Company lists · Data refreshed November 2026

Top 22 Ground loop installation contractors based in the United States

RevenueBase identified 60 company matches for ground loop installation contractors associated with the United States as of November 2026 and tracks 478 professional contacts across them, including 185 with verified work emails. Duncannon is the largest hub.

This list covers company matches for ground loop installation contractors 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 November 6, 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 Nov 6, 2026 How this list was built
60Companies
478Contacts tracked
185Verified emails
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The 22 largest ground loop installation contractors based in the United States

Ranked by team size
Top 22 of 60 company matches for ground loop installation contractors based in the United States, 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 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
2Exact 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
3Exact matchLaurel, PA, United StatesHQ recorded Nov 6, 202651-20055 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 · Nov 6, 2026 · View company records in RevenueBase
4Exact matchGrand Rapids, MI, United StatesHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Geothermal Systems are becoming a critical component in the effort to make buildings more environmentally friendly.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchGreensboro, VA, United StatesHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“As contractors for the Lightning Protection Institute and as a UL listed installation company, our firm works with some incredible electrical and general contractors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBaltimore, MD, United StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“In the 30 years of operation, Chesapeake Geosystems has earned a reputation as a geothermal contracting firm that delivers projects on time and on budget.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBallston Spa, NY, United StatesHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Aztech Geothermal, LLC offers a comprehensive solution for renewable geothermal heating and cooling systems in residential and commercial buildings with recognized expertise in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchIndianapolis, IN, United StatesHQ recorded Nov 6, 202611-508 contacts →

Exact match

“Indiana Geothermal provides geothermal products, custom system designs and hundreds of earth loop installations each year.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchRedmond, WA, United StatesHQ recorded Nov 6, 202651-2008 contacts →

Exact match

“GeoTility has been designing, installing, and servicing heating and cooling systems for more than 30 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchDepew, United StatesHQ recorded Nov 6, 202651-2007 contacts →

Exact match

“Since 1957, Capital Heat, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLincoln, NE, United StatesHQ recorded Nov 6, 202611-507 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBethlehem, CT, United StatesHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Founded in the mid-1960s, Connecticut Wells has grown from a single-rig water well contractor into a state-of-the-art geothermal well drilling operation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSandy, UT, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“With over 300 years of combined experience shaping the geothermal industry, we work with developers, campuses, and communities to build Thermal Energy Networks that deliver…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHoneoye Falls, NY, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Your Geothermal Experts Since 2009 Transforming energy solutions in Western New York.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchOrlando, FL, United StatesHQ recorded Nov 6, 202611-506 contacts →

Exact match

“McLean Lighting Protection is a full Lightning Protection and Grounding System Company with over 40 years of staff and Installation services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSanger, TX, United StatesHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Founded in 1984, LoopTech specializes in clean energy solutions through the installation of vertical closed loop heat exchangers for ground source heat pumps.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchFox Lake, WI, United StatesHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Sales and Installation of the in-ground looping for geothermal heating/cooling systems-A geothermal heat pump system is a refrigeration device that utilizes a ground loop and the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPortland, OR, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Geothermal heat pumps (GHPs) use the only renewable energy resource that is available onsite, at every commercial and residential building no matter the size.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHermosa Beach, CA, United StatesHQ recorded Nov 6, 20261-103 contacts →

Exact match

“We are the experts in electrical grounding design and specialize in providing electrical grounding services and earthing services in North America.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchFairfax, VA, United StatesHQ recorded Nov 6, 20261-103 contacts →

Exact match

“We're proud to be a full-service provider of WaterFurnace geothermal products for the VA-MD-DC area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchGoodfield, IL, United StatesHQ recorded Nov 6, 202611-503 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchDecorah, IA, United StatesHQ recorded Nov 6, 20261-101 contacts →

Exact match

“GEO is a progressive, quality-conscious geothermal driller and installer of all types of geothermal loops, specializing in the drilling and installation of geothermal loops for…”

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

Showing 22 of 60 ground loop installation contractors based in the United States

See the full list, filter by size, metro and specialty, and access 185 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ground loop installation contractors based in the United States at a glance

As of Nov 6, 2026
38.7%Verified-email coverage
8.0Average contacts per company
11-50Median size (employees)
3.3%Largest-city concentration · Duncannon
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
26
11-50
27
51-200
7

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 60 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 “ground loop installation contractors” 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 185 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.

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 “ground loop installation contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ground loop installation contractors are there based in the United States?

RevenueBase identified 60 company matches for ground loop installation contractors associated with the United States 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?

Dandelion Energy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most ground loop installation contractors?

Duncannon leads with 2 company records, followed by Simla (2) and Ballston Spa (1).

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 185 professional contacts with verified work emails tracked across these 60 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.