Company lists · Data refreshed September 2026

Top 13 Oil exploration companies based in Indonesia

RevenueBase identified 55 oil exploration companies headquartered in Indonesia as of September 2026 and tracks 13,263 professional contacts across them, including 1,795 with verified work emails. Jakarta is the largest hub.

This list covers oil exploration companies headquartered in Indonesia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
55Companies
13,263Contacts tracked
1,795Verified emails
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The 13 largest oil exploration companies based in Indonesia

Ranked by team size
Top 13 of 55 oil exploration companies based in Indonesia, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to oil exploration companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceJakarta Selatan, IndonesiaHQ checked Sep 20, 20261,001-5,0003,932 contacts →

Partial evidence

“We are the one and only national company that possesses combined competencies in oil & gas services: seismic, drilling and oilfield.”

Source: RevenueBase Database · checked Sep 20, 2026
2Indirect evidenceSouth Jakarta, IndonesiaHQ checked Sep 20, 20261,001-5,0001,200 contacts →

Indirect evidence

“PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.”

Source: RevenueBase Database · checked Sep 20, 2026
3Indirect evidenceSouth Jakarta, IndonesiaHQ checked Sep 20, 202610001+773 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceJakarta Barat, IndonesiaHQ checked Sep 20, 202651-200573 contacts →

Indirect evidence

“Company belonging to the Star Energy Group.”

Source: RevenueBase Database · checked Sep 20, 2026
5Strong evidenceJakarta, IndonesiaHQ checked Sep 20, 2026201-500331 contacts →

Strong evidence

“Kangean Energy Indonesia (KEI) is an oil and gas exploration and production company which was incorporated in Delaware.”

Source: RevenueBase Database · checked Sep 20, 2026
6Partial evidenceJakarta, IndonesiaHQ checked Sep 20, 2026501-1,000258 contacts →

Partial evidence

“PT Energi Mega Persada Tbk (EMP's) is an independent upstream oil and gas company headquartered in Jakarta, Indonesia.”

Source: RevenueBase Database · checked Sep 20, 2026
7Partial evidenceJakarta, IndonesiaHQ checked Sep 20, 202611-5072 contacts →

Partial evidence

“Welcome to PT OPAC Barata, your guide through the petroleum jungle, delivering a wide range of services tailored to the unique demands of the oil and gas, mining, and geothermal…”

Source: RevenueBase Database · checked Sep 20, 2026
8Partial evidenceJakarta, IndonesiaHQ checked Sep 20, 202651-20035 contacts →

Partial evidence

“Puncakbaru Jayatama (PJ) is a highly accredited exploration company based in Indonesia.”

Source: RevenueBase Database · checked Sep 20, 2026
9Strong evidenceDki Jakarta, IndonesiaHQ checked Sep 20, 20261,001-5,00017 contacts →

Strong evidence

“PT Pertamina EP (PEP) is engaged in managing the upstream oil and gas production through a more manageable exploration and exploitation activities.”

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidenceJakarta Selatan, IndonesiaHQ checked Sep 20, 202651-20011 contacts →

Indirect evidence

“KUFPEC Indonesia (Anambas) B.V.”

Source: RevenueBase Database · checked Sep 20, 2026
11Indirect evidenceJakarta Selatan, IndonesiaHQ checked Sep 20, 202611-507 contacts →

Indirect evidence

“PT WIS Energi Nusantara, officially incorporated in November 2013.”

Source: RevenueBase Database · checked Sep 20, 2026
12Strong evidenceJakarta, IndonesiaHQ checked Sep 20, 202611-504 contacts →

Strong evidence

“Early and Intermediate Exploration Solutions for Oil & Gas, Minerals, Geothermal or any subsurface structure that will give an indication of depth, position, and content that will…”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceSetiabudi, IndonesiaHQ checked Sep 20, 202611-501 contacts →

Indirect evidence

“Geowave is a full seismic services company established in 2009.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 13 of 55 oil exploration companies based in Indonesia

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Oil exploration companies based in Indonesia at a glance

As of Sep 20, 2026
13.5%Verified-email coverage
241.1Average contacts per company
51-200Median size (employees)
27.3%Largest-city concentration · Jakarta
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
5
11-50
19
51-200
11
201-500
8
501-1,000
4
1,001-5,000
5
5,001-10,000
1
10001+
2

Email recency for this list is measured worldwide rather than for Indonesia, so it is reported there. Company counts and contact totals on this page are exact for Indonesia, over 55 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among oil exploration companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Indonesia whose own description of what they do matches “oil exploration companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names oil exploration companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among oil exploration companies, and records with no verified work email. Companies headquartered outside Indonesia are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 1,795 across the full list. 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.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names oil exploration companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many oil exploration companies are there based in Indonesia?

RevenueBase identified 55 oil exploration companies headquartered in Indonesia as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

PT Elnusa TBK, headquartered in Jakarta Selatan Dki Jakarta, tops this list with the largest team on record.

Which city has the most oil exploration companies?

Jakarta leads with 15 headquartered companies, followed by Dki Jakarta (10) and Jakarta Selatan Dki Jakarta (4).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,795 verified decision-maker contacts tracked across these 55 companies.

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.

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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 Smart Search, 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.