Company lists · Data refreshed October 2026
Top 25 Conventional oil and gas operators worldwide
RevenueBase identified 2,584 company matches for conventional oil and gas operators worldwide as of October 2026 and tracks 489,617 professional contacts across them, including 105,380 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers company matches for conventional oil and gas 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 October 10, 2026. Country and city lists for conventional oil and gas 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.
The 25 largest conventional oil and gas operators worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 62,955 contacts → | ||||
Exact match “Our greatest resource is our people.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 2 | 56,783 contacts → | ||||
Exact match “We collaborate and engineer solutions to maximize asset value for our customers.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 3 | 30,078 contacts → | ||||
Exact match “Weatherford International plc (Nasdaq: WFRD) is a leading global energy services company.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 4 | 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 10, 2026 · View company records in RevenueBase | |||||
| 5 | 16,331 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 6 | 16,208 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 7 | 14,377 contacts → | ||||
Exact match “We provide reliable energy for a world with growing demand.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 8 | 12,635 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 9 | 11,981 contacts → | ||||
Exact match “Ecopetrol (NYSE: EC) es la compañía más grande en Colombia y uno de los principales grupos de energía de Latinoamérica.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 10 | 6,524 contacts → | ||||
Exact match “Cenovus Energy Inc.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 11 | 5,975 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 12 | 5,440 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 13 | 5,351 contacts → | ||||
Exact match “We are an independent oil and natural gas acquisition, exploitation and exploration company.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 14 | 5,171 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 15 | 4,916 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 16 | 4,555 contacts → | ||||
Exact match “EOG Resources, Inc.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 17 | 4,177 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 10, 2026 · View company records in RevenueBase | |||||
| 18 | 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 10, 2026 · View company records in RevenueBase | |||||
| 19 | 3,997 contacts → | ||||
Exact match “PTTEP conducts business in petroleum exploration, development, and production.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 20 | 3,750 contacts → | ||||
Exact match “Murphy Oil Corporation is a global independent oil and natural gas exploration and production company.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 21 | 3,609 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 22 | 3,079 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 · Oct 10, 2026 · View company records in RevenueBase | |||||
| 23 | 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 10, 2026 · View company records in RevenueBase | |||||
| 24 | 2,888 contacts → | ||||
Exact match “Pluspetrol es una empresa privada de energía con más 45 años de experiencia en la exploración y producción de hidrocarburos.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase | |||||
| 25 | 2,582 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 · Oct 10, 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 “conventional oil and gas operators”. 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 2,584 conventional oil and gas operators worldwide
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Conventional oil and gas operators worldwide at a glance
As of Oct 10, 2026Companies by employee count
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 conventional oil and gas operators are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “conventional oil and gas 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 105,380 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 10, 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.
Conventional oil and gas operators by location
20 lists · largest firstEvery Conventional oil and gas operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Conventional oil and gas operators based in the United States927
- Conventional oil and gas operators based in the United Kingdom116
- Conventional oil and gas operators based in Canada89
- Conventional oil and gas operators based in Nigeria87
- Conventional oil and gas operators based in India70
- Conventional oil and gas operators based in the United Arab Emirates60
- Conventional oil and gas operators based in Brazil56
- Conventional oil and gas operators based in Indonesia54
- Conventional oil and gas operators based in Argentina32
- Conventional oil and gas operators based in Australia29
- Conventional oil and gas operators based in Egypt29
Cities
- Conventional oil and gas operators based in Houston, United States177
- Conventional oil and gas operators based in Calgary, Canada60
- Conventional oil and gas operators based in Dallas, United States48
- Conventional oil and gas operators based in Midland, United States38
- Conventional oil and gas operators based in London, United Kingdom35
- Conventional oil and gas operators based in Oklahoma City, United States35
- Conventional oil and gas operators based in Denver, United States32
- Conventional oil and gas operators based in Fort Worth, United States26
- Conventional oil and gas operators based in Tulsa, United States25
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 “conventional oil and gas operators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many conventional oil and gas operators are there worldwide?
RevenueBase identified 2,584 company matches for conventional oil and gas operators 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?
Chevron tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most conventional oil and gas operators?
The United States leads with 927 companies, followed by the United Kingdom (116) and Canada (89). Every conventional oil and gas operators list by country and city is linked on this page.
Which city has the most conventional oil and gas operators?
Houston leads with 177 company records, followed by Calgary (60) and Dallas (48).
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 105,380 professional contacts with verified work emails tracked across these 2,584 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 10, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,584 conventional oil and gas operators worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 conventional oil and gas operators worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,584 matching company records for conventional oil and gas operators worldwide, with 489,617 tracked contacts and 105,380 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 10, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 conventional oil and gas operators worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Chevronchevron.comHQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 62,955 contacts → |
“Our greatest resource is our people.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Halliburtonhalliburton.comHQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 56,783 contacts → |
“We collaborate and engineer solutions to maximize asset value for our customers.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Weatherfordweatherford.com HQ: Dublin, TX, IrelandReported employees: 10001+ | Dublin, TX, Ireland | 10001+ | Exact match | 30,078 contacts → |
“Weatherford International plc (Nasdaq: WFRD) is a leading global energy services company.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Petronaspetronas.com HQ: Kuala Lumpur, MalaysiaReported employees: 10001+ | Kuala Lumpur, Malaysia | 10001+ | Exact match | 29,120 contacts → |
“Petroliam Nasional Berhad (PETRONAS) is a leading global energy company committed to powering society’s progress in a responsible and sustainable manner.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Conocophillipsconocophillips.comHQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 16,331 contacts → |
“We are a global oil and gas company tasked with an important job-to safely find and deliver energy for the world.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  OXYoxy.comHQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 16,208 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Equinorequinor.comHQ: Stavanger, NorwayReported employees: 10001+ | Stavanger, Norway | 10001+ | Exact match | 14,377 contacts → |
“We provide reliable energy for a world with growing demand.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Petroleum Development Omanpdo.co.om HQ: Muscat, OmanReported employees: 5,001-10,000 | Muscat, Oman | 5,001-10,000 | Exact match | 12,635 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ecopetrolecopetrol.com.co HQ: Bogota, ColombiaReported employees: 10001+ | Bogota, Colombia | 10001+ | Exact match | 11,981 contacts → |
“Ecopetrol (NYSE: EC) es la compañía más grande en Colombia y uno de los principales grupos de energía de Latinoamérica.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Cenovus Energycenovus.comHQ: Calgary, AB, CanadaReported employees: 5,001-10,000 | Calgary, AB, Canada | 5,001-10,000 | Exact match | 6,524 contacts → |
“Cenovus Energy Inc.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Woodside Energywoodside.comHQ: Perth, AustraliaReported employees: 1,001-5,000 | Perth, Australia | 1,001-5,000 | Exact match | 5,975 contacts → |
“We aim to thrive through the global energy transition with a low-cost, lower-carbon, profitable, resilient and diversified portfolio.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Perencoperenco.comHQ: Londres, United KingdomReported employees: 5,001-10,000 | Londres, United Kingdom | 5,001-10,000 | Exact match | 5,440 contacts → |
“Founded over thirty years ago, Perenco is an independent hydrocarbon producer involved in the entire lifecycle of projects, from exploration to decommissioning.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | W&t Offshore Inc. Nyse WTIwtoffshore.com HQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 5,351 contacts → |
“We are an independent oil and natural gas acquisition, exploitation and exploration company.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  GALPgalp.comHQ: Alcântara, PortugalReported employees: 5,001-10,000 | Alcântara, Portugal | 5,001-10,000 | Exact match | 5,171 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ENOCenoc.com HQ: Dubai, United Arab EmiratesReported employees: 5,001-10,000 | Dubai, United Arab Emirates | 5,001-10,000 | Exact match | 4,916 contacts → |
“Emirates National Oil Company Group (ENOC) is a leading integrated global oil and gas player operating across the energy sector value chain.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  EOG Resourceseogresources.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 4,555 contacts → |
“EOG Resources, Inc.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Nayara Energynayaraenergy.com HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 4,177 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  PT Elnusa TBKelnusa.co.idHQ: Jakarta Selatan, IndonesiaReported employees: 1,001-5,000 | Jakarta Selatan, Indonesia | 1,001-5,000 | Exact match | 4,167 contacts → |
“We are the one and only national company that possesses combined competencies in oil & gas services: seismic, drilling and oilfield.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | PTTEPpttep.com HQ: Chatuchak, ThailandReported employees: 1,001-5,000 | Chatuchak, Thailand | 1,001-5,000 | Exact match | 3,997 contacts → |
“PTTEP conducts business in petroleum exploration, development, and production.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Murphy OIL Corporationmurphyoilcorp.com HQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 3,750 contacts → |
“Murphy Oil Corporation is a global independent oil and natural gas exploration and production company.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Anadarko Petroleum Corporationanadarko.comHQ: The Woodlands, TX, United StatesReported employees: 1,001-5,000 | The Woodlands, TX, United States | 1,001-5,000 | Exact match | 3,609 contacts → |
“Anadarko is among the world’s largest independent oil and natural gas exploration and production companies, with corporate offices in The Woodlands, Texas.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Chesapeake Energychk.comHQ: Oklahoma City, OK, United StatesReported employees: 1,001-5,000 | Oklahoma City, OK, United States | 1,001-5,000 | Exact match | 3,079 contacts → |
“Headquartered in Oklahoma City, Chesapeake Energy Corporation is powered by dedicated and innovative employees who are focused on discovering and responsibly developing our…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  KEY Energy Serviceskeyenergy.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,923 contacts → |
“Headquartered in Houston, Texas, Key Energy Services provides a wide array of leading edge energy production solutions and services.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Pluspetrolpluspetrol.netHQ: Caba, IndiaReported employees: 1,001-5,000 | Caba, India | 1,001-5,000 | Exact match | 2,888 contacts → |
“Pluspetrol es una empresa privada de energía con más 45 años de experiencia en la exploración y producción de hidrocarburos.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Pakistan Petroleum Limitedppl.com.pk HQ: Karachi, PakistanReported employees: 1,001-5,000 | Karachi, Pakistan | 1,001-5,000 | Exact match | 2,582 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,584 company matches
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Conventional oil and gas operators: dataset insights
October 10, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,573 records in the displayed employee bands.
11 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,584 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 10, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Conventional oil and gas operators by location
20 lists · largest firstEvery Conventional oil and gas operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Conventional oil and gas operators based in the United States927
- Conventional oil and gas operators based in the United Kingdom116
- Conventional oil and gas operators based in Canada89
- Conventional oil and gas operators based in Nigeria87
- Conventional oil and gas operators based in India70
- Conventional oil and gas operators based in the United Arab Emirates60
- Conventional oil and gas operators based in Brazil56
- Conventional oil and gas operators based in Indonesia54
- Conventional oil and gas operators based in Argentina32
- Conventional oil and gas operators based in Australia29
- Conventional oil and gas operators based in Egypt29
Cities
- Conventional oil and gas operators based in Houston, United States177
- Conventional oil and gas operators based in Calgary, Canada60
- Conventional oil and gas operators based in Dallas, United States48
- Conventional oil and gas operators based in Midland, United States38
- Conventional oil and gas operators based in London, United Kingdom35
- Conventional oil and gas operators based in Oklahoma City, United States35
- Conventional oil and gas operators based in Denver, United States32
- Conventional oil and gas operators based in Fort Worth, United States26
- Conventional oil and gas operators based in Tulsa, United States25
Questions about this company list
What does Exact match mean for conventional oil and gas operators?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many conventional oil and gas operators did RevenueBase find worldwide?
The saved snapshot records 2,584 matching company records, 489,617 tracked contacts and 105,380 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 10, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 conventional oil and gas operators worldwide. Snapshot: October 10, 2026. https://revenuebase.ai/companies/browse/conventional-oil-and-gas-operators.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 conventional oil and gas operators worldwide
RevenueBase records 2,584 matching company records for conventional oil and gas operators worldwide, with 489,617 tracked contacts and 105,380 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 10, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 conventional oil and gas operators worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Chevronchevron.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 62,955 contacts → |
“Our greatest resource is our people.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Halliburtonhalliburton.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 56,783 contacts → |
“We collaborate and engineer solutions to maximize asset value for our customers.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Weatherfordweatherford.com HQ: Dublin, TX, IrelandReported employees: 10001+ | Dublin, TX, Ireland | 10001+ | Exact match | 30,078 contacts → |
“Weatherford International plc (Nasdaq: WFRD) is a leading global energy services company.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Petronaspetronas.com HQ: Kuala Lumpur, MalaysiaReported employees: 10001+ | Kuala Lumpur, Malaysia | 10001+ | Exact match | 29,120 contacts → |
“Petroliam Nasional Berhad (PETRONAS) is a leading global energy company committed to powering society’s progress in a responsible and sustainable manner.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Conocophillipsconocophillips.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 16,331 contacts → |
“We are a global oil and gas company tasked with an important job-to safely find and deliver energy for the world.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | OXYoxy.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 16,208 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Equinorequinor.com HQ: Stavanger, NorwayReported employees: 10001+ | Stavanger, Norway | 10001+ | Exact match | 14,377 contacts → |
“We provide reliable energy for a world with growing demand.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Petroleum Development Omanpdo.co.om HQ: Muscat, OmanReported employees: 5,001-10,000 | Muscat, Oman | 5,001-10,000 | Exact match | 12,635 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ecopetrolecopetrol.com.co HQ: Bogota, ColombiaReported employees: 10001+ | Bogota, Colombia | 10001+ | Exact match | 11,981 contacts → |
“Ecopetrol (NYSE: EC) es la compañía más grande en Colombia y uno de los principales grupos de energía de Latinoamérica.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Cenovus Energycenovus.com HQ: Calgary, AB, CanadaReported employees: 5,001-10,000 | Calgary, AB, Canada | 5,001-10,000 | Exact match | 6,524 contacts → |
“Cenovus Energy Inc.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Woodside Energywoodside.com HQ: Perth, AustraliaReported employees: 1,001-5,000 | Perth, Australia | 1,001-5,000 | Exact match | 5,975 contacts → |
“We aim to thrive through the global energy transition with a low-cost, lower-carbon, profitable, resilient and diversified portfolio.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Perencoperenco.com HQ: Londres, United KingdomReported employees: 5,001-10,000 | Londres, United Kingdom | 5,001-10,000 | Exact match | 5,440 contacts → |
“Founded over thirty years ago, Perenco is an independent hydrocarbon producer involved in the entire lifecycle of projects, from exploration to decommissioning.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | W&t Offshore Inc. Nyse WTIwtoffshore.com HQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 5,351 contacts → |
“We are an independent oil and natural gas acquisition, exploitation and exploration company.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | GALPgalp.com HQ: Alcântara, PortugalReported employees: 5,001-10,000 | Alcântara, Portugal | 5,001-10,000 | Exact match | 5,171 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ENOCenoc.com HQ: Dubai, United Arab EmiratesReported employees: 5,001-10,000 | Dubai, United Arab Emirates | 5,001-10,000 | Exact match | 4,916 contacts → |
“Emirates National Oil Company Group (ENOC) is a leading integrated global oil and gas player operating across the energy sector value chain.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | EOG Resourceseogresources.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 4,555 contacts → |
“EOG Resources, Inc.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Nayara Energynayaraenergy.com HQ: Mumbai, IndiaReported employees: 1,001-5,000 | Mumbai, India | 1,001-5,000 | Exact match | 4,177 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | PT Elnusa TBKelnusa.co.id HQ: Jakarta Selatan, IndonesiaReported employees: 1,001-5,000 | Jakarta Selatan, Indonesia | 1,001-5,000 | Exact match | 4,167 contacts → |
“We are the one and only national company that possesses combined competencies in oil & gas services: seismic, drilling and oilfield.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | PTTEPpttep.com HQ: Chatuchak, ThailandReported employees: 1,001-5,000 | Chatuchak, Thailand | 1,001-5,000 | Exact match | 3,997 contacts → |
“PTTEP conducts business in petroleum exploration, development, and production.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Murphy OIL Corporationmurphyoilcorp.com HQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 3,750 contacts → |
“Murphy Oil Corporation is a global independent oil and natural gas exploration and production company.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Anadarko Petroleum Corporationanadarko.com HQ: The Woodlands, TX, United StatesReported employees: 1,001-5,000 | The Woodlands, TX, United States | 1,001-5,000 | Exact match | 3,609 contacts → |
“Anadarko is among the world’s largest independent oil and natural gas exploration and production companies, with corporate offices in The Woodlands, Texas.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Chesapeake Energychk.com HQ: Oklahoma City, OK, United StatesReported employees: 1,001-5,000 | Oklahoma City, OK, United States | 1,001-5,000 | Exact match | 3,079 contacts → |
“Headquartered in Oklahoma City, Chesapeake Energy Corporation is powered by dedicated and innovative employees who are focused on discovering and responsibly developing our…” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | KEY Energy Serviceskeyenergy.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,923 contacts → |
“Headquartered in Houston, Texas, Key Energy Services provides a wide array of leading edge energy production solutions and services.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Pluspetrolpluspetrol.net HQ: Caba, IndiaReported employees: 1,001-5,000 | Caba, India | 1,001-5,000 | Exact match | 2,888 contacts → |
“Pluspetrol es una empresa privada de energía con más 45 años de experiencia en la exploración y producción de hidrocarburos.” Recorded description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Pakistan Petroleum Limitedppl.com.pk HQ: Karachi, PakistanReported employees: 1,001-5,000 | Karachi, Pakistan | 1,001-5,000 | Exact match | 2,582 contacts → |
“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 description excerpt · October 10, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Conventional oil and gas operators: dataset insights
October 10, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
2,573 records in the displayed employee bands.
11 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,584 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 10, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Conventional oil and gas operators by location
20 lists · largest firstEvery Conventional oil and gas operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Conventional oil and gas operators based in the United States927
- Conventional oil and gas operators based in the United Kingdom116
- Conventional oil and gas operators based in Canada89
- Conventional oil and gas operators based in Nigeria87
- Conventional oil and gas operators based in India70
- Conventional oil and gas operators based in the United Arab Emirates60
- Conventional oil and gas operators based in Brazil56
- Conventional oil and gas operators based in Indonesia54
- Conventional oil and gas operators based in Argentina32
- Conventional oil and gas operators based in Australia29
- Conventional oil and gas operators based in Egypt29
Cities
- Conventional oil and gas operators based in Houston, United States177
- Conventional oil and gas operators based in Calgary, Canada60
- Conventional oil and gas operators based in Dallas, United States48
- Conventional oil and gas operators based in Midland, United States38
- Conventional oil and gas operators based in London, United Kingdom35
- Conventional oil and gas operators based in Oklahoma City, United States35
- Conventional oil and gas operators based in Denver, United States32
- Conventional oil and gas operators based in Fort Worth, United States26
- Conventional oil and gas operators based in Tulsa, United States25
Questions about this company list
What does Exact match mean for conventional oil and gas operators?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many conventional oil and gas operators did RevenueBase find worldwide?
The saved snapshot records 2,584 matching company records, 489,617 tracked contacts and 105,380 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 10, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
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Cite this list
RevenueBase Data Team. Top 25 conventional oil and gas operators worldwide. Snapshot: October 10, 2026. https://revenuebase.ai/companies/browse/conventional-oil-and-gas-operators.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗