Company lists · Data refreshed September 2026

Top 25 Deepwater drilling fluid companies worldwide

RevenueBase identified 1,941 company matches for deepwater drilling fluid companies worldwide as of September 2026 and tracks 183,443 professional contacts across them, including 40,434 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for deepwater drilling fluid companies 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 deepwater drilling fluid companies 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
1,941Companies
183,443Contacts tracked
40,434Verified emails
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The 25 largest deepwater drilling fluid companies worldwide

Ranked by team size
Top 25 of 1,941 company matches for deepwater drilling fluid companies 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 matchHouston, TX, United StatesHQ recorded Sep 19, 202610001+53,380 contacts →

Exact match

“We collaborate and engineer solutions to maximize asset value for our customers.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2Exact matchZug, SwitzerlandHQ recorded Sep 19, 20261,001-5,00010,068 contacts →

Exact match

“Transocean is a leading international provider of offshore contract drilling services for oil and gas wells.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3Exact matchHouston, United StatesHQ recorded Sep 19, 20261,001-5,0004,845 contacts →

Exact match

“Seadrill is setting the standard in deepwater oil and gas drilling.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4Exact matchHouston, United StatesHQ recorded Sep 19, 20265,001-10,0003,683 contacts →

Exact match

“National Energy Services Reunited Corp.(NESR) was founded in 2017 as one of the largest national oilfield services providers in the MENA and Asia Pacific regions and was the first…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5Exact 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
6Exact matchHouston, TX, United StatesHQ recorded Sep 19, 20265,001-10,0003,173 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
7Exact 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
8Exact matchSandnes, NorwayHQ recorded Sep 19, 20265,001-10,0002,373 contacts →

Exact match

“Archer is a company providing drilling and well services to the global energy industry.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Sep 19, 202610001+2,317 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 · Sep 19, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Sep 19, 20265,001-10,0002,215 contacts →

Exact match

“Oil States International, Inc.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11Exact matchRio De Janeiro, BrazilHQ recorded Sep 19, 20261,001-5,0002,075 contacts →

Exact match

“Constellation Oil Services is a drilling contractor highly differentiated due to its unique experience in deep and ultra-deepwater drilling.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12Exact 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
13Exact 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
14Exact matchHouston, TX, United StatesHQ recorded Sep 19, 20261,001-5,0001,938 contacts →

Exact match

“For oil & gas exploration and production companies worldwide, Superior Energy Services is an oilfield products and services company with global reach, financial stability and…”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15Exact matchAberdeen, United KingdomHQ recorded Sep 19, 20261,001-5,0001,864 contacts →

Exact match

“Odfjell Drilling is an international drilling company with around 1,500 employees with operations around the world.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16Exact matchDubai, United Arab EmiratesHQ recorded Sep 19, 20261,001-5,0001,685 contacts →

Exact match

“Every year, drilling teams make decisions worth millions of dollars on incomplete information.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17Exact matchGainesville, TX, United StatesHQ recorded Sep 19, 20261,001-5,0001,605 contacts →

Exact match

“Select is a leader in water management and chemical technology to our customers in the oil and gas industry, as well as in other industrial applications.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18Exact matchUnited StatesHQ recorded Sep 19, 20261,001-5,0001,402 contacts →

Exact match

“Somos uma empresa focada em oferecer soluções em Perfuração Offshore, com expertise e excelência em afretamento e operação de sondas para águas ultraprofundas.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19Exact 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
20Exact matchKaty, TX, United StatesHQ recorded Sep 19, 20261,001-5,0001,244 contacts →

Exact match

“Newpark Fluids Systems is the world’s leading pure-play oil & gas and geothermal fluid solutions provider.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21Exact 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
22Exact 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
23Exact matchBrazilHQ recorded Sep 19, 20261,001-5,0001,069 contacts →

Exact match

“A Queiroz Galvão Óleo e Gás (QGOG) é a maior companhia privada de prestação de serviços de perfuração e produção do Brasil.”

Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24Exact 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
25Exact matchHouston, TX, United StatesHQ recorded Sep 19, 20261,001-5,000857 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 · Sep 19, 2026 · View company records in RevenueBase

Showing 25 of 1,941 deepwater drilling fluid companies worldwide

See the full list, filter by size, metro and specialty, and access 40,434 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Deepwater drilling fluid companies worldwide at a glance

As of Sep 19, 2026
22.0%Verified-email coverage
94.5Average contacts per company
11-50Median size (employees)
7.4%Largest-city concentration · Houston
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
509
11-50
668
51-200
433
201-500
156
501-1,000
64
1,001-5,000
73
5,001-10,000
17
10001+
12

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 deepwater drilling fluid companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “deepwater drilling fluid companies” 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 40,434 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.

Deepwater drilling fluid companies by location

8 lists · largest first

Every Deepwater drilling fluid companies 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 “deepwater drilling fluid companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many deepwater drilling fluid companies are there worldwide?

RevenueBase identified 1,941 company matches for deepwater drilling fluid companies 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?

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

Which country has the most deepwater drilling fluid companies?

The United States leads with 601 companies, followed by Canada (100) and India (75). Every deepwater drilling fluid companies list by country and city is linked on this page.

Which city has the most deepwater drilling fluid companies?

Houston leads with 143 company records, followed by Calgary (55) and Midland (40).

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 40,434 professional contacts with verified work emails tracked across these 1,941 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.