Company lists · Data refreshed October 2026

Top 25 Downstream oil and gas companies worldwide

RevenueBase identified 677 company matches for downstream oil and gas companies worldwide as of October 2026 and tracks 158,369 professional contacts across them, including 15,802 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for downstream oil and gas 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 October 11, 2026. Country and city lists for downstream oil and gas 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 Oct 11, 2026 How this list was built
677Companies
158,369Contacts tracked
15,802Verified emails
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The 25 largest downstream oil and gas companies worldwide

Ranked by team size
Top 25 of 677 company matches for downstream oil and gas companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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 matchHydra, AlgeriaHQ recorded Oct 11, 202610001+37,481 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 · Oct 11, 2026 · View company records in RevenueBase
2Exact matchKuala Lumpur, MalaysiaHQ recorded Oct 11, 202610001+29,120 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 · Oct 11, 2026 · View company records in RevenueBase
3Exact matchNew Delhi, IndiaHQ recorded Oct 11, 202610001+16,282 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 · Oct 11, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Oct 11, 20261,001-5,0004,517 contacts →

Exact match

“CITGO Petroleum Corporation is a recognized leader in the refining industry and operates under the well-known CITGO brand.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5Exact matchCalgary, AB, CanadaHQ recorded Oct 11, 20265,001-10,0004,275 contacts →

Exact match

“After more than a century, Imperial continues to be an industry leader in applying technology and innovation to responsibly develop Canada’s energy resources.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6Exact matchMumbai, IndiaHQ recorded Oct 11, 20261,001-5,0004,177 contacts →

Exact match

“Nayara Energy is an international energy company with a strong presence in the hydrocarbon value chain ranging from refining to production and marketing to retail.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7Exact matchJakarta Selatan, IndonesiaHQ recorded Oct 11, 20261,001-5,0004,167 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 11, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Oct 11, 20261,001-5,0002,731 contacts →

Exact match

“Headquartered in Houston, Texas, Motiva refines, distributes and markets petroleum products throughout the Americas.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9Exact matchDhahran, Saudi ArabiaHQ recorded Oct 11, 20265,001-10,0002,299 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 11, 2026 · View company records in RevenueBase
10Exact matchJakarta, IndonesiaHQ recorded Oct 11, 20261,001-5,0001,788 contacts →

Exact match

“PT Pertamina Hulu Rokan (PHR) is a subsidiary of PT Pertamina Hulu Energi (PHE)”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11Exact matchBrentwood, TN, United StatesHQ recorded Oct 11, 20261,001-5,0001,312 contacts →

Exact match

“Delek US is a diversified downstream energy company with assets in petroleum refining, asphalt, renewable fuels, and logistics.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12Exact matchLibyaHQ recorded Oct 11, 20261,001-5,0001,283 contacts →

Exact match

“oil and gas”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13Exact matchChennai, IndiaHQ recorded Oct 11, 20261,001-5,0001,210 contacts →

Exact match

“Chennai Petroleum Corporation Limited (CPCL) is a subsidiary of IOCL with world class refining technologies and a dominant presence in South India.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14Exact matchRio De Janeiro, BrazilHQ recorded Oct 11, 2026501-1,0001,175 contacts →

Exact match

“Inaugurada em 1954, a Refit nasceu para ajudar o Brasil a escrever sua história de sucesso no mercado de petróleo.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15Exact matchDubai, United Arab EmiratesHQ recorded Oct 11, 20261,001-5,0001,088 contacts →

Exact match

“Dragon Oil is an upstream Oil & Gas company engaged in exploration, development and production operations.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16Exact matchComuna 1, ArgentinaHQ recorded Oct 11, 20261,001-5,0001,060 contacts →

Exact match

“Somos la compañía de energía lider en la prestación de servicios integrados en la industria Oil & Gas Nuestros servicios y soluciones permiten integran toda la cadena de valor del…”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17Exact matchSouth Jakarta, IndonesiaHQ recorded Oct 11, 202610001+850 contacts →

Exact match

“PT Pertamina Hulu Energi (PHE) merupakan anak perusahaan PT Pertamina (Persero).”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18Exact matchDallas, TX, United StatesHQ recorded Oct 11, 20261,001-5,000787 contacts →

Exact match

“EnLink is now part of ONEOK (NYSE: OKE)”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19Exact matchDamansara Heights, MalaysiaHQ recorded Oct 11, 2026501-1,000697 contacts →

Exact match

“Petron Malaysia is an emerging and rapidly evolving Asian oil company.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20Exact matchErnakulam, IndiaHQ recorded Oct 11, 20261,001-5,000669 contacts →

Exact match

“The BPCL Kochi Refinery, embarked on its journey in 1966 with a capacity of barrels per day.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21Exact matchAbuja, NigeriaHQ recorded Oct 11, 2026501-1,000655 contacts →

Exact match

“NNPC Retail, Nigeria’s downstream Oil & Gas company.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22Exact matchNigeriaHQ recorded Oct 11, 2026201-500653 contacts →

Exact match

“Downstream Nigerian oil & gas marketing company with spread across the federation.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23Exact matchCaba, IndiaHQ recorded Oct 11, 20261,001-5,000630 contacts →

Exact match

“Ofrecemos energía para movilizar a las personas y a los negocios.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24Exact matchKarachi, PakistanHQ recorded Oct 11, 2026201-500574 contacts →

Exact match

“Pakistan Refinery Limited was incorporated in Pakistan as a public limited company in May 1960 and is quoted on the Karachi and Lahore Stock Exchanges.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Oct 11, 2026501-1,000547 contacts →

Exact match

“CETCO Energy Services (CETCO) specializes in treating complex fluids for offshore oil and gas operators.”

Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase

Showing 25 of 677 downstream oil and gas companies worldwide

See the full list, filter by size, metro and specialty, and access 15,802 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Downstream oil and gas companies worldwide at a glance

As of Oct 11, 2026
10.0%Verified-email coverage
233.9Average contacts per company
11-50Median size (employees)
6.2%Largest-city concentration · Houston
Oct 11, 2026Page data refreshed

Companies by employee count

1-10
171
11-50
202
51-200
128
201-500
68
501-1,000
37
1,001-5,000
48
5,001-10,000
12
10001+
9

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 downstream oil and gas companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “downstream oil and gas 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 15,802 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 11, 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.

Downstream oil and gas companies by location

5 lists · largest first

Every Downstream oil and gas 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 “downstream oil and gas companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many downstream oil and gas companies are there worldwide?

RevenueBase identified 677 company matches for downstream oil and gas companies 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?

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

Which country has the most downstream oil and gas companies?

The United States leads with 187 companies, followed by Nigeria (67) and the United Arab Emirates (29). Every downstream oil and gas companies list by country and city is linked on this page.

Which city has the most downstream oil and gas companies?

Houston leads with 42 company records, followed by Lagos (16) and Calgary (14).

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 15,802 professional contacts with verified work emails tracked across these 677 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 11, 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.