Company lists · Data refreshed November 2026

Top 25 Geothermal control system manufacturers worldwide

RevenueBase identified 766 company matches for geothermal control system manufacturers worldwide as of November 2026 and tracks 11,223 professional contacts across them, including 3,610 with verified work emails. The United States is the largest market and Calgary the largest hub.

This list covers company matches for geothermal control system manufacturers 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 control system manufacturers 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
766Companies
11,223Contacts tracked
3,610Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest geothermal control system manufacturers worldwide

Ranked by team size
Top 25 of 766 company matches for geothermal control system manufacturers 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchReno, NV, United StatesHQ recorded Nov 6, 20261,001-5,0001,328 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
2Exact matchNashik, IndiaHQ recorded Nov 6, 20261,001-5,000517 contacts →

Exact match

“Rishabh Group is a global technology leader shaping the future of industrial automation, energy efficiency, and precision measurement.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 2026501-1,000484 contacts →

Exact match

“1969 yılında faaliyetlerine başlayan ve 2013 yılı itibarıyla iklimlendirme sektöründe Avrupa’nın ilk üç şirketi arasında yer alan BDR Thermea Group bünyesine katılan Baymak…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAyer, MA, United StatesHQ recorded Nov 6, 2026201-500364 contacts →

Exact match

“AMSC (NASDAQ: AMSC) generates the ideas, technologies and solutions that meet the world’s demand for smarter, cleaner … better energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchFort Wayne, IN, United StatesHQ recorded Nov 6, 2026201-500229 contacts →

Exact match

“WaterFurnace International, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSønderborg, DenmarkHQ recorded Nov 6, 202651-200199 contacts →

Exact match

“For over half a century, OJ Electronics has specialized in designing and developing electronic HVAC controls and drives and thermostats for electric underfloor heating systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCentennial, AK, United StatesHQ recorded Nov 6, 2026201-500195 contacts →

Exact match

“Applied Control comes alongside you as a partner who understands your plant, your processes, and the pressure you face to deliver performance without interruption.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchVinay, FranceHQ recorded Nov 6, 2026201-500183 contacts →

Exact match

“COTHERM is an industrial group founded in 1948 in Grenoble (France), resolutely turned towards its customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchFolsom, CA, United StatesHQ recorded Nov 6, 202651-200169 contacts →

Exact match

“Follow us to discover company developments, our energy clients' successes and employment opportunities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchGebze, TürkiyeHQ recorded Nov 6, 2026201-500164 contacts →

Exact match

“EGESIM, founded in 1994, is an energy solutions company focused on industrial electrical and automation systems and EPC (engineering, procurement and construction) of geothermal…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchWetzlar, GermanyHQ recorded Nov 6, 20261,001-5,000147 contacts →

Exact match

“Die Marke Buderus ist Teil der Bosch Thermotechnik GmbH und steht seit 1731 für Spitzenprodukte im Bereich Heizsysteme Ob regenerativ oder klassisch betrieben – unsere Heizsysteme…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMount Kisco, NY, United StatesHQ recorded Nov 6, 202651-200124 contacts →

Exact match

“Dandelion Energy is the nation’s leading residential geothermal provider, on a mission to make the world’s most efficient heating and cooling technology accessible to everyone.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchLjungby, SwedenHQ recorded Nov 6, 2026201-500120 contacts →

Exact match

“CTC är en av Europas ledande tillverkare av värmeprodukter.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchArmonk, NY, United StatesHQ recorded Nov 6, 202651-200111 contacts →

Exact match

“Brightcore Energy is a leading renewable energy solutions provider serving commercial, institutional, and government clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAthens, GreeceHQ recorded Nov 6, 2026201-500107 contacts →

Exact match

“SYCHEM S.A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSalzgitter, GermanyHQ recorded Nov 6, 202651-200102 contacts →

Exact match

“Imprint: Möhlenhoff GmbH is one of the most innovative companies in the heating, ventilation and air conditioning industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchGranollers, SpainHQ recorded Nov 6, 202651-200102 contacts →

Exact match

“Fundada en el año 2010, Gia Group es una compañía española líder en ventas con presencia a nivel mundial.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchForlì, ItalyHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“Da oltre 40 anni, Fiorini Industries opera nel mercato HVAC & R (Heating Ventilation Air Conditioning & Refrigeration) proponendo a progettisti e costruttori una gamma di prodotti…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchGrindavík, IcelandHQ recorded Nov 6, 202651-20077 contacts →

Exact match

“HS Orka is the largest privately owned power company in Iceland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchParis, FranceHQ recorded Nov 6, 202651-20076 contacts →

Exact match

“Elum Energy is an energy & automation company providing ePowerControl technology : an Energy Management Systems (EMS) for renewable energy, storage, generators and other…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchGreenville, IL, United StatesHQ recorded Nov 6, 202651-20076 contacts →

Exact match

“Enertech Global is a leading manufacturer and visionary in the geothermal heating and cooling industry.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSchroeder, BrazilHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“A ERZEG é referência consolidada no mercado de geração e controle de energia, destacando-se por sua expertise em automação e integração de sistemas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchErrezil, SpainHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“Since 1976 we are dedicated to the production and sale of products aimed at the hvac and comfort.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchVernon, BC, CanadaHQ recorded Nov 6, 20265,001-10,00056 contacts →

Exact match

“tekmar Control Systems is a Watts Water Technologies Company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchNew Brighton, MN, United StatesHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“Darcy Solutions is on a mission to put Geothermal Everywhere.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 766 geothermal control system manufacturers worldwide

See the full list, filter by size, metro and specialty, and access 3,610 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Geothermal control system manufacturers worldwide at a glance

As of Nov 6, 2026
32.2%Verified-email coverage
14.7Average contacts per company
11-50Median size (employees)
0.9%Largest-city concentration · Calgary
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
336
11-50
287
51-200
88
201-500
22
501-1,000
7
1,001-5,000
4
5,001-10,000
1
10001+
2

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 control system manufacturers are linked below.
What qualifies
Company records worldwide whose business descriptions match “geothermal control system manufacturers” 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 3,610 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 control system manufacturers by location

7 lists · largest first

Every Geothermal control system manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 control system manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geothermal control system manufacturers are there worldwide?

RevenueBase identified 766 company matches for geothermal control system manufacturers 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?

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

Which country has the most geothermal control system manufacturers?

The United States leads with 141 companies, followed by Germany (52) and Spain (43). Every geothermal control system manufacturers list by country and city is linked on this page.

Which city has the most geothermal control system manufacturers?

Calgary leads with 7 company records, followed by Houston (7) and Madrid (7).

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 3,610 professional contacts with verified work emails tracked across these 766 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 766 geothermal control system manufacturers worldwide. Start with a free account, no credit card.

Download this list →

Related lists

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.