Company lists · Data refreshed November 2026

Top 25 Geothermal energy engineering services worldwide

Name: Geothermal energy engineering services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 6,169 companies tracked

RevenueBase identified 6,169 company matches for geothermal energy engineering services worldwide as of November 2026 and tracks 63,788 professional contacts across them, including 16,948 with verified work emails. The United States is the largest market and Ankara the largest hub.

This list covers company matches for geothermal energy engineering services 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 energy engineering services 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built

6,169Companies

63,788Contacts tracked

16,948Verified emails

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The 25 largest geothermal energy engineering services worldwide

Ranked by team size

Top 25 of 6,169 company matches for geothermal energy engineering services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Enercon Services, INC	Exact match	Kennesaw, PA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,022 contacts →
	Exact match “ENERCON is a multi-discipline engineering and environmental engineering support services firm focused on delivering safe and efficient solutions for the power, data center and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Elsewedy Electric Power Systems Projects	Exact match	Cairo, EgyptHQ recorded Nov 6, 2026	1,001-5,000	1,529 contacts →
	Exact match “An integrated energy solutions -design and build- provider specialized in Power Generation, Water Treatment and Hydropower while currently diversifying our business segments to…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	PT Pertamina Drilling Services Indonesia	Exact match	South Jakarta, IndonesiaHQ recorded Nov 6, 2026	1,001-5,000	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	Ormat Technologies, INC	Exact match	Reno, NV, United StatesHQ recorded Nov 6, 2026	1,001-5,000	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	Sepcoiii Electric Power Construction Co., LTD	Exact match	Dubai, United Arab EmiratesHQ recorded Nov 6, 2026	10001+	1,159 contacts →
	Exact match “Electrical Power Construction Co, Ltd.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	AGR	Exact match	Oslo, NorwayHQ recorded Nov 6, 2026	501-1,000	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	CME	Exact match	Oeiras, PortugalHQ recorded Nov 6, 2026	1,001-5,000	772 contacts →
	Exact match “Engineering Service Provider / Contractor on Telecom, IT, GIS, Electricity, Renewable Energy, Energy Generation, Hydraulic Facilities, Gas, Pipeline, Industrial installations…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	PT GEO Dipa Energi Persero	Exact match	Jakarta Selatan, IndonesiaHQ recorded Nov 6, 2026	201-500	591 contacts →
	Exact match “PT Geo Dipa Energi (Persero) is a State-Owned Company specializing in Geothermal Energy” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	RRC Companies	Exact match	Round Rock, NM, United StatesHQ recorded Nov 6, 2026	201-500	564 contacts →
	Exact match “RRC is a top-tier designer of utility-scale wind, solar, energy storage, data center, and oil & gas projects in the US and select international markets.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	GEO	Exact match	Kgs. Lyngby (copenhagen), DenmarkHQ recorded Nov 6, 2026	201-500	497 contacts →
	Exact match “Founded in 1943, Geo is a market leading engineering consultancy company and contractor, specialised within the fields of geotechnical and environmental engineering (geoteknik og…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Groupe Coriance	Exact match	Noisy-le-grand, FranceHQ recorded Nov 6, 2026	501-1,000	491 contacts →
	Exact match “Pour une énergie propre et mieux utilisée Notre mission : fournir des solutions énergétiques performantes et économiques, tout en minimisant l'impact environnemental.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Constructora Y Perforadora Latina, S.A. DE C.V	Exact match	MexicoHQ recorded Nov 6, 2026	201-500	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
13	Equinox Engineering LTD	Exact match	Calgary, TX, CanadaHQ recorded Nov 6, 2026	501-1,000	434 contacts →
	Exact match “Our vision is to lead the industry in quality and create a company where exceptional people thrive.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	BM Energia	Exact match	Fortaleza, BrazilHQ recorded Nov 6, 2026	1,001-5,000	425 contacts →
	Exact match “Somos uma empresa de engenharia, especializada em infraestrutura para o setor de energia renovável, tendo executado diversos parques eólicos e solares de médio e grande porte.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Iplan Gestión Integral	Exact match	Barcelona, SpainHQ recorded Nov 6, 2026	501-1,000	405 contacts →
	Exact match “Iplan is a company related to the engineering services of projects developed mainly in the energy sector, civil works, renewable energies and environment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Doris Group	Exact match	Paris, FranceHQ recorded Nov 6, 2026	501-1,000	380 contacts →
	Exact match “DORIS is a leader in the provision of engineering, advisory, and project management services to the energy industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Fugro Suhaimi Company LTD	Exact match	Dammam, Saudi ArabiaHQ recorded Nov 6, 2026	501-1,000	376 contacts →
	Exact match “We are the world’s leading Geo-data specialist, collecting and analysing comprehensive information about the Earth and the structures built upon it.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	NEI Electric Power Engineering, INC	Exact match	Lakewood, CO, United StatesHQ recorded Nov 6, 2026	201-500	370 contacts →
	Exact match “NEI provides professional expertise and design engineering services for all aspects of power systems engineering.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Anddes	Exact match	Santiago De Surco, PeruHQ recorded Nov 6, 2026	201-500	369 contacts →
	Exact match “En Anddes nos especializamos en brindar servicios de asesoría y consultoría para el desarrollo y supervisión de proyectos ambientales, electromecánicos, civiles y de construcción…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Petroseismic Services S.A	Exact match	Bogota, ColombiaHQ recorded Nov 6, 2026	501-1,000	363 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Geofizyka Torun S.A	Exact match	Toruń, PolandHQ recorded Nov 6, 2026	1,001-5,000	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
22	Intec Energy Solutions	Exact match	London, United KingdomHQ recorded Nov 6, 2026	501-1,000	290 contacts →
	Exact match “INTEC Energy Solutions delivers best-in-class services in Engineering, Procurement, Construction (EPC), Battery Energy Storage Systems (BESS), Manufacturing, Project Development…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Fervo Energy	Exact match	Houston, CA, United StatesHQ recorded Nov 6, 2026	51-200	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
24	Illumine-I	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	201-500	282 contacts →
	Exact match “The world runs on power.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Sólida	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	201-500	280 contacts →
	Exact match “SÓLIDA, a Bureau Veritas Company, is an independent company founded in 2007 that provides high added-value engineering and consulting services within the renewable energy sector.” 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 energy engineering services”. 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 6,169 geothermal energy engineering services worldwide

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Geothermal energy engineering services worldwide at a glance

As of Nov 6, 2026

26.6%Verified-email coverage

10.3Average contacts per company

1-10Median size (employees)

0.7%Largest-city concentration · Ankara

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

3,550

11-50

1,913

51-200

468

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 energy engineering services are linked below.
What qualifies: Company records worldwide whose business descriptions match “geothermal energy engineering services” 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 16,948 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 energy engineering services by location

35 lists · largest first

Every Geothermal energy engineering services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 energy engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geothermal energy engineering services are there worldwide?

RevenueBase identified 6,169 company matches for geothermal energy engineering services 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?

Enercon Services, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most geothermal energy engineering services?

The United States leads with 615 companies, followed by Germany (402) and Italy (362). Every geothermal energy engineering services list by country and city is linked on this page.

Which city has the most geothermal energy engineering services?

Ankara leads with 45 company records, followed by Madrid (40) and Calgary (36).

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 16,948 professional contacts with verified work emails tracked across these 6,169 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.

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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.