ recorded Oct 24, 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 24, 2026 · View company records in RevenueBase
7Exact matchMumbai, IndiaHQ recorded Oct 24, 2026501-1,000435 contacts →

Exact match

“OFI-was founded in 1992 as an OEM for Mud Logging units / Mud logging services provider.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Oct 24, 20261,001-5,000399 contacts →

Exact match

“Founded in 1947, Varel Energy Solutions is one of the world’s largest independent manufacturers and suppliers of downhole drilling and completions products to the energy sector.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
9Exact matchNew Iberia, LA, United StatesHQ recorded Oct 24, 2026501-1,000297 contacts →

Exact match

“LEAM Drilling Systems, Inc.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026201-500288 contacts →

Exact match

“Strength.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
11Exact matchEdmonton, AB, CanadaHQ recorded Oct 24, 202651-200288 contacts →

Exact match

“We deliver reliable, high-performance drilling & completion equipment, expert engineering support & responsive service to customers in 100+ countries.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026201-500286 contacts →

Exact match

“Greene’s Energy Group offers a range of support services and products to the oil and gas industry.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Oct 24, 2026201-500285 contacts →

Exact match

“Since 2003, Premium Oilfield Technologies has been supplying high quality products to the oil and gas industry.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
14Exact matchUnited StatesHQ recorded Oct 24, 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 24, 2026 · View company records in RevenueBase
15Exact matchUnited StatesHQ recorded Oct 24, 2026501-1,000206 contacts →

Exact match

“iTS, now part of the Parker Drilling (NYSE: PKD) family, started in 1986 in Aberdeen, Scotland as a provider of premium rental tools and well services to the international energy…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
16Exact matchAlwar, IndiaHQ recorded Oct 24, 2026201-500188 contacts →

Exact match

“We would like to introduce WELLCARE OIL TOOLS PRIVATE LIMITED, an established manufacturer and supplier of a comprehensive range of Quality Downhole Drilling and Completion…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
17Exact matchLevelland, TX, United StatesHQ recorded Oct 24, 2026501-1,000186 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 · Oct 24, 2026 · View company records in RevenueBase
18Exact matchStafford, TX, United StatesHQ recorded Oct 24, 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 24, 2026 · View company records in RevenueBase
19Exact matchMesquite, TX, United StatesHQ recorded Oct 24, 2026201-500177 contacts →

Exact match

“Founded in 1956, Fritz Industries is an employee owned company that has grown into an international research and manufacturing company serving oilfield customers worldwide.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
20Exact matchDubai, United Arab EmiratesHQ recorded Oct 24, 202651-200170 contacts →

Exact match

“Seamless Integration Magnum Technology Center designs and manufactures complete equipment packages for Well Testing, Early Production Facilities, Underbalanced Drilling and…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
21Exact matchTomball, TX, United StatesHQ recorded Oct 24, 2026201-500155 contacts →

Exact match

“Windlass manufactures, supplies and supports a wide range of API certified drilling equipment.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
22Exact matchAberdeen, SingaporeHQ recorded Oct 24, 202651-200153 contacts →

Exact match

“STEP Oiltools, has developed a package of solids control, drilling waste management and engineering and environmental equipment and services which ensure drill cuttings and fluids…”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
23Exact matchPinehurst, TX, United StatesHQ recorded Oct 24, 202651-200152 contacts →

Exact match

“The Company was formed as Midwest Well Logging in December 1964 by Hoyt Hudspeth and Harold McConnell.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
24Exact matchRio De Janeiro, BrazilHQ recorded Oct 24, 2026201-500151 contacts →

Exact match

“A Oilequip Produtos e Serviços Ltda.”

Recorded in the RevenueBase company graph · Oct 24, 2026 · View company records in RevenueBase
25Exact matchLafayette, LA, United StatesHQ recorded Oct 24, 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 24, 2026 · View company records in RevenueBase

Showing 25 of 1,507 drilling or mud control instrument suppliers worldwide

See the full list, filter by size, metro and specialty, and access 5,122 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Drilling or mud control instrument suppliers worldwide at a glance

As of Oct 24, 2026
18.1%Verified-email coverage
18.8Average contacts per company
11-50Median size (employees)
7.0%Largest-city concentration · Houston
Oct 24, 2026Page data refreshed

Companies by employee count

1-10
490
11-50
553
51-200
300
201-500
94
501-1,000
33
1,001-5,000
19
5,001-10,000
6
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 drilling or mud control instrument suppliers are linked below.
What qualifies
Company records worldwide whose business descriptions match “drilling or mud control instrument suppliers” 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 5,122 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 24, 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 or mud control instrument suppliers by location

9 lists · largest first

Every Drilling or mud control instrument suppliers 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 “drilling or mud control instrument suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many drilling or mud control instrument suppliers are there worldwide?

RevenueBase identified 1,507 company matches for drilling or mud control instrument suppliers 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?

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

Which country has the most drilling or mud control instrument suppliers?

The United States leads with 445 companies, followed by Canada (90) and the United Arab Emirates (66). Every drilling or mud control instrument suppliers list by country and city is linked on this page.

Which city has the most drilling or mud control instrument suppliers?

Houston leads with 105 company records, followed by Dubai (32) and Calgary (27).

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 5,122 professional contacts with verified work emails tracked across these 1,507 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 24, 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.