Company lists · Data refreshed November 2026

Top 25 Oil and gas infrastructure companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 4, 2026 5,353 companies tracked

RevenueBase identified 5,353 company matches for oil and gas infrastructure companies worldwide as of November 2026 and tracks 524,425 professional contacts across them, including 102,932 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 infrastructure 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 November 4, 2026. Country and city lists for oil and gas infrastructure 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 Nov 4, 2026 How this list was built

5,353Companies

524,425Contacts tracked

102,932Verified emails

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The 25 largest oil and gas infrastructure companies worldwide

Ranked by team size

Top 25 of 5,353 company matches for oil and gas infrastructure companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 4, 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	Sonatrach	Exact match	Hydra, AlgeriaHQ recorded Nov 4, 2026	10001+	38,980 contacts →
	Exact match “Sonatrach (Société Nationale pour la Recherche, la Production, le Transport, la Transformation, et la Commercialisation des Hydrocarbures s.p.a.) is an Algerian government-owned…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
2	Saipem	Exact match	Milan, ItalyHQ recorded Nov 4, 2026	10001+	36,899 contacts →
	Exact match “Saipem is a global leader in the engineering and construction of major projects for the energy and infrastructure sectors, both offshore and onshore.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
3	Petronas	Exact match	Kuala Lumpur, MalaysiaHQ recorded Nov 4, 2026	10001+	29,793 contacts →
	Exact match “Petroliam Nasional Berhad (PETRONAS) is a leading global energy company committed to powering society’s progress in a responsible and sustainable manner.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
4	Adnoc Group	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Nov 4, 2026	10001+	27,308 contacts →
	Exact match “We are one of the world's leading energy producers, and a primary catalyst for Abu Dhabi’s growth and diversification.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
5	Aker Solutions	Exact match	Fornebu, NorwayHQ recorded Nov 4, 2026	10001+	16,534 contacts →
	Exact match “Aker Solutions is a global engineering and technology company known for delivering complex energy projects with trusted quality and predictable results.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
6	Petrofac	Exact match	London, United KingdomHQ recorded Nov 4, 2026	5,001-10,000	13,144 contacts →
	Exact match “We are a leading international service provider to the energy industry, with a diverse client portfolio including many of the world’s leading energy companies.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
7	Tecnicas Reunidas	Exact match	Madrid, SpainHQ recorded Nov 4, 2026	10001+	11,748 contacts →
	Exact match “TR is an international general contractor engaged in the engineering and construction of industrial facilities in the fields of-Oil & Gas -Refining & Petrochemical -Power…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
8	Kinder Morgan, INC	Exact match	Houston, TX, United StatesHQ recorded Nov 4, 2026	10001+	8,849 contacts →
	Exact match “Kinder Morgan, Inc.(NYSE: KMI) is one of the largest energy infrastructure companies in North America.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
9	Enbridge	Exact match	Calgary, AB, CanadaHQ recorded Nov 4, 2026	10001+	7,713 contacts →
	Exact match “At Enbridge, our goal is to be the first-choice energy delivery company in North America and beyond-for customers, communities, investors, regulators and policymakers, and…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
10	Energy Transfer	Exact match	United StatesHQ recorded Nov 4, 2026	10001+	7,118 contacts →
	Exact match “Energy Transfer LP (NYSE: ET) owns and operates one of the largest and most diversified portfolios of energy assets in the United States, with more than miles of pipeline and…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
11	Aesa A-Evangelista SA	Exact match	Canning, IndiaHQ recorded Nov 4, 2026	5,001-10,000	5,428 contacts →
	Exact match “Since 1948 we specialize in projects for the energy industry.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
12	ENOC	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 4, 2026	5,001-10,000	5,094 contacts →
	Exact match “Emirates National Oil Company Group (ENOC) is a leading integrated global oil and gas player operating across the energy sector value chain.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
13	ONEOK	Exact match	Tulsa, OK, United StatesHQ recorded Nov 4, 2026	5,001-10,000	4,701 contacts →
	Exact match “At ONEOK (NYSE: OKE), we deliver energy products and services vital to an advancing world.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
14	PT Elnusa TBK	Exact match	Jakarta Selatan, IndonesiaHQ recorded Nov 4, 2026	1,001-5,000	4,263 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 · Nov 4, 2026 · View company records in RevenueBase
15	AIBEL	Exact match	Stavanger, NorwayHQ recorded Nov 4, 2026	1,001-5,000	4,093 contacts →
	Exact match “Aibel builds and maintains critical infrastructure for the energy sector and is one of the largest supplier companies in Norway.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
16	VOPAK	Exact match	3016 Ck Rotterdam, NetherlandsHQ recorded Nov 4, 2026	5,001-10,000	3,445 contacts →
	Exact match “At ports around the world, we provide storage and infrastructure solutions for vital products that enrich everyday life.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
17	Enerflex LTD	Exact match	Calgary, CanadaHQ recorded Nov 4, 2026	1,001-5,000	3,407 contacts →
	Exact match “Enerflex is a premier integrated global provider of energy infrastructure and energy transition solutions, deploying natural gas, low-carbon, and treated water solutions – from…” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
18	PSC Group	Exact match	Baton Rouge, LA, United StatesHQ recorded Nov 4, 2026	5,001-10,000	2,711 contacts →
	Exact match “PSC Group: the experts in complex logistics operations.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
19	Pakistan Petroleum Limited	Exact match	Karachi, PakistanHQ recorded Nov 4, 2026	1,001-5,000	2,601 contacts →
	Exact match “The pioneer of the natural gas industry in the country, Pakistan Petroleum Limited (PPL) has been a frontline player in the energy sector since the mid-1950s.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
20	Plains	Exact match	Houston, TX, United StatesHQ recorded Nov 4, 2026	1,001-5,000	2,584 contacts →
	Exact match “Powering people, fueling the future.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
21	Pembina Pipeline Corporation	Exact match	Calgary, AB, CanadaHQ recorded Nov 4, 2026	1,001-5,000	2,580 contacts →
	Exact match “Pembina Pipeline Corporation is a dynamic energy transportation and midstream provider, serving customers for 70 years.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
22	Targa Resources	Exact match	Houston, TX, United StatesHQ recorded Nov 4, 2026	1,001-5,000	2,499 contacts →
	Exact match “Targa is a leading provider of midstream services as one of the largest independent midstream infrastructure companies in North America.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
23	Taqa Industrialization & Energy Services Company	Exact match	Dhahran, Saudi ArabiaHQ recorded Nov 4, 2026	5,001-10,000	2,351 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 · Nov 4, 2026 · View company records in RevenueBase
24	Rotary Engineering	Exact match	SingaporeHQ recorded Nov 4, 2026	5,001-10,000	2,055 contacts →
	Exact match “Founded 1972 in Singapore, Rotary Engineering is your Strategic Energy Partner providing Integrated Infrastructure Solutions with a sustainability focus.” Recorded in the RevenueBase company graph · Nov 4, 2026 · View company records in RevenueBase
25	BG Group	Exact match	United KingdomHQ recorded Nov 4, 2026	n/a	2,044 contacts →
	Exact match “BG Group is now part of Royal Dutch Shell plc.” Recorded in the RevenueBase company graph · Nov 4, 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 infrastructure companies”. 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 5,353 oil and gas infrastructure companies worldwide

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Oil and gas infrastructure companies worldwide at a glance

As of Nov 4, 2026

19.6%Verified-email coverage

98.0Average contacts per company

11-50Median size (employees)

4.3%Largest-city concentration · Houston

Nov 4, 2026Page data refreshed

Companies by employee count

1-10

1,153

11-50

1,786

51-200

1,190

201-500

574

501-1,000

232

1,001-5,000

267

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 infrastructure companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “oil and gas infrastructure 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 102,932 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 4, 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 infrastructure companies by location

34 lists · largest first

Every Oil and gas infrastructure companies 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 infrastructure companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil and gas infrastructure companies are there worldwide?

RevenueBase identified 5,353 company matches for oil and gas infrastructure companies 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?

Sonatrach 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 infrastructure companies?

The United States leads with 1,228 companies, followed by Nigeria (337) and Canada (238). Every oil and gas infrastructure companies list by country and city is linked on this page.

Which city has the most oil and gas infrastructure companies?

Houston leads with 228 company records, followed by Tehran (88) and Port Harcourt (86).

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 102,932 professional contacts with verified work emails tracked across these 5,353 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 4, 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.