Company lists · Data refreshed October 2026

Top 25 Oil field specialties suppliers worldwide

Name: Oil field specialties suppliers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 28, 2026 9,089 companies tracked

RevenueBase identified 9,089 company matches for oil field specialties suppliers worldwide as of October 2026 and tracks 407,711 professional contacts across them, including 86,482 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for oil field specialties 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 28, 2026. Country and city lists for oil field specialties 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 28, 2026 How this list was built

9,089Companies

407,711Contacts tracked

86,482Verified emails

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The 25 largest oil field specialties suppliers worldwide

Ranked by team size

Top 25 of 9,089 company matches for oil field specialties suppliers worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 28, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Baker Hughes	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	10001+	64,119 contacts →
	Exact match “Baker Hughes (NASDAQ: BKR) is an energy technology company that provides solutions for energy and industrial customers worldwide.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
2	Halliburton	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	10001+	56,783 contacts →
	Exact match “We collaborate and engineer solutions to maximize asset value for our customers.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
3	Nabors Industries	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	10001+	6,266 contacts →
	Exact match “Nabors Industries is a leading provider of advanced technology for the energy industry.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
4	PT Elnusa TBK	Exact match	Jakarta Selatan, IndonesiaHQ recorded Oct 28, 2026	1,001-5,000	4,167 contacts →
	Exact match “We are the one and only national company that possesses combined competencies in oil & gas services: seismic, drilling and oilfield.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
5	NESR	Exact match	Houston, United StatesHQ recorded Oct 28, 2026	5,001-10,000	3,884 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 · Oct 28, 2026 · View company records in RevenueBase
6	Altrad	Exact match	Montpellier, FranceHQ recorded Oct 28, 2026	10001+	3,345 contacts →
	Exact match “ALTRAD AT A GLANCE Altrad is a world leader in the provision of industrial services, generating high-added value solutions principally for the Energy, Power Generation, Oil & Gas…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
7	Valaris Limited	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	5,001-10,000	3,263 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 · Oct 28, 2026 · View company records in RevenueBase
8	KEY Energy Services	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	1,001-5,000	2,923 contacts →
	Exact match “Headquartered in Houston, Texas, Key Energy Services provides a wide array of leading edge energy production solutions and services.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
9	Estrutural	Exact match	Porto Alegre, BrazilHQ recorded Oct 28, 2026	1,001-5,000	2,795 contacts →
	Exact match “Quem somos: Somos uma empresa nacional, com mais de 30 anos no segmento da construção, montagem e manutenção industrial.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
10	Precision Drilling	Exact match	Calgary, AB, CanadaHQ recorded Oct 28, 2026	5,001-10,000	2,622 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 · Oct 28, 2026 · View company records in RevenueBase
11	Patterson-Uti	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	10001+	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 28, 2026 · View company records in RevenueBase
12	Archer	Exact match	Sandnes, NorwayHQ recorded Oct 28, 2026	5,001-10,000	2,399 contacts →
	Exact match “Archer is a company providing drilling and well services to the global energy industry.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
13	Oilserv	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 28, 2026	1,001-5,000	2,362 contacts →
	Exact match “OiLSERV is a provider of an expanding range of oilfield services, including well logging, well testing, production enhancement, drilling services, surface production management…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
14	Ensign Energy Services	Exact match	Calgary, AB, CanadaHQ recorded Oct 28, 2026	1,001-5,000	2,277 contacts →
	Exact match “Ensign Energy Services Inc.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
15	SAN Antonio Internacional	Exact match	Comuna 1, ArgentinaHQ recorded Oct 28, 2026	1,001-5,000	2,247 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 28, 2026 · View company records in RevenueBase
16	Superior Energy Services	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	1,001-5,000	2,076 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 · Oct 28, 2026 · View company records in RevenueBase
17	ELFE	Exact match	Macaé, BrazilHQ recorded Oct 28, 2026	1,001-5,000	2,006 contacts →
	Exact match “No mercado há mais de duas décadas, a Axia é uma empresa nacional com atuação em operação e manutenção industrial.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
18	Weir OIL And GAS	Exact match	Fort Worth, TX, United StatesHQ recorded Oct 28, 2026	n/a	1,713 contacts →
	Exact match “Caterpillar Inc.(NYSE:CAT) has completed its acquisition of the Oil & Gas Division (“Weir Oil & Gas”) of the Weir Group PLC, a Scotland-based global engineering business.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
19	OIL States International	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	5,001-10,000	1,652 contacts →
	Exact match “Oil States International, Inc.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
20	Gulf Drilling International	Exact match	Doha, QatarHQ recorded Oct 28, 2026	1,001-5,000	1,445 contacts →
	Exact match “Gulf Drilling International Limited (GDI) was established in May 2004 as a joint venture between Qatar Petroleum (QP) and Japan Drilling Company (JDC), making it the first Qatari…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
21	ANTON	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 28, 2026	5,001-10,000	1,419 contacts →
	Exact match “Anton Oilfield Services Group (hereinafter as “Anton”) is the world's leading integrated oilfield technology service company that provides clients with a full range of products…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
22	Universal Plant Services	Exact match	Deer Park, TX, United StatesHQ recorded Oct 28, 2026	501-1,000	1,360 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 · Oct 28, 2026 · View company records in RevenueBase
23	Cudd Energy Services	Exact match	The Woodlands, TX, United StatesHQ recorded Oct 28, 2026	1,001-5,000	1,329 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 · Oct 28, 2026 · View company records in RevenueBase
24	R Associates INC	Exact match	Houston, TX, United StatesHQ recorded Oct 28, 2026	n/a	1,329 contacts →
	Exact match “Based in Houston, RAI has been in business over 30 years, providing hardware, support and professional services to Oil and Gas companies around the world.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase
25	Abraj Energy Services	Exact match	Muscat, OmanHQ recorded Oct 28, 2026	1,001-5,000	1,274 contacts →
	Exact match “Abraj Energy Services ("Abraj"), was founded in May 2006 and has taken major strides.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “oil field specialties suppliers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 9,089 oil field specialties suppliers worldwide

See the full list, filter by size, metro and specialty, and access 86,482 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Oil field specialties suppliers worldwide at a glance

As of Oct 28, 2026

21.2%Verified-email coverage

44.9Average contacts per company

11-50Median size (employees)

4.7%Largest-city concentration · Houston

Oct 28, 2026Page data refreshed

Companies by employee count

1-10

2,658

11-50

3,385

51-200

1,906

201-500

637

501-1,000

225

1,001-5,000

192

5,001-10,000

10001+

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 oil field specialties suppliers are linked below.
What qualifies: Company records worldwide whose business descriptions match “oil field specialties 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 86,482 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 28, 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.

Oil field specialties suppliers by location

64 lists · largest first

Every Oil field specialties 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 “oil field specialties suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil field specialties suppliers are there worldwide?

RevenueBase identified 9,089 company matches for oil field specialties 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?

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

Which country has the most oil field specialties suppliers?

The United States leads with 2,638 companies, followed by Canada (580) and the United Arab Emirates (503). Every oil field specialties suppliers list by country and city is linked on this page.

Which city has the most oil field specialties suppliers?

Houston leads with 427 company records, followed by Dubai (171) and Calgary (159).

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 86,482 professional contacts with verified work emails tracked across these 9,089 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 28, 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.