Company lists · Data refreshed November 2026
Top 25 Geothermal reservoir engineers worldwide
RevenueBase identified 1,956 company matches for geothermal reservoir engineers worldwide as of November 2026 and tracks 83,187 professional contacts across them, including 22,979 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers company matches for geothermal reservoir engineers worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for geothermal reservoir engineers 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 geothermal reservoir engineers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 58,281 contacts → | ||||
Exact match “We collaborate and engineer solutions to maximize asset value for our customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,601 contacts → | ||||
Exact match “With over 70 offices in more than 50 countries located in major oil-producing provinces, Core Laboratories provides services to the world's major, national, and independent oil…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,344 contacts → | ||||
Exact match “PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,328 contacts → | ||||
Exact match “Clean, reliable energy solutions provided by geothermal power, recovered energy, and energy storage solutions are our expertise, commitment, and focus.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 866 contacts → | ||||
Exact match “Excellence Logging is an established energy services provider focused on optimizing well performance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 837 contacts → | ||||
Exact match “AGR – an Aqualis company – is a multidisciplinary consultancy, specialising in drilling & wells, subsurface, marine and subsea solutions, resourcing, technical safety and software…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 780 contacts → | ||||
Exact match “Seequent, The Bentley Subsurface Company, helps organisations to understand the underground, giving them the confidence to make better decisions faster.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 594 contacts → | ||||
Exact match “ARGAS, since its inception in 1966, was focused on developing Geological and Geophysical field solutions to further explore the earth’s Natural Resources.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 471 contacts → | ||||
Exact match “Constructora y Perforadora LATINA (“LATINA”) Es una empresa privada con mas de 60 años de experiencia en el sector de energía y actualmente es la principal empresa en…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 353 contacts → | ||||
Exact match “ASIAN is a reservoir imaging company, offering a suite of geophysical services specializing in land and well seismic services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 347 contacts → | ||||
Exact match “We deliver innovative geophysical, geological and geotechnical solutions for energy sector as well as renewable energy in Poland and worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 328 contacts → | ||||
Exact match “Somos a BVP Geotecnia e Hidrotecnia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 285 contacts → | ||||
Exact match “Fervo Energy provides 24/7 carbon-free energy through the development of next-generation geothermal power.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 284 contacts → | ||||
Exact match “Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 279 contacts → | ||||
Exact match “Thermaprime Drilling Corporation Geothermal, Oil & Gas Drilling BASIC SERVICES Well Construction Management • Drilling of geothermal wells • Drilling of onshore oil and gas wells…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 230 contacts → | ||||
Exact match “Beicip-Franlab is a leading Energy Consultancy and Software Editor created in the 1960's with recognized worldwide hands-on expertise.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 206 contacts → | ||||
Exact match “Marriott Drilling Group is the UK’s only remaining truly independent land Drilling Specialist, trusted for over 75 years to deliver safe, efficient and technically robust drilling…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 142 contacts → | ||||
Exact match “EPI Group is a leading provider of specialist geoscience, QHSE, environmental and technical services for the energy industry worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 137 contacts → | ||||
Exact match “ABOUT http://iceland-drilling.com/ Iceland Drilling Ltd is a leading high technical company in the field of high temperature geothermal drilling and has many decades of experience…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 136 contacts → | ||||
Exact match “Mannvit, is now part of COWI.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 133 contacts → | ||||
Exact match “PetroTel is recognized worldwide as an industry leader in enhanced oil recovery, reservoir characterization and simulation, coalbed methane, production, and exploration…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 130 contacts → | ||||
Exact match “TACROM SERVICES, founded in 2006, is a well-known player in the energy sector, specializing in both oilfield and geothermal services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 127 contacts → | ||||
Exact match “Bilgi birikimini yatırıma ve tasarrufa dönüştürmek için çalışmalarını 1990 yılından bu yana sürdüren Doğan Jeotermal Group ülkemizin sahip olduğu jeotermal enerji kaynaklarını…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 118 contacts → | ||||
Exact match “KS Orka Renewables is one of the most ambitious geothermal developers in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 117 contacts → | ||||
Exact match “GeoSoftware is the global trusted partner for subsurface geoscience software and consulting services.” Recorded in the RevenueBase company graph · Nov 6, 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 engineers”. 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 1,956 geothermal reservoir engineers worldwide
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Geothermal reservoir engineers worldwide at a glance
As of Nov 6, 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 geothermal reservoir engineers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “geothermal reservoir engineers” 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 22,979 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Geothermal reservoir engineers by location
13 lists · largest firstEvery Geothermal reservoir engineers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Geothermal reservoir engineers based in the United States320
- Geothermal reservoir engineers based in Canada115
- Geothermal reservoir engineers based in the United Kingdom109
- Geothermal reservoir engineers based in Germany91
- Geothermal reservoir engineers based in Brazil81
- Geothermal reservoir engineers based in Australia79
- Geothermal reservoir engineers based in France75
- Geothermal reservoir engineers based in Italy54
- Geothermal reservoir engineers based in Indonesia51
- Geothermal reservoir engineers based in the Netherlands39
- Geothermal reservoir engineers based in Switzerland38
Cities
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “geothermal reservoir engineers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many geothermal reservoir engineers are there worldwide?
RevenueBase identified 1,956 company matches for geothermal reservoir engineers worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Halliburton tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most geothermal reservoir engineers?
The United States leads with 320 companies, followed by Canada (115) and the United Kingdom (109). Every geothermal reservoir engineers list by country and city is linked on this page.
Which city has the most geothermal reservoir engineers?
Houston leads with 74 company records, followed by Calgary (65) and London (22).
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 22,979 professional contacts with verified work emails tracked across these 1,956 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,956 geothermal reservoir engineers 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 geothermal reservoir engineers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,956 matching company records for geothermal reservoir engineers worldwide, with 83,187 tracked contacts and 22,979 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: November 6, 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 geothermal reservoir engineers 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 |  Halliburtonhalliburton.comHQ: Houston, United StatesReported employees: 10001+ | Houston, United States | 10001+ | Exact match | 58,281 contacts → |
“We collaborate and engineer solutions to maximize asset value for our customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Core Laboratoriescorelab.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,601 contacts → |
“With over 70 offices in more than 50 countries located in major oil-producing provinces, Core Laboratories provides services to the world's major, national, and independent oil…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  PT Pertamina Drilling Services Indonesiapdsi.pertamina.comHQ: South Jakarta, IndonesiaReported employees: 1,001-5,000 | South Jakarta, Indonesia | 1,001-5,000 | Exact match | 1,344 contacts → |
“PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ormat Technologies, INCormat.comHQ: Reno, NV, United StatesReported employees: 1,001-5,000 | Reno, NV, United States | 1,001-5,000 | Exact match | 1,328 contacts → |
“Clean, reliable energy solutions provided by geothermal power, recovered energy, and energy storage solutions are our expertise, commitment, and focus.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Excellence Loggingexlog.comHQ: London W2 2es, United KingdomReported employees: 1,001-5,000 | London W2 2es, United Kingdom | 1,001-5,000 | Exact match | 866 contacts → |
“Excellence Logging is an established energy services provider focused on optimizing well performance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  AGRagr.comHQ: Oslo, NorwayReported employees: 501-1,000 | Oslo, Norway | 501-1,000 | Exact match | 837 contacts → |
“AGR – an Aqualis company – is a multidisciplinary consultancy, specialising in drilling & wells, subsurface, marine and subsea solutions, resourcing, technical safety and software…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Seequentseequent.comHQ: Christchurch, New ZealandReported employees: 501-1,000 | Christchurch, New Zealand | 501-1,000 | Exact match | 780 contacts → |
“Seequent, The Bentley Subsurface Company, helps organisations to understand the underground, giving them the confidence to make better decisions faster.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  ARGASargas.comHQ: 4204 King Fahd Road, Saudi ArabiaReported employees: 1,001-5,000 | 4204 King Fahd Road, Saudi Arabia | 1,001-5,000 | Exact match | 594 contacts → |
“ARGAS, since its inception in 1966, was focused on developing Geological and Geophysical field solutions to further explore the earth’s Natural Resources.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Constructora Y Perforadora Latina, S.A. DE C.Vcplatina.comHQ: MexicoReported employees: 201-500 | Mexico | 201-500 | Exact match | 471 contacts → |
“Constructora y Perforadora LATINA (“LATINA”) Es una empresa privada con mas de 60 años de experiencia en el sector de energía y actualmente es la principal empresa en…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Asian Energy Services Limitedasianenergy.comHQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 353 contacts → |
“ASIAN is a reservoir imaging company, offering a suite of geophysical services specializing in land and well seismic services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Geofizyka Torun S.Agtservices.plHQ: Toruń, PolandReported employees: 1,001-5,000 | Toruń, Poland | 1,001-5,000 | Exact match | 347 contacts → |
“We deliver innovative geophysical, geological and geotechnical solutions for energy sector as well as renewable energy in Poland and worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  BVP Geotecnia E Hidrotecniabvp.eng.brHQ: Belo Horizonte, BrazilReported employees: 201-500 | Belo Horizonte, Brazil | 201-500 | Exact match | 328 contacts → |
“Somos a BVP Geotecnia e Hidrotecnia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Fervo Energyfervoenergy.comHQ: Houston, CA, United StatesReported employees: 51-200 | Houston, CA, United States | 51-200 | Exact match | 285 contacts → |
“Fervo Energy provides 24/7 carbon-free energy through the development of next-generation geothermal power.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Degolyer And Macnaughtondemac.comHQ: Dallas, United StatesReported employees: 201-500 | Dallas, United States | 201-500 | Exact match | 284 contacts → |
“Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Thermaprime Drilling Corporationthermaprime.comHQ: Pasig, PhilippinesReported employees: 501-1,000 | Pasig, Philippines | 501-1,000 | Exact match | 279 contacts → |
“Thermaprime Drilling Corporation Geothermal, Oil & Gas Drilling BASIC SERVICES Well Construction Management • Drilling of geothermal wells • Drilling of onshore oil and gas wells…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Beicip-Franlabbeicip.comHQ: Rueil-malmaison, FranceReported employees: 51-200 | Rueil-malmaison, France | 51-200 | Exact match | 230 contacts → |
“Beicip-Franlab is a leading Energy Consultancy and Software Editor created in the 1960's with recognized worldwide hands-on expertise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Marriott Drilling Groupmarriottdrilling.comHQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 206 contacts → |
“Marriott Drilling Group is the UK’s only remaining truly independent land Drilling Specialist, trusted for over 75 years to deliver safe, efficient and technically robust drilling…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  EPI Groupepigroup.comHQ: Fleet, United KingdomReported employees: 11-50 | Fleet, United Kingdom | 11-50 | Exact match | 142 contacts → |
“EPI Group is a leading provider of specialist geoscience, QHSE, environmental and technical services for the energy industry worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Iceland Drilling Company LTDjardboranir.isHQ: IcelandReported employees: 51-200 | Iceland | 51-200 | Exact match | 137 contacts → |
“ABOUT http://iceland-drilling.com/ Iceland Drilling Ltd is a leading high technical company in the field of high temperature geothermal drilling and has many decades of experience…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Mannvitmannvit.comHQ: Kopavogur, IcelandReported employees: 201-500 | Kopavogur, Iceland | 201-500 | Exact match | 136 contacts → |
“Mannvit, is now part of COWI.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Petrotelpetrotel.comHQ: Plano, United StatesReported employees: 51-200 | Plano, United States | 51-200 | Exact match | 133 contacts → |
“PetroTel is recognized worldwide as an industry leader in enhanced oil recovery, reservoir characterization and simulation, coalbed methane, production, and exploration…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Tacrom Servicestacrom.comHQ: Ploieşti, RomaniaReported employees: 51-200 | Ploieşti, Romania | 51-200 | Exact match | 130 contacts → |
“TACROM SERVICES, founded in 2006, is a well-known player in the energy sector, specializing in both oilfield and geothermal services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Doğan Jeotermal Groupdoganjeotermal.com.trHQ: Ankara, TürkiyeReported employees: 1,001-5,000 | Ankara, Türkiye | 1,001-5,000 | Exact match | 127 contacts → |
“Bilgi birikimini yatırıma ve tasarrufa dönüştürmek için çalışmalarını 1990 yılından bu yana sürdüren Doğan Jeotermal Group ülkemizin sahip olduğu jeotermal enerji kaynaklarını…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  KS Orka Renewables Pte. LTDksorka.comHQ: South Jakarta, SingaporeReported employees: 201-500 | South Jakarta, Singapore | 201-500 | Exact match | 118 contacts → |
“KS Orka Renewables is one of the most ambitious geothermal developers in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Geosoftwaregeosoftware.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 117 contacts → |
“GeoSoftware is the global trusted partner for subsurface geoscience software and consulting services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,956 company matches
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Geothermal reservoir engineers: dataset insights
November 6, 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
1,937 records in the displayed employee bands.
19 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 1,956 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: November 6, 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 ↗
Geothermal reservoir engineers by location
13 lists · largest firstEvery Geothermal reservoir engineers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Geothermal reservoir engineers based in the United States320
- Geothermal reservoir engineers based in Canada115
- Geothermal reservoir engineers based in the United Kingdom109
- Geothermal reservoir engineers based in Germany91
- Geothermal reservoir engineers based in Brazil81
- Geothermal reservoir engineers based in Australia79
- Geothermal reservoir engineers based in France75
- Geothermal reservoir engineers based in Italy54
- Geothermal reservoir engineers based in Indonesia51
- Geothermal reservoir engineers based in the Netherlands39
- Geothermal reservoir engineers based in Switzerland38
Cities
Questions about this company list
What does Exact match mean for geothermal reservoir engineers?
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 engineers did RevenueBase find worldwide?
The saved snapshot records 1,956 matching company records, 83,187 tracked contacts and 22,979 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: November 6, 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 25 geothermal reservoir engineers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/geothermal-reservoir-engineers.
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 geothermal reservoir engineers worldwide
RevenueBase records 1,956 matching company records for geothermal reservoir engineers worldwide, with 83,187 tracked contacts and 22,979 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: November 6, 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 geothermal reservoir engineers 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 | Halliburtonhalliburton.com HQ: Houston, United StatesReported employees: 10001+ | Houston, United States | 10001+ | Exact match | 58,281 contacts → |
“We collaborate and engineer solutions to maximize asset value for our customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Core Laboratoriescorelab.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,601 contacts → |
“With over 70 offices in more than 50 countries located in major oil-producing provinces, Core Laboratories provides services to the world's major, national, and independent oil…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 | 1,344 contacts → |
“PT Pertamina Drilling Services Indonesia (Pertamina Drilling) was established on June 13th, 2008.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ormat Technologies, INCormat.com HQ: Reno, NV, United StatesReported employees: 1,001-5,000 | Reno, NV, United States | 1,001-5,000 | Exact match | 1,328 contacts → |
“Clean, reliable energy solutions provided by geothermal power, recovered energy, and energy storage solutions are our expertise, commitment, and focus.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Excellence Loggingexlog.com HQ: London W2 2es, United KingdomReported employees: 1,001-5,000 | London W2 2es, United Kingdom | 1,001-5,000 | Exact match | 866 contacts → |
“Excellence Logging is an established energy services provider focused on optimizing well performance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | AGRagr.com HQ: Oslo, NorwayReported employees: 501-1,000 | Oslo, Norway | 501-1,000 | Exact match | 837 contacts → |
“AGR – an Aqualis company – is a multidisciplinary consultancy, specialising in drilling & wells, subsurface, marine and subsea solutions, resourcing, technical safety and software…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Seequentseequent.com HQ: Christchurch, New ZealandReported employees: 501-1,000 | Christchurch, New Zealand | 501-1,000 | Exact match | 780 contacts → |
“Seequent, The Bentley Subsurface Company, helps organisations to understand the underground, giving them the confidence to make better decisions faster.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | ARGASargas.com HQ: 4204 King Fahd Road, Saudi ArabiaReported employees: 1,001-5,000 | 4204 King Fahd Road, Saudi Arabia | 1,001-5,000 | Exact match | 594 contacts → |
“ARGAS, since its inception in 1966, was focused on developing Geological and Geophysical field solutions to further explore the earth’s Natural Resources.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Constructora Y Perforadora Latina, S.A. DE C.Vcplatina.com HQ: MexicoReported employees: 201-500 | Mexico | 201-500 | Exact match | 471 contacts → |
“Constructora y Perforadora LATINA (“LATINA”) Es una empresa privada con mas de 60 años de experiencia en el sector de energía y actualmente es la principal empresa en…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Asian Energy Services Limitedasianenergy.com HQ: Mumbai, IndiaReported employees: 51-200 | Mumbai, India | 51-200 | Exact match | 353 contacts → |
“ASIAN is a reservoir imaging company, offering a suite of geophysical services specializing in land and well seismic services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Geofizyka Torun S.Agtservices.pl HQ: Toruń, PolandReported employees: 1,001-5,000 | Toruń, Poland | 1,001-5,000 | Exact match | 347 contacts → |
“We deliver innovative geophysical, geological and geotechnical solutions for energy sector as well as renewable energy in Poland and worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | BVP Geotecnia E Hidrotecniabvp.eng.br HQ: Belo Horizonte, BrazilReported employees: 201-500 | Belo Horizonte, Brazil | 201-500 | Exact match | 328 contacts → |
“Somos a BVP Geotecnia e Hidrotecnia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Fervo Energyfervoenergy.com HQ: Houston, CA, United StatesReported employees: 51-200 | Houston, CA, United States | 51-200 | Exact match | 285 contacts → |
“Fervo Energy provides 24/7 carbon-free energy through the development of next-generation geothermal power.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Degolyer And Macnaughtondemac.com HQ: Dallas, United StatesReported employees: 201-500 | Dallas, United States | 201-500 | Exact match | 284 contacts → |
“Reserves assessments and appraisals • Prospective resources assessments • Unconventional resources assessments • Contingent resources assessments • Reservoir simulation •…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Thermaprime Drilling Corporationthermaprime.com HQ: Pasig, PhilippinesReported employees: 501-1,000 | Pasig, Philippines | 501-1,000 | Exact match | 279 contacts → |
“Thermaprime Drilling Corporation Geothermal, Oil & Gas Drilling BASIC SERVICES Well Construction Management • Drilling of geothermal wells • Drilling of onshore oil and gas wells…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Beicip-Franlabbeicip.com HQ: Rueil-malmaison, FranceReported employees: 51-200 | Rueil-malmaison, France | 51-200 | Exact match | 230 contacts → |
“Beicip-Franlab is a leading Energy Consultancy and Software Editor created in the 1960's with recognized worldwide hands-on expertise.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Marriott Drilling Groupmarriottdrilling.com HQ: United StatesReported employees: 201-500 | United States | 201-500 | Exact match | 206 contacts → |
“Marriott Drilling Group is the UK’s only remaining truly independent land Drilling Specialist, trusted for over 75 years to deliver safe, efficient and technically robust drilling…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | EPI Groupepigroup.com HQ: Fleet, United KingdomReported employees: 11-50 | Fleet, United Kingdom | 11-50 | Exact match | 142 contacts → |
“EPI Group is a leading provider of specialist geoscience, QHSE, environmental and technical services for the energy industry worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Iceland Drilling Company LTDjardboranir.is HQ: IcelandReported employees: 51-200 | Iceland | 51-200 | Exact match | 137 contacts → |
“ABOUT http://iceland-drilling.com/ Iceland Drilling Ltd is a leading high technical company in the field of high temperature geothermal drilling and has many decades of experience…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Mannvitmannvit.com HQ: Kopavogur, IcelandReported employees: 201-500 | Kopavogur, Iceland | 201-500 | Exact match | 136 contacts → |
“Mannvit, is now part of COWI.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Petrotelpetrotel.com HQ: Plano, United StatesReported employees: 51-200 | Plano, United States | 51-200 | Exact match | 133 contacts → |
“PetroTel is recognized worldwide as an industry leader in enhanced oil recovery, reservoir characterization and simulation, coalbed methane, production, and exploration…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Tacrom Servicestacrom.com HQ: Ploieşti, RomaniaReported employees: 51-200 | Ploieşti, Romania | 51-200 | Exact match | 130 contacts → |
“TACROM SERVICES, founded in 2006, is a well-known player in the energy sector, specializing in both oilfield and geothermal services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Doğan Jeotermal Groupdoganjeotermal.com.tr HQ: Ankara, TürkiyeReported employees: 1,001-5,000 | Ankara, Türkiye | 1,001-5,000 | Exact match | 127 contacts → |
“Bilgi birikimini yatırıma ve tasarrufa dönüştürmek için çalışmalarını 1990 yılından bu yana sürdüren Doğan Jeotermal Group ülkemizin sahip olduğu jeotermal enerji kaynaklarını…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | KS Orka Renewables Pte. LTDksorka.com HQ: South Jakarta, SingaporeReported employees: 201-500 | South Jakarta, Singapore | 201-500 | Exact match | 118 contacts → |
“KS Orka Renewables is one of the most ambitious geothermal developers in the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Geosoftwaregeosoftware.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 117 contacts → |
“GeoSoftware is the global trusted partner for subsurface geoscience software and consulting services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Geothermal reservoir engineers: dataset insights
November 6, 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
1,937 records in the displayed employee bands.
19 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 1,956 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: November 6, 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 ↗
Geothermal reservoir engineers by location
13 lists · largest firstEvery Geothermal reservoir engineers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Geothermal reservoir engineers based in the United States320
- Geothermal reservoir engineers based in Canada115
- Geothermal reservoir engineers based in the United Kingdom109
- Geothermal reservoir engineers based in Germany91
- Geothermal reservoir engineers based in Brazil81
- Geothermal reservoir engineers based in Australia79
- Geothermal reservoir engineers based in France75
- Geothermal reservoir engineers based in Italy54
- Geothermal reservoir engineers based in Indonesia51
- Geothermal reservoir engineers based in the Netherlands39
- Geothermal reservoir engineers based in Switzerland38
Cities
Questions about this company list
What does Exact match mean for geothermal reservoir engineers?
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 engineers did RevenueBase find worldwide?
The saved snapshot records 1,956 matching company records, 83,187 tracked contacts and 22,979 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: November 6, 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 geothermal reservoir engineers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/geothermal-reservoir-engineers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗