Company lists · Data refreshed November 2026

Top 25 Independent oil operators worldwide

RevenueBase identified 2,780 company matches for independent oil operators worldwide as of November 2026 and tracks 546,888 professional contacts across them, including 136,929 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for independent oil operators 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 6, 2026. Country and city lists for independent oil operators 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 6, 2026 How this list was built
2,780Companies
546,888Contacts tracked
136,929Verified emails
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The 25 largest independent oil operators worldwide

Ranked by team size
Top 25 of 2,780 company matches for independent oil operators worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchHouston, CA, United StatesHQ recorded Nov 6, 202610001+64,984 contacts →

Exact match

“Our greatest resource is our people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHouston, United StatesHQ recorded Nov 6, 202610001+58,281 contacts →

Exact match

“We collaborate and engineer solutions to maximize asset value for our customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchKuala Lumpur, MalaysiaHQ recorded Nov 6, 202610001+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 6, 2026 · View company records in RevenueBase
4Exact matchAbu Dhabi, United Arab EmiratesHQ recorded Nov 6, 202610001+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 6, 2026 · View company records in RevenueBase
5Exact matchRome, ItalyHQ recorded Nov 6, 202610001+20,739 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202610001+16,744 contacts →

Exact match

“We are a global oil and gas company tasked with an important job-to safely find and deliver energy for the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202610001+16,458 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchStavanger, NorwayHQ recorded Nov 6, 202610001+14,614 contacts →

Exact match

“We provide reliable energy for a world with growing demand.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMuscat, OmanHQ recorded Nov 6, 20265,001-10,00012,899 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchStavanger, NorwayHQ recorded Nov 6, 202610001+10,546 contacts →

Exact match

“Statoil was founded on the idea that industrial development undertaken by skillful people should create value for society.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 202610001+9,381 contacts →

Exact match

“MAKE YOUR MARK WHILE YOU GROW YOUR CAREER At Canadian Natural we believe our employees are the key to unlocking asset potential.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 20265,001-10,0006,695 contacts →

Exact match

“Cenovus Energy Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchPerth, AustraliaHQ recorded Nov 6, 20261,001-5,0006,114 contacts →

Exact match

“We aim to thrive through the global energy transition with a low-cost, lower-carbon, profitable, resilient and diversified portfolio.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchLondres, United KingdomHQ recorded Nov 6, 20265,001-10,0005,669 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 · Nov 6, 2026 · View company records in RevenueBase
15Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026n/a5,544 contacts →

Exact match

“We are an independent oil and natural gas acquisition, exploitation and exploration company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAlcântara, PortugalHQ recorded Nov 6, 20265,001-10,0005,261 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 · Nov 6, 2026 · View company records in RevenueBase
17Exact matchDubai, United Arab EmiratesHQ recorded Nov 6, 20265,001-10,0005,094 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 6, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,0004,669 contacts →

Exact match

“EOG Resources, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 20265,001-10,0004,411 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 · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMumbai, IndiaHQ recorded Nov 6, 20261,001-5,0004,312 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 · Nov 6, 2026 · View company records in RevenueBase
21Exact matchChatuchak, ThailandHQ recorded Nov 6, 20261,001-5,0004,105 contacts →

Exact match

“PTTEP conducts business in petroleum exploration, development, and production.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Nov 6, 2026n/a3,868 contacts →

Exact match

“Murphy Oil Corporation is a global independent oil and natural gas exploration and production company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchThe Woodlands, TX, United StatesHQ recorded Nov 6, 20261,001-5,0003,694 contacts →

Exact match

“Anadarko is among the world’s largest independent oil and natural gas exploration and production companies, with corporate offices in The Woodlands, Texas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchOklahoma City, OK, United StatesHQ recorded Nov 6, 20261,001-5,0003,137 contacts →

Exact match

“Headquartered in Oklahoma City, Chesapeake Energy Corporation is powered by dedicated and innovative employees who are focused on discovering and responsibly developing our…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Nov 6, 20261,001-5,0002,991 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 · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 2,780 independent oil operators worldwide

See the full list, filter by size, metro and specialty, and access 136,929 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Independent oil operators worldwide at a glance

As of Nov 6, 2026
25.0%Verified-email coverage
196.7Average contacts per company
11-50Median size (employees)
8.7%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
948
11-50
873
51-200
446
201-500
203
501-1,000
89
1,001-5,000
120
5,001-10,000
28
10001+
46

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 independent oil operators are linked below.
What qualifies
Company records worldwide whose business descriptions match “independent oil operators” 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 136,929 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 6, 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.

Independent oil operators by location

20 lists · largest first

Every Independent oil operators 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 “independent oil operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many independent oil operators are there worldwide?

RevenueBase identified 2,780 company matches for independent oil operators 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?

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

Which country has the most independent oil operators?

The United States leads with 1,237 companies, followed by Canada (161) and the United Kingdom (143). Every independent oil operators list by country and city is linked on this page.

Which city has the most independent oil operators?

Houston leads with 241 company records, followed by Calgary (124) and Dallas (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 136,929 professional contacts with verified work emails tracked across these 2,780 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 6, 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.