Company lists · Data refreshed September 2026
Top 25 Petroleum exploration companies worldwide
RevenueBase identified 2,347 company matches for petroleum exploration companies worldwide as of September 2026 and tracks 337,010 professional contacts across them, including 53,500 with verified work emails. The United States is the largest market and Calgary the largest hub.
This list covers company matches for petroleum exploration 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 20, 2026. Country and city lists for petroleum exploration 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.
The 25 largest petroleum exploration companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 20, 2026 · View company records in RevenueBase | |||||
| 2 | 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 20, 2026 · View company records in RevenueBase | |||||
| 3 | 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 20, 2026 · View company records in RevenueBase | |||||
| 4 | 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 20, 2026 · View company records in RevenueBase | |||||
| 5 | 6,379 contacts → | ||||
Exact match “Cenovus Energy Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 6,366 contacts → | ||||
Exact match “Our purpose is to provide reliable and affordable energy to help create a better world for everyone.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 5,559 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 5,489 contacts → | ||||
Exact match “We are an independent oil and natural gas acquisition, exploitation and exploration company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 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 20, 2026 · View company records in RevenueBase | |||||
| 10 | 4,642 contacts → | ||||
Exact match “Hess Corporation is a global independent energy company engaged in the exploration and production of crude oil and natural gas.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 4,346 contacts → | ||||
Exact match “EOG Resources, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 4,277 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 3,753 contacts → | ||||
Exact match “PTTEP conducts business in petroleum exploration, development, and production.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 3,514 contacts → | ||||
Exact match “Murphy Oil Corporation is a global independent oil and natural gas exploration and production company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 3,460 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 2,910 contacts → | ||||
Exact match “Medco E&P Indonesia, a subsidiary of Medco Energi Internasional Tbk, is dedicated to oil and gas operations in Indonesia, with a focus on upstream activities such as exploration…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 2,764 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 2,703 contacts → | ||||
Exact match “Aker BP explores for and produces oil and gas on the Norwegian continental shelf.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 2,585 contacts → | ||||
Exact match “Cairn Oil & Gas, part of Vedanta Limited, is India's largest private oil and gas exploration and production company, contributing more than a quarter of India’s domestic crude oil…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 20 | 2,511 contacts → | ||||
Exact match “INA-Industrija nafte, d.d.(INA, d.d.) is a medium-sized European oil company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 2,450 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 · Sep 20, 2026 · View company records in RevenueBase | |||||
| 22 | 2,240 contacts → | ||||
Exact match “Petroleum Company of Trinidad and Tobago Limited (“Petrotrin”), is an integrated Oil and Gas Company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 2,216 contacts → | ||||
Exact match “The largest independent oil and gas company listed on the London Stock Exchange.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 2,176 contacts → | ||||
Exact match “SM Energy Company is an independent energy company focused on the exploration, exploitation, development, acquisition, and production of natural gas and crude oil in the United…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 2,043 contacts → | ||||
Exact match “GUPCO was formed on July 31, 1965 after the discovery of EL-Morgan offshore oil field.” Recorded in the RevenueBase company graph · Sep 20, 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 “petroleum exploration 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 2,347 petroleum exploration companies worldwide
See the full list, filter by size, metro and specialty, and access 53,500 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Petroleum exploration companies worldwide at a glance
As of Sep 20, 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 petroleum exploration companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “petroleum exploration 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 53,500 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 20, 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.
Petroleum exploration companies by location
16 lists · largest firstEvery Petroleum exploration companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Petroleum exploration companies based in the United States640
- Petroleum exploration companies based in Canada165
- Petroleum exploration companies based in the United Kingdom131
- Petroleum exploration companies based in Nigeria92
- Petroleum exploration companies based in Australia90
- Petroleum exploration companies based in India63
- Petroleum exploration companies based in Egypt58
- Petroleum exploration companies based in Indonesia38
- Petroleum exploration companies based in Pakistan33
- Petroleum exploration companies based in the United Arab Emirates32
- Petroleum exploration companies based in Brazil26
Cities
- Petroleum exploration companies based in Houston, United States120
- Petroleum exploration companies based in Dallas, United States54
- Petroleum exploration companies based in Denver, United States27
- Petroleum exploration companies based in Fort Worth, United States27
- Petroleum exploration companies based in Midland, United States27
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 “petroleum exploration companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many petroleum exploration companies are there worldwide?
RevenueBase identified 2,347 company matches for petroleum exploration 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?
Sonatrach tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most petroleum exploration companies?
The United States leads with 640 companies, followed by Canada (165) and the United Kingdom (131). Every petroleum exploration companies list by country and city is linked on this page.
Which city has the most petroleum exploration companies?
Calgary leads with 125 company records, followed by Houston (120) and London (71).
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 53,500 professional contacts with verified work emails tracked across these 2,347 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 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,347 petroleum exploration companies 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 petroleum exploration companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,347 matching company records for petroleum exploration companies worldwide, with 337,010 tracked contacts and 53,500 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: September 20, 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 petroleum exploration companies 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 | Sonatrachsonatrach.com HQ: Hydra, AlgeriaReported employees: 10001+ | Hydra, Algeria | 10001+ | Exact match | 36,135 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  PEMEXpemex.comHQ: México, MexicoReported employees: 10001+ | México, Mexico | 10001+ | Exact match | 35,924 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Petronaspetronas.com HQ: Kuala Lumpur, MalaysiaReported employees: 10001+ | Kuala Lumpur, Malaysia | 10001+ | Exact match | 28,095 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Petroleum Development Omanpdo.co.om HQ: Muscat, OmanReported employees: 5,001-10,000 | Muscat, Oman | 5,001-10,000 | Exact match | 12,478 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Cenovus Energycenovus.comHQ: Calgary, AB, CanadaReported employees: 5,001-10,000 | Calgary, AB, Canada | 5,001-10,000 | Exact match | 6,379 contacts → |
“Cenovus Energy Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Santos LTDsantos.comHQ: Adelaide, AustraliaReported employees: 1,001-5,000 | Adelaide, Australia | 1,001-5,000 | Exact match | 6,366 contacts → |
“Our purpose is to provide reliable and affordable energy to help create a better world for everyone.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Woodside Energywoodside.comHQ: Perth, AustraliaReported employees: 1,001-5,000 | Perth, Australia | 1,001-5,000 | Exact match | 5,559 contacts → |
“We aim to thrive through the global energy transition with a low-cost, lower-carbon, profitable, resilient and diversified portfolio.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | W&t Offshore Inc. Nyse WTIwtoffshore.com HQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 5,489 contacts → |
“We are an independent oil and natural gas acquisition, exploitation and exploration company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Perencoperenco.comHQ: Londres, United KingdomReported employees: 5,001-10,000 | Londres, United Kingdom | 5,001-10,000 | Exact match | 5,220 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Hess Corporationchevron.comHQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 4,642 contacts → |
“Hess Corporation is a global independent energy company engaged in the exploration and production of crude oil and natural gas.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  EOG Resourceseogresources.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 4,346 contacts → |
“EOG Resources, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Imperial OILimperialoil.caHQ: Calgary, AB, CanadaReported employees: 5,001-10,000 | Calgary, AB, Canada | 5,001-10,000 | Exact match | 4,277 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | PTTEPpttep.com HQ: Chatuchak, ThailandReported employees: 1,001-5,000 | Chatuchak, Thailand | 1,001-5,000 | Exact match | 3,753 contacts → |
“PTTEP conducts business in petroleum exploration, development, and production.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Murphy OIL Corporationmurphyoilcorp.com HQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 3,514 contacts → |
“Murphy Oil Corporation is a global independent oil and natural gas exploration and production company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  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 | 3,460 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Medco E&p Indonesiamedcoenergi.com HQ: IndonesiaReported employees: 1,001-5,000 | Indonesia | 1,001-5,000 | Exact match | 2,910 contacts → |
“Medco E&P Indonesia, a subsidiary of Medco Energi Internasional Tbk, is dedicated to oil and gas operations in Indonesia, with a focus on upstream activities such as exploration…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Pluspetrolpluspetrol.netHQ: Caba, IndiaReported employees: 1,001-5,000 | Caba, India | 1,001-5,000 | Exact match | 2,764 contacts → |
“Pluspetrol es una empresa privada de energía con más 45 años de experiencia en la exploración y producción de hidrocarburos.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Aker BP ASAakerbp.comHQ: Lysaker, NorwayReported employees: 1,001-5,000 | Lysaker, Norway | 1,001-5,000 | Exact match | 2,703 contacts → |
“Aker BP explores for and produces oil and gas on the Norwegian continental shelf.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Cairn OIL And GAScairnindia.com HQ: Gurugram, IndiaReported employees: 1,001-5,000 | Gurugram, India | 1,001-5,000 | Exact match | 2,585 contacts → |
“Cairn Oil & Gas, part of Vedanta Limited, is India's largest private oil and gas exploration and production company, contributing more than a quarter of India’s domestic crude oil…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | INA Grupaina.hr HQ: Zagreb, CroatiaReported employees: 10001+ | Zagreb, Croatia | 10001+ | Exact match | 2,511 contacts → |
“INA-Industrija nafte, d.d.(INA, d.d.) is a medium-sized European oil company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Pakistan Petroleum Limitedppl.com.pk HQ: Karachi, PakistanReported employees: 1,001-5,000 | Karachi, Pakistan | 1,001-5,000 | Exact match | 2,450 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Petrotrinpetrotrin.com HQ: Pointe-a-pierre, Trinidad and TobagoReported employees: 5,001-10,000 | Pointe-a-pierre, Trinidad and Tobago | 5,001-10,000 | Exact match | 2,240 contacts → |
“Petroleum Company of Trinidad and Tobago Limited (“Petrotrin”), is an integrated Oil and Gas Company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Harbour Energyharbourenergy.comHQ: Victoria, United KingdomReported employees: 1,001-5,000 | Victoria, United Kingdom | 1,001-5,000 | Exact match | 2,216 contacts → |
“The largest independent oil and gas company listed on the London Stock Exchange.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | SM Energy Companysm-energy.com HQ: Denver, CO, United StatesReported employees: 501-1,000 | Denver, CO, United States | 501-1,000 | Exact match | 2,176 contacts → |
“SM Energy Company is an independent energy company focused on the exploration, exploitation, development, acquisition, and production of natural gas and crude oil in the United…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | GUPCOgupco.net HQ: Cairo, EgyptReported employees: 1,001-5,000 | Cairo, Egypt | 1,001-5,000 | Exact match | 2,043 contacts → |
“GUPCO was formed on July 31, 1965 after the discovery of EL-Morgan offshore oil field.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,347 company matches
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Petroleum exploration companies: dataset insights
September 20, 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
2,334 records in the displayed employee bands.
13 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 2,347 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: September 20, 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 ↗
Petroleum exploration companies by location
16 lists · largest firstEvery Petroleum exploration companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Petroleum exploration companies based in the United States640
- Petroleum exploration companies based in Canada165
- Petroleum exploration companies based in the United Kingdom131
- Petroleum exploration companies based in Nigeria92
- Petroleum exploration companies based in Australia90
- Petroleum exploration companies based in India63
- Petroleum exploration companies based in Egypt58
- Petroleum exploration companies based in Indonesia38
- Petroleum exploration companies based in Pakistan33
- Petroleum exploration companies based in the United Arab Emirates32
- Petroleum exploration companies based in Brazil26
Cities
- Petroleum exploration companies based in Houston, United States120
- Petroleum exploration companies based in Dallas, United States54
- Petroleum exploration companies based in Denver, United States27
- Petroleum exploration companies based in Fort Worth, United States27
- Petroleum exploration companies based in Midland, United States27
Questions about this company list
What does Exact match mean for petroleum exploration companies?
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 petroleum exploration companies did RevenueBase find worldwide?
The saved snapshot records 2,347 matching company records, 337,010 tracked contacts and 53,500 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: September 20, 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
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Cite this list
RevenueBase Data Team. Top 25 petroleum exploration companies worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/petroleum-exploration-companies.
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 petroleum exploration companies worldwide
RevenueBase records 2,347 matching company records for petroleum exploration companies worldwide, with 337,010 tracked contacts and 53,500 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: September 20, 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 petroleum exploration companies 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 | Sonatrachsonatrach.com HQ: Hydra, AlgeriaReported employees: 10001+ | Hydra, Algeria | 10001+ | Exact match | 36,135 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | PEMEXpemex.com HQ: México, MexicoReported employees: 10001+ | México, Mexico | 10001+ | Exact match | 35,924 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Petronaspetronas.com HQ: Kuala Lumpur, MalaysiaReported employees: 10001+ | Kuala Lumpur, Malaysia | 10001+ | Exact match | 28,095 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Petroleum Development Omanpdo.co.om HQ: Muscat, OmanReported employees: 5,001-10,000 | Muscat, Oman | 5,001-10,000 | Exact match | 12,478 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cenovus Energycenovus.com HQ: Calgary, AB, CanadaReported employees: 5,001-10,000 | Calgary, AB, Canada | 5,001-10,000 | Exact match | 6,379 contacts → |
“Cenovus Energy Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Santos LTDsantos.com HQ: Adelaide, AustraliaReported employees: 1,001-5,000 | Adelaide, Australia | 1,001-5,000 | Exact match | 6,366 contacts → |
“Our purpose is to provide reliable and affordable energy to help create a better world for everyone.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Woodside Energywoodside.com HQ: Perth, AustraliaReported employees: 1,001-5,000 | Perth, Australia | 1,001-5,000 | Exact match | 5,559 contacts → |
“We aim to thrive through the global energy transition with a low-cost, lower-carbon, profitable, resilient and diversified portfolio.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | W&t Offshore Inc. Nyse WTIwtoffshore.com HQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 5,489 contacts → |
“We are an independent oil and natural gas acquisition, exploitation and exploration company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Perencoperenco.com HQ: Londres, United KingdomReported employees: 5,001-10,000 | Londres, United Kingdom | 5,001-10,000 | Exact match | 5,220 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Hess Corporationchevron.com HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 4,642 contacts → |
“Hess Corporation is a global independent energy company engaged in the exploration and production of crude oil and natural gas.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | EOG Resourceseogresources.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 4,346 contacts → |
“EOG Resources, Inc.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Imperial OILimperialoil.ca HQ: Calgary, AB, CanadaReported employees: 5,001-10,000 | Calgary, AB, Canada | 5,001-10,000 | Exact match | 4,277 contacts → |
“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 description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | PTTEPpttep.com HQ: Chatuchak, ThailandReported employees: 1,001-5,000 | Chatuchak, Thailand | 1,001-5,000 | Exact match | 3,753 contacts → |
“PTTEP conducts business in petroleum exploration, development, and production.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Murphy OIL Corporationmurphyoilcorp.com HQ: Houston, TX, United StatesReported employees: Not recorded | Houston, TX, United States | Not recorded | Exact match | 3,514 contacts → |
“Murphy Oil Corporation is a global independent oil and natural gas exploration and production company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | 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 | 3,460 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Medco E&p Indonesiamedcoenergi.com HQ: IndonesiaReported employees: 1,001-5,000 | Indonesia | 1,001-5,000 | Exact match | 2,910 contacts → |
“Medco E&P Indonesia, a subsidiary of Medco Energi Internasional Tbk, is dedicated to oil and gas operations in Indonesia, with a focus on upstream activities such as exploration…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Pluspetrolpluspetrol.net HQ: Caba, IndiaReported employees: 1,001-5,000 | Caba, India | 1,001-5,000 | Exact match | 2,764 contacts → |
“Pluspetrol es una empresa privada de energía con más 45 años de experiencia en la exploración y producción de hidrocarburos.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Aker BP ASAakerbp.com HQ: Lysaker, NorwayReported employees: 1,001-5,000 | Lysaker, Norway | 1,001-5,000 | Exact match | 2,703 contacts → |
“Aker BP explores for and produces oil and gas on the Norwegian continental shelf.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Cairn OIL And GAScairnindia.com HQ: Gurugram, IndiaReported employees: 1,001-5,000 | Gurugram, India | 1,001-5,000 | Exact match | 2,585 contacts → |
“Cairn Oil & Gas, part of Vedanta Limited, is India's largest private oil and gas exploration and production company, contributing more than a quarter of India’s domestic crude oil…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | INA Grupaina.hr HQ: Zagreb, CroatiaReported employees: 10001+ | Zagreb, Croatia | 10001+ | Exact match | 2,511 contacts → |
“INA-Industrija nafte, d.d.(INA, d.d.) is a medium-sized European oil company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Pakistan Petroleum Limitedppl.com.pk HQ: Karachi, PakistanReported employees: 1,001-5,000 | Karachi, Pakistan | 1,001-5,000 | Exact match | 2,450 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 · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Petrotrinpetrotrin.com HQ: Pointe-a-pierre, Trinidad and TobagoReported employees: 5,001-10,000 | Pointe-a-pierre, Trinidad and Tobago | 5,001-10,000 | Exact match | 2,240 contacts → |
“Petroleum Company of Trinidad and Tobago Limited (“Petrotrin”), is an integrated Oil and Gas Company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Harbour Energyharbourenergy.com HQ: Victoria, United KingdomReported employees: 1,001-5,000 | Victoria, United Kingdom | 1,001-5,000 | Exact match | 2,216 contacts → |
“The largest independent oil and gas company listed on the London Stock Exchange.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | SM Energy Companysm-energy.com HQ: Denver, CO, United StatesReported employees: 501-1,000 | Denver, CO, United States | 501-1,000 | Exact match | 2,176 contacts → |
“SM Energy Company is an independent energy company focused on the exploration, exploitation, development, acquisition, and production of natural gas and crude oil in the United…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | GUPCOgupco.net HQ: Cairo, EgyptReported employees: 1,001-5,000 | Cairo, Egypt | 1,001-5,000 | Exact match | 2,043 contacts → |
“GUPCO was formed on July 31, 1965 after the discovery of EL-Morgan offshore oil field.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,347 company matches
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Petroleum exploration companies: dataset insights
September 20, 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
2,334 records in the displayed employee bands.
13 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 2,347 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: September 20, 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 ↗
Petroleum exploration companies by location
16 lists · largest firstEvery Petroleum exploration companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Petroleum exploration companies based in the United States640
- Petroleum exploration companies based in Canada165
- Petroleum exploration companies based in the United Kingdom131
- Petroleum exploration companies based in Nigeria92
- Petroleum exploration companies based in Australia90
- Petroleum exploration companies based in India63
- Petroleum exploration companies based in Egypt58
- Petroleum exploration companies based in Indonesia38
- Petroleum exploration companies based in Pakistan33
- Petroleum exploration companies based in the United Arab Emirates32
- Petroleum exploration companies based in Brazil26
Cities
- Petroleum exploration companies based in Houston, United States120
- Petroleum exploration companies based in Dallas, United States54
- Petroleum exploration companies based in Denver, United States27
- Petroleum exploration companies based in Fort Worth, United States27
- Petroleum exploration companies based in Midland, United States27
Questions about this company list
What does Exact match mean for petroleum exploration companies?
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 petroleum exploration companies did RevenueBase find worldwide?
The saved snapshot records 2,347 matching company records, 337,010 tracked contacts and 53,500 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: September 20, 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
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Cite this list
RevenueBase Data Team. Top 25 petroleum exploration companies worldwide. Snapshot: September 20, 2026. https://revenuebase.ai/companies/browse/petroleum-exploration-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗