Company lists · Data refreshed September 2026
Top 17 Geothermal reservoir engineering firms based in Indonesia
RevenueBase identified 77 company matches for geothermal reservoir engineering firms associated with Indonesia as of September 2026 and tracks 3,774 professional contacts across them, including 597 with verified work emails. Jakarta is the largest hub.
This list covers company matches for geothermal reservoir engineering firms associated with Indonesia, 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 16, 2026.
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 17 largest geothermal reservoir engineering firms based in Indonesia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,200 contacts → | ||||
Exact match “PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 501 contacts → | ||||
Exact match “PT Geo Dipa Energi (Persero) is a State-Owned Company specializing in Geothermal Energy” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 271 contacts → | ||||
Exact match “Supreme Energy Group of Companies (SEML/SERD/SERB), a growing Multinational Energy Companies with its core business on renewable energy Geothermal Power Plant.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 255 contacts → | ||||
Exact match “KWARSA HEXAGON is an independent consultant company founded in the year of 1982.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 72 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 67 contacts → | ||||
Exact match “PT Plumpang Raya Anugrah is an oil & energy company based out of Indonesia.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 30 contacts → | ||||
Exact match “PT Geo Sinergi Utama, through its brand GeoSynergy Solution, is a Jakarta-based engineering and consulting company specializing in geotechnical, hydrogeological, environmental…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 27 contacts → | ||||
Exact match “Rizqu Konsultan is a mining, environmental, and water resources consultancy providing integrated, data-driven solutions to support smarter and more responsible mining operations.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 24 contacts → | ||||
Exact match “Rigsis is a national private consulting company in Indonesia for the geothermal industry.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 23 contacts → | ||||
Exact match “GDA Group of Companies is a national private company in the field of research-based geology consultancy mainly in oil and gas industry.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 21 contacts → | ||||
Exact match “Geoenergis is an engineering and management consulting company in the field of energy and was officially established on November 5, 2020.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 20 contacts → | ||||
Exact match “PT Mining One Indonesia merupakan perusahaan jasa konsultasi yang fokus dalam memberikan solusi dan dukungan teknis kepada perusahaan eksplorasi dan pertambangan.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 20 contacts → | ||||
Exact match “WHO WE ARE?” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 17 contacts → | ||||
Exact match “PT Arka Data Pratama (Arka Data), founded in 2021, is a drilling technology and consultancy company committed to provide accessible geothermal, oil, and gas energy through…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 12 contacts → | ||||
Exact match “ABOUT US PT.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 10 contacts → | ||||
Exact match “PT.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 1 contacts → | ||||
Exact match “Incorporated in 2006 as a subsidiary of the distinguished Air Drilling Associates, PT Air Drilling swiftly emerged as a pioneering force in the drilling services sector.” Recorded in the RevenueBase company graph · Sep 16, 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 “geothermal reservoir engineering firms”. 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 17 of 77 geothermal reservoir engineering firms based in Indonesia
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Geothermal reservoir engineering firms based in Indonesia at a glance
As of Sep 16, 2026Companies by employee count
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 77 companies.
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.
- What qualifies
- Company records associated with Indonesia whose business descriptions match “geothermal reservoir engineering firms” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 597 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 16, 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.
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 “geothermal reservoir engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many geothermal reservoir engineering firms are there based in Indonesia?
RevenueBase identified 77 company matches for geothermal reservoir engineering firms associated with Indonesia 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?
PT Pertamina Drilling Services Indonesia tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most geothermal reservoir engineering firms?
Jakarta leads with 9 company records, followed by Dki Jakarta (7) and Bandung Jawa Barat (4).
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 597 professional contacts with verified work emails tracked across these 77 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 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 77 geothermal reservoir engineering firms based in Indonesia. Start with a free account, no credit card.
Download this list →Related lists
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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.
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Company intelligence · public preview
Top 17 geothermal reservoir engineering firms based in Indonesia
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 77 matching company records for geothermal reservoir engineering firms based in Indonesia, with 3,774 tracked contacts and 597 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 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 17 geothermal reservoir engineering firms based in Indonesia
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 |  PT Pertamina Drilling Services Indonesiapdsi.pertamina.comHQ: South Jakarta, IndonesiaReported employees: 1,001-5,000 | South Jakarta, Indonesia | 1,001-5,000 | Exact match | 1,200 contacts → |
“PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | PT GEO Dipa Energi Perserogeodipa.co.id HQ: Jakarta Selatan, IndonesiaReported employees: 201-500 | Jakarta Selatan, Indonesia | 201-500 | Exact match | 501 contacts → |
“PT Geo Dipa Energi (Persero) is a State-Owned Company specializing in Geothermal Energy” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Supreme Energysupreme-energy.com HQ: Jakarta Selatan, IndonesiaReported employees: 201-500 | Jakarta Selatan, Indonesia | 201-500 | Exact match | 271 contacts → |
“Supreme Energy Group of Companies (SEML/SERD/SERB), a growing Multinational Energy Companies with its core business on renewable energy Geothermal Power Plant.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Pt. Kwarsa Hexagonkwarsahexagon.co.idHQ: Bandung, IndonesiaReported employees: 201-500 | Bandung, Indonesia | 201-500 | Exact match | 255 contacts → |
“KWARSA HEXAGON is an independent consultant company founded in the year of 1982.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Opac Barataopacbarata.co.idHQ: Jakarta, IndonesiaReported employees: 11-50 | Jakarta, Indonesia | 11-50 | Exact match | 72 contacts → |
“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…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  PT Plumpang Raya Anugrahpra-group.comHQ: Kompleks Rukan Nusantara, IndonesiaReported employees: 201-500 | Kompleks Rukan Nusantara, Indonesia | 201-500 | Exact match | 67 contacts → |
“PT Plumpang Raya Anugrah is an oil & energy company based out of Indonesia.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Pt. GEO Sinergi Utamageosynergy-solution.comHQ: Bogor (kab.), IndonesiaReported employees: 51-200 | Bogor (kab.), Indonesia | 51-200 | Exact match | 30 contacts → |
“PT Geo Sinergi Utama, through its brand GeoSynergy Solution, is a Jakarta-based engineering and consulting company specializing in geotechnical, hydrogeological, environmental…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Rizqu Konsultanrizqukonsultan.comHQ: Surabaya, IndonesiaReported employees: 11-50 | Surabaya, Indonesia | 11-50 | Exact match | 27 contacts → |
“Rizqu Konsultan is a mining, environmental, and water resources consultancy providing integrated, data-driven solutions to support smarter and more responsible mining operations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Rigsisrigsis.comHQ: South Jakarta, IndonesiaReported employees: 11-50 | South Jakarta, Indonesia | 11-50 | Exact match | 24 contacts → |
“Rigsis is a national private consulting company in Indonesia for the geothermal industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Geosain Delta Andalangda.co.idHQ: Jakarta, IndonesiaReported employees: 51-200 | Jakarta, Indonesia | 51-200 | Exact match | 23 contacts → |
“GDA Group of Companies is a national private company in the field of research-based geology consultancy mainly in oil and gas industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Geoenergisgeoenergis.comHQ: Jakarta Selatan, IndonesiaReported employees: 11-50 | Jakarta Selatan, Indonesia | 11-50 | Exact match | 21 contacts → |
“Geoenergis is an engineering and management consulting company in the field of energy and was officially established on November 5, 2020.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  PT Mining ONE Indonesiaminingone.com.auHQ: Jakarta Selatan, IndonesiaReported employees: 51-200 | Jakarta Selatan, Indonesia | 51-200 | Exact match | 20 contacts → |
“PT Mining One Indonesia merupakan perusahaan jasa konsultasi yang fokus dalam memberikan solusi dan dukungan teknis kepada perusahaan eksplorasi dan pertambangan.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  PT AKA Geosains Consultingakgc.co.idHQ: Tangerang Selatan, IndonesiaReported employees: 11-50 | Tangerang Selatan, Indonesia | 11-50 | Exact match | 20 contacts → |
“WHO WE ARE?” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Arka Dataarkadata.netHQ: Jakarta Selatan, IndonesiaReported employees: 11-50 | Jakarta Selatan, Indonesia | 11-50 | Exact match | 17 contacts → |
“PT Arka Data Pratama (Arka Data), founded in 2021, is a drilling technology and consultancy company committed to provide accessible geothermal, oil, and gas energy through…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Pt. Exact Global Teknologiexactglobal.co.idHQ: Bandung, IndonesiaReported employees: 1-10 | Bandung, Indonesia | 1-10 | Exact match | 12 contacts → |
“ABOUT US PT.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Lenusa Consultinglenusa.idHQ: Bali, IndonesiaReported employees: 11-50 | Bali, Indonesia | 11-50 | Exact match | 10 contacts → |
“PT.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  AIR Drilling Associates EHairdrilling.comHQ: Dki Jakarta, IndonesiaReported employees: 51-200 | Dki Jakarta, Indonesia | 51-200 | Exact match | 1 contacts → |
“Incorporated in 2006 as a subsidiary of the distinguished Air Drilling Associates, PT Air Drilling swiftly emerged as a pioneering force in the drilling services sector.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 17 of 77 company matches
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Geothermal reservoir engineering firms: dataset insights
September 16, 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
77 records in the displayed employee bands.
0 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 worldwide rather than for Indonesia, so it is reported there. Company counts and contact totals on this page are exact for Indonesia, over 77 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 16, 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 ↗
Questions about this company list
What does Exact match mean for geothermal reservoir engineering firms?
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 geothermal reservoir engineering firms did RevenueBase find based in Indonesia?
The saved snapshot records 77 matching company records, 3,774 tracked contacts and 597 verified emails. The public preview displays 17 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 16, 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
Geothermal reservoir engineering firms by geography
- Geothermal reservoir engineering firms based in Argentina
- Geothermal reservoir engineering firms based in Australia
- Geothermal reservoir engineering firms based in Austria
- Geothermal reservoir engineering firms based in Belgium
- Geothermal reservoir engineering firms based in Brazil
- Geothermal reservoir engineering firms based in Canada
- Geothermal reservoir engineering firms based in Chile
- Geothermal reservoir engineering firms based in Colombia
- Geothermal reservoir engineering firms based in France
- Geothermal reservoir engineering firms based in Germany
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Cite this list
RevenueBase Data Team. Top 17 geothermal reservoir engineering firms based in Indonesia. Snapshot: September 16, 2026. https://revenuebase.ai/companies/geothermal-reservoir-engineering-firms/indonesia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Geothermal reservoir engineering firms based in Argentina
- Geothermal reservoir engineering firms based in Australia
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Company intelligence · public preview
Top 17 geothermal reservoir engineering firms based in Indonesia
RevenueBase records 77 matching company records for geothermal reservoir engineering firms based in Indonesia, with 3,774 tracked contacts and 597 verified work emails.
This public preview shows 17 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 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 17 geothermal reservoir engineering firms based in Indonesia
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 | PT Pertamina Drilling Services Indonesiapdsi.pertamina.com HQ: South Jakarta, IndonesiaReported employees: 1,001-5,000 | South Jakarta, Indonesia | 1,001-5,000 | Exact match | 1,200 contacts → |
“PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | PT GEO Dipa Energi Perserogeodipa.co.id HQ: Jakarta Selatan, IndonesiaReported employees: 201-500 | Jakarta Selatan, Indonesia | 201-500 | Exact match | 501 contacts → |
“PT Geo Dipa Energi (Persero) is a State-Owned Company specializing in Geothermal Energy” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Supreme Energysupreme-energy.com HQ: Jakarta Selatan, IndonesiaReported employees: 201-500 | Jakarta Selatan, Indonesia | 201-500 | Exact match | 271 contacts → |
“Supreme Energy Group of Companies (SEML/SERD/SERB), a growing Multinational Energy Companies with its core business on renewable energy Geothermal Power Plant.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Pt. Kwarsa Hexagonkwarsahexagon.co.id HQ: Bandung, IndonesiaReported employees: 201-500 | Bandung, Indonesia | 201-500 | Exact match | 255 contacts → |
“KWARSA HEXAGON is an independent consultant company founded in the year of 1982.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Opac Barataopacbarata.co.id HQ: Jakarta, IndonesiaReported employees: 11-50 | Jakarta, Indonesia | 11-50 | Exact match | 72 contacts → |
“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…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | PT Plumpang Raya Anugrahpra-group.com HQ: Kompleks Rukan Nusantara, IndonesiaReported employees: 201-500 | Kompleks Rukan Nusantara, Indonesia | 201-500 | Exact match | 67 contacts → |
“PT Plumpang Raya Anugrah is an oil & energy company based out of Indonesia.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Pt. GEO Sinergi Utamageosynergy-solution.com HQ: Bogor (kab.), IndonesiaReported employees: 51-200 | Bogor (kab.), Indonesia | 51-200 | Exact match | 30 contacts → |
“PT Geo Sinergi Utama, through its brand GeoSynergy Solution, is a Jakarta-based engineering and consulting company specializing in geotechnical, hydrogeological, environmental…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Rizqu Konsultanrizqukonsultan.com HQ: Surabaya, IndonesiaReported employees: 11-50 | Surabaya, Indonesia | 11-50 | Exact match | 27 contacts → |
“Rizqu Konsultan is a mining, environmental, and water resources consultancy providing integrated, data-driven solutions to support smarter and more responsible mining operations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Rigsisrigsis.com HQ: South Jakarta, IndonesiaReported employees: 11-50 | South Jakarta, Indonesia | 11-50 | Exact match | 24 contacts → |
“Rigsis is a national private consulting company in Indonesia for the geothermal industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Geosain Delta Andalangda.co.id HQ: Jakarta, IndonesiaReported employees: 51-200 | Jakarta, Indonesia | 51-200 | Exact match | 23 contacts → |
“GDA Group of Companies is a national private company in the field of research-based geology consultancy mainly in oil and gas industry.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Geoenergisgeoenergis.com HQ: Jakarta Selatan, IndonesiaReported employees: 11-50 | Jakarta Selatan, Indonesia | 11-50 | Exact match | 21 contacts → |
“Geoenergis is an engineering and management consulting company in the field of energy and was officially established on November 5, 2020.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | PT Mining ONE Indonesiaminingone.com.au HQ: Jakarta Selatan, IndonesiaReported employees: 51-200 | Jakarta Selatan, Indonesia | 51-200 | Exact match | 20 contacts → |
“PT Mining One Indonesia merupakan perusahaan jasa konsultasi yang fokus dalam memberikan solusi dan dukungan teknis kepada perusahaan eksplorasi dan pertambangan.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | PT AKA Geosains Consultingakgc.co.id HQ: Tangerang Selatan, IndonesiaReported employees: 11-50 | Tangerang Selatan, Indonesia | 11-50 | Exact match | 20 contacts → |
“WHO WE ARE?” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Arka Dataarkadata.net HQ: Jakarta Selatan, IndonesiaReported employees: 11-50 | Jakarta Selatan, Indonesia | 11-50 | Exact match | 17 contacts → |
“PT Arka Data Pratama (Arka Data), founded in 2021, is a drilling technology and consultancy company committed to provide accessible geothermal, oil, and gas energy through…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Pt. Exact Global Teknologiexactglobal.co.id HQ: Bandung, IndonesiaReported employees: 1-10 | Bandung, Indonesia | 1-10 | Exact match | 12 contacts → |
“ABOUT US PT.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Lenusa Consultinglenusa.id HQ: Bali, IndonesiaReported employees: 11-50 | Bali, Indonesia | 11-50 | Exact match | 10 contacts → |
“PT.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | AIR Drilling Associates EHairdrilling.com HQ: Dki Jakarta, IndonesiaReported employees: 51-200 | Dki Jakarta, Indonesia | 51-200 | Exact match | 1 contacts → |
“Incorporated in 2006 as a subsidiary of the distinguished Air Drilling Associates, PT Air Drilling swiftly emerged as a pioneering force in the drilling services sector.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Geothermal reservoir engineering firms: dataset insights
September 16, 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
77 records in the displayed employee bands.
0 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 worldwide rather than for Indonesia, so it is reported there. Company counts and contact totals on this page are exact for Indonesia, over 77 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 16, 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 ↗
Questions about this company list
What does Exact match mean for geothermal reservoir engineering firms?
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 geothermal reservoir engineering firms did RevenueBase find based in Indonesia?
The saved snapshot records 77 matching company records, 3,774 tracked contacts and 597 verified emails. The public preview displays 17 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 16, 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.
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Cite this list
RevenueBase Data Team. Top 17 geothermal reservoir engineering firms based in Indonesia. Snapshot: September 16, 2026. https://revenuebase.ai/companies/geothermal-reservoir-engineering-firms/indonesia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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