Company lists · Data refreshed September 2026

Top 25 Geothermal heating financing companies based in the United States

RevenueBase identified 410 company matches for geothermal heating financing companies associated with the United States as of September 2026 and tracks 7,796 professional contacts across them, including 3,600 with verified work emails. Houston is the largest hub.

This list covers company matches for geothermal heating financing companies associated with the United States, 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 20, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built
410Companies
7,796Contacts tracked
3,600Verified emails
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The 25 largest geothermal heating financing companies based in the United States

Ranked by team size
Top 25 of 410 company matches for geothermal heating financing companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 Sep 20, 20261,001-5,0001,281 contacts →

Exact match

“With over five decades of experience, Ormat Technologies, Inc.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchRoseville, CA, United StatesHQ recorded Sep 20, 2026501-1,0001,143 contacts →

Exact match

“GoodLeap is a technology company delivering best-in-class financing and software products for sustainable solutions, from solar panels and batteries to energy-efficient HVAC, heat…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchCharlotte, NC, United StatesHQ recorded Sep 20, 2026201-500539 contacts →

Exact match

“Palmetto is a leading clean tech company on a mission to accelerate the transition to a clean energy future.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchEl Cajon, CA, United StatesHQ recorded Sep 20, 2026501-1,000337 contacts →

Exact match

“Ranked #1 in Solar + Battery Installation in America by "Solar Power World" Go Solar American Style!#1 Veteran Owned Solar Company in California Solar Panels.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchHouston, CA, United StatesHQ recorded Sep 20, 202651-200213 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 · Sep 20, 2026 · View company records in RevenueBase
6Exact matchOakland, CA, United StatesHQ recorded Sep 20, 202651-200184 contacts →

Exact match

“Renew Financial pioneered the residential Property Assessed Clean Energy (PACE) program, an innovative financing solution that helps homeowners invest in energy efficiency, water…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchJuno Beach, FL, United StatesHQ recorded Sep 20, 2026201-500173 contacts →

Exact match

“EverBright is a new residential solar financing provider, dramatically simplifying the process with faster, more flexible, more affordable options for homeowners and the strength…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchBrooklyn, NY, United StatesHQ recorded Sep 20, 2026201-500164 contacts →

Exact match

“Venture Solar is a solar panel installation company serving the Northeast.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchAlameda, CA, United StatesHQ recorded Sep 20, 202651-200145 contacts →

Exact match

“We're hiring!”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchMount Kisco, NY, United StatesHQ recorded Sep 20, 202651-200118 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 · Sep 20, 2026 · View company records in RevenueBase
11Exact matchPhoenix, AZ, United StatesHQ recorded Sep 20, 202651-200118 contacts →

Exact match

“Erus Energy helps building owners evaluate and finance investments in Solar Energy and other energy saving equipment.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchOakland, CA, United StatesHQ recorded Sep 20, 2026201-500113 contacts →

Exact match

“100% clean energy across America - that’s our vision.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchArmonk, NY, United StatesHQ recorded Sep 20, 202651-200108 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchRoswell, GA, United StatesHQ recorded Sep 20, 202651-20084 contacts →

Exact match

“Microf was established to accommodate the growing demand for more flexible options surrounding the replacement of a residential heating/cooling system.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchGreenville, IL, United StatesHQ recorded Sep 20, 202651-20081 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchHonolulu, HI, United StatesHQ recorded Sep 20, 202651-20077 contacts →

Exact match

“Locally owned and operated, RevoluSun is Hawaii's most trusted full-service provider of photovoltaic systems, battery storage and energy efficient home and commercial property…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 20, 202651-20069 contacts →

Exact match

“With over a decade of experience in the development of clean, efficient renewable energy facilities, Cyrq owns, operates and develops geothermal and solar energy-based power…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchHouston, MA, United StatesHQ recorded Sep 20, 202651-20062 contacts →

Exact match

“Quaise develops superhot geothermal power plants for a terawatt-scale world.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchRancho Cordova, CA, United StatesHQ recorded Sep 20, 202651-20053 contacts →

Exact match

“When you turn to us for your homes' energy efficient upgrade, you can take comfort in knowing you've made the right choice for your Plumbing, Electrical, Solar or Heating and Air…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchWillow Street, PA, United StatesHQ recorded Sep 20, 202651-20052 contacts →

Exact match

“JK Mechanical provides Smart Energy Solutions including Geothermal, Heating, Solar, Electrical, & More in Central Pennsylvania and Maryland.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchLaurel, MD, United StatesHQ recorded Sep 20, 202651-20052 contacts →

Exact match

“We at Allied Well Drilling are a full service commercial and residential gethermal heating/cooling system installer, specializing in vertically drilled closed loop systems.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchWaterbury, CT, United StatesHQ recorded Sep 20, 2026201-50049 contacts →

Exact match

“Formerly BantamWesson, Valiant Energy Solutions is an energy solutions provider that enables homeowners and organizations to achieve significant energy and cost savings.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchVernon Hills, IL, United StatesHQ recorded Sep 20, 202651-20049 contacts →

Exact match

“Tron Solar is a clean energy company dedicated to make the world we live in, livable for our future generations.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchBoston, MA, United StatesHQ recorded Sep 20, 202651-20048 contacts →

Exact match

“Team Sunshine is New England's Premier Solar Installation Company and has been helping New England Homeowners transition from fossil fuels to renewable energy since 2019.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchSan Diego, CA, United StatesHQ recorded Sep 20, 202651-20043 contacts →

Exact match

“At FortiFi, we make property upgrades easier and more affordable.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 410 geothermal heating financing companies based in the United States

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Geothermal heating financing companies based in the United States at a glance

As of Sep 20, 2026
46.2%Verified-email coverage
19.0Average contacts per company
11-50Median size (employees)
3.9%Largest-city concentration · Houston
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
192
11-50
154
51-200
44
201-500
13
501-1,000
2
1,001-5,000
3
5,001-10,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 410 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 the United States whose business descriptions match “geothermal heating financing companies” 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 3,600 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 20, 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 heating financing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many geothermal heating financing companies are there based in the United States?

RevenueBase identified 410 company matches for geothermal heating financing companies associated with the United States 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?

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

Which city has the most geothermal heating financing companies?

Houston leads with 16 company records, followed by Denver (8) and Austin (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 3,600 professional contacts with verified work emails tracked across these 410 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 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase 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.