Company lists · Data refreshed September 2026

Top 25 Refinery companies worldwide

Name: Refinery companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 9,392 companies tracked

RevenueBase identified 9,392 company matches for refinery companies worldwide as of September 2026 and tracks 1,086,122 professional contacts across them, including 204,834 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for refinery 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 21, 2026. Country and city lists for refinery 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 21, 2026 How this list was built

9,392Companies

1,086,122Contacts tracked

204,834Verified emails

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The 25 largest refinery companies worldwide

Ranked by team size

Top 25 of 9,392 company matches for refinery companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	Aramco	Exact match	Dhahran, Saudi ArabiaHQ recorded Sep 21, 2026	10001+	111,637 contacts →
	Exact match “We’re a leading producer of the energy and chemicals that drive global commerce and enhance the daily lives of people around the globe by continuing delivering an uninterrupted…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Reliance Industries Limited	Exact match	Navi Mumbai, IndiaHQ recorded Sep 21, 2026	10001+	69,785 contacts →
	Exact match “Our motto “Growth is Life” aptly captures the ever-evolving spirit of Reliance.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	Chevron	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	10001+	60,138 contacts →
	Exact match “Our greatest resource is our people.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Petrobras	Exact match	Rio De Janeiro, BrazilHQ recorded Sep 21, 2026	n/a	45,023 contacts →
	Exact match “Estamos em uma pausa temporária de conteúdo, devido ao período de defeso eleitoral, conforme a Lei 9.504/1997.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	Sonatrach	Exact match	Hydra, AlgeriaHQ recorded Sep 21, 2026	10001+	36,135 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 · Sep 21, 2026 · View company records in RevenueBase
6	PEMEX	Exact match	México, MexicoHQ recorded Sep 21, 2026	10001+	35,924 contacts →
	Exact match “Petróleos Mexicanos es la mayor empresa de México, el mayor contribuyente fiscal del país, así como una de las empresas más grandes de América Latina.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Petronas	Exact match	Kuala Lumpur, MalaysiaHQ recorded Sep 21, 2026	10001+	28,095 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 · Sep 21, 2026 · View company records in RevenueBase
8	Adnoc Group	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Sep 21, 2026	10001+	25,939 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 · Sep 21, 2026 · View company records in RevenueBase
9	SASOL	Exact match	Sandton, United StatesHQ recorded Sep 21, 2026	10001+	22,535 contacts →
	Exact match “Sasol is a global chemicals and energy company.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	ENI	Exact match	Rome, ItalyHQ recorded Sep 21, 2026	10001+	20,038 contacts →
	Exact match “Eni is an integrated energy company, founded in 1953, with 31.376 employees in 69 countries around the world, including Algeria, Angola, Mozambique, Mexico, Indonesia and Italy.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Bharat Petroleum Corporation Limited	Exact match	Mumbai, IndiaHQ recorded Sep 21, 2026	10001+	18,628 contacts →
	Exact match “Fortune Global 500 Company, Bharat Petroleum is the second largest Indian Oil Marketing Company and one of the premier integrated energy companies in India, engaged in refining of…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	OXY	Exact match	Houston, TX, United StatesHQ recorded Sep 21, 2026	10001+	16,245 contacts →
	Exact match “Oxy is an international energy company that produces, markets and transports oil and natural gas to maximize value and provide resources fundamental to life.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	OIL And Natural GAS Corporation LTD	Exact match	New Delhi, IndiaHQ recorded Sep 21, 2026	10001+	15,722 contacts →
	Exact match “Maharatna ONGC is the largest producer of crude oil and natural gas in India, contributing around 70 per cent of Indian domestic production.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Marathon Petroleum Corporation	Exact match	Findlay, OH, United StatesHQ recorded Sep 21, 2026	10001+	14,238 contacts →
	Exact match “Marathon Petroleum Corporation (MPC) is a leading, integrated, downstream and midstream energy company headquartered in Findlay, Ohio.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Suncor	Exact match	Calgary, AB, CanadaHQ recorded Sep 21, 2026	10001+	13,951 contacts →
	Exact match “In 1967, we pioneered commercial development of Canada's oil sands – one of the largest petroleum resource basins in the world.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Petroleum Development Oman	Exact match	Muscat, OmanHQ recorded Sep 21, 2026	5,001-10,000	12,478 contacts →
	Exact match “We are the leading exploration and production company in the Sultanate of Oman that delivers the majority of the country's crude oil production and natural gas supply, but above…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Glencore	Exact match	Baar, SwitzerlandHQ recorded Sep 21, 2026	10001+	11,825 contacts →
	Exact match “Glencore is one of the world’s largest global diversified natural resource companies and a major producer and marketer of more than 60 commodities that advance everyday life.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	Valero	Exact match	San Antonio, TX, United StatesHQ recorded Sep 21, 2026	10001+	9,405 contacts →
	Exact match “Valero is an international manufacturer and marketer of transportation fuels and petrochemical products.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	Cenovus Energy	Exact match	Calgary, AB, CanadaHQ recorded Sep 21, 2026	5,001-10,000	6,379 contacts →
	Exact match “Cenovus Energy Inc.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Sinopec	Exact match	ChinaHQ recorded Sep 21, 2026	10001+	6,357 contacts →
	Exact match “One of the largest energy corporation in the world and is a super-large petroleum and petrochemical enterprise grou” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Perenco	Exact match	Londres, United KingdomHQ recorded Sep 21, 2026	5,001-10,000	5,220 contacts →
	Exact match “Founded over thirty years ago, Perenco is an independent hydrocarbon producer involved in the entire lifecycle of projects, from exploration to decommissioning.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	ENGEN	Exact match	Cape Town, South AfricaHQ recorded Sep 21, 2026	1,001-5,000	5,175 contacts →
	Exact match “Engen, a Vivo Energy brand, is an African-based energy company committed to powering progress - responsibly and sustainably.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	GALP	Exact match	Alcântara, PortugalHQ recorded Sep 21, 2026	5,001-10,000	4,960 contacts →
	Exact match “Galp is an energy company committed to the development of efficient solutions in its operations and in the integrated services it offers to customers.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	ENOC	Exact match	Dubai, United Arab EmiratesHQ recorded Sep 21, 2026	5,001-10,000	4,897 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 · Sep 21, 2026 · View company records in RevenueBase
25	Sadara Chemical Company	Exact match	Jubail, Saudi ArabiaHQ recorded Sep 21, 2026	1,001-5,000	4,828 contacts →
	Exact match “Sadara represents a unique alliance between two corporate giants, each with shared values and distinguished leadership in its respective industry.” Recorded in the RevenueBase company graph · Sep 21, 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 “refinery 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 9,392 refinery companies worldwide

See the full list, filter by size, metro and specialty, and access 204,834 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Refinery companies worldwide at a glance

As of Sep 21, 2026

18.9%Verified-email coverage

115.6Average contacts per company

11-50Median size (employees)

2.7%Largest-city concentration · Houston

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

2,482

11-50

3,106

51-200

1,995

201-500

865

501-1,000

368

1,001-5,000

363

5,001-10,000

10001+

102

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 refinery companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “refinery 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 204,834 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 21, 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.

Refinery companies by location

37 lists · largest first

Every Refinery 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 “refinery companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many refinery companies are there worldwide?

RevenueBase identified 9,392 company matches for refinery 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?

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

Which country has the most refinery companies?

The United States leads with 1,859 companies, followed by India (673) and the United Arab Emirates (430). Every refinery companies list by country and city is linked on this page.

Which city has the most refinery companies?

Houston leads with 249 company records, followed by Tehran (203) and Dubai (192).

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 204,834 professional contacts with verified work emails tracked across these 9,392 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 21, 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.