Company lists · Data refreshed October 2026

Top 25 Oil and gas consolidation services worldwide

Name: Oil and gas consolidation services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 19, 2026 10,145 companies tracked

RevenueBase identified 10,145 company matches for oil and gas consolidation services worldwide as of October 2026 and tracks 448,913 professional contacts across them, including 87,689 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for oil and gas consolidation 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 October 19, 2026. Country and city lists for oil and gas consolidation 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 Oct 19, 2026 How this list was built

10,145Companies

448,913Contacts tracked

87,689Verified emails

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The 25 largest oil and gas consolidation services worldwide

Ranked by team size

Top 25 of 10,145 company matches for oil and gas consolidation services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Halliburton	Exact match	Houston, TX, United StatesHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
2	NOV	Exact match	Houston, TX, United StatesHQ recorded Oct 19, 2026	10001+	30,910 contacts →
	Exact match “NOV delivers technology-driven solutions to empower the global energy industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
3	Cb&i	Exact match	The Woodlands, TX, United StatesHQ recorded Oct 19, 2026	1,001-5,000	11,485 contacts →
	Exact match “CB & I delivers integrated storage and asset‑management solutions that help customers operate safely, reliably, and efficiently across the lifecycle of their facilities.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
4	EXPRO	Exact match	Houston, TX, United StatesHQ recorded Oct 19, 2026	5,001-10,000	6,721 contacts →
	Exact match “Long recognized for extraordinary performance, superb safety and long-standing partnerships, and now incorporating Frank’s International, Expro is focused on enabling our…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
5	Nabors Industries	Exact match	Houston, TX, United StatesHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
6	Bilfinger	Exact match	Mannheim, GermanyHQ recorded Oct 19, 2026	10001+	4,268 contacts →
	Exact match “Bilfinger is an international industrial services provider with a vision to be the No.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
7	PT Elnusa TBK	Exact match	Jakarta Selatan, IndonesiaHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
8	STORK	Exact match	Utrecht, NetherlandsHQ recorded Oct 19, 2026	10001+	3,942 contacts →
	Exact match “Stork is a global provider of integrated operations, maintenance, modification and asset integrity solutions.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
9	NESR	Exact match	Houston, United StatesHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
10	Infotec Brasil	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 19, 2026	1,001-5,000	3,590 contacts →
	Exact match “Impulsionamos a eficiência em operações críticas de engenharia, manutenção e logística principalmente no setores de Óleo e Gás, Mineração, Siderurgia, Energia e Infraestrutura no…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
11	KEY Energy Services	Exact match	Houston, TX, United StatesHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
12	Enermech	Exact match	Aberdeen, United KingdomHQ recorded Oct 19, 2026	1,001-5,000	2,723 contacts →
	Exact match “EnerMech delivers integrated specialist services that support critical assets across the energy and infrastructure sectors worldwide.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
13	Patterson-Uti	Exact match	Houston, TX, United StatesHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
14	Oilserv	Exact match	Dubai, United Arab EmiratesHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
15	OCYAN	Exact match	Rio De Janeiro, BrazilHQ recorded Oct 19, 2026	1,001-5,000	2,328 contacts →
	Exact match “A OCYAN atua há décadas na prestação de serviços para o setor de óleo e gás upstream, estruturando suas operações em três frentes de atuação.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
16	Taqa Industrialization & Energy Services Company	Exact match	Dhahran, Saudi ArabiaHQ recorded Oct 19, 2026	5,001-10,000	2,299 contacts →
	Exact match “TAQA is an international company that offers leading well solutions for the energy industry and is creating value and opportunity for all its stakeholders.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
17	SAN Antonio Internacional	Exact match	Comuna 1, ArgentinaHQ recorded Oct 19, 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 19, 2026 · View company records in RevenueBase
18	ZMI Holdings	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Oct 19, 2026	1,001-5,000	2,036 contacts →
	Exact match “ZMI Holdings an ADNOC L&S company THE NEW WAVE Transforming the Offshore Energy Industry An integrated service provider offering unparalleled commitment.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
19	Maersk Drilling	Exact match	Kongens Lyngby, DenmarkHQ recorded Oct 19, 2026	1,001-5,000	1,901 contacts →
	Exact match “Noble Corporation today announced that the business combination Maersk Drilling has been successfully completed.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
20	AYTB	Exact match	Jubail Industrial City, Saudi ArabiaHQ recorded Oct 19, 2026	5,001-10,000	1,887 contacts →
	Exact match “AYTB had recognized the Saudi Dream 45 years ago when the Royal Commission for Jubail and Yanbu was set up with a vision to build a huge petrochemical industry to catapult Saudi…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
21	TGS	Exact match	Houston, TX, United StatesHQ recorded Oct 19, 2026	1,001-5,000	1,882 contacts →
	Exact match “TGS provides advanced data and intelligence to companies active in the energy sector.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
22	Tp-Otc	Exact match	Çankaya, TürkiyeHQ recorded Oct 19, 2026	501-1,000	1,766 contacts →
	Exact match “TP-OTC is established to provide all engineering and technology services for offshore operations in oil and gas industry.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
23	Hexagon Asset Lifecycle Intelligence	Exact match	Madison, AL, United StatesHQ recorded Oct 19, 2026	10001+	1,723 contacts →
	Exact match “Hexagon’s Asset Lifecycle Intelligence division helps clients design, construct and operate more profitable, safe and sustainable industrial facilities.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
24	OIL States International	Exact match	Houston, TX, United StatesHQ recorded Oct 19, 2026	5,001-10,000	1,652 contacts →
	Exact match “Oil States International, Inc.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase
25	Quorum Software	Exact match	Houston, TX, United StatesHQ recorded Oct 19, 2026	1,001-5,000	1,580 contacts →
	Exact match “Quorum Software is a leading provider of energy software worldwide powering growth and profitability for energy businesses by connecting people, workflows, and systems with…” Recorded in the RevenueBase company graph · Oct 19, 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 and gas consolidation services”. 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 10,145 oil and gas consolidation services worldwide

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Oil and gas consolidation services worldwide at a glance

As of Oct 19, 2026

19.5%Verified-email coverage

44.2Average contacts per company

11-50Median size (employees)

5.7%Largest-city concentration · Houston

Oct 19, 2026Page data refreshed

Companies by employee count

1-10

3,511

11-50

3,410

51-200

1,916

201-500

669

501-1,000

270

1,001-5,000

260

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 and gas consolidation services are linked below.
What qualifies: Company records worldwide whose business descriptions match “oil and gas consolidation 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 87,689 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 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.

Oil and gas consolidation services by location

71 lists · largest first

Every Oil and gas consolidation 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 “oil and gas consolidation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas consolidation services are there worldwide?

RevenueBase identified 10,145 company matches for oil and gas consolidation services 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?

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

Which country has the most oil and gas consolidation services?

The United States leads with 2,851 companies, followed by Nigeria (658) and Canada (582). Every oil and gas consolidation services list by country and city is linked on this page.

Which city has the most oil and gas consolidation services?

Houston leads with 578 company records, followed by Calgary (271) and Port Harcourt (200).

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 87,689 professional contacts with verified work emails tracked across these 10,145 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 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.