Company lists · Data refreshed November 2026
Top 25 Geothermal contractors based in the United States
RevenueBase identified 6,674 company matches for geothermal contractors associated with the United States as of November 2026 and tracks 111,942 professional contacts across them, including 39,270 with verified work emails. Houston is the largest hub.
This list covers company matches for geothermal 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.
The 25 largest geothermal contractors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,633 contacts → | ||||
Exact match “Since 1934, owners and builders have selected ACCO Engineered Systems to design, install, and maintain more than mechanical projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,424 contacts → | ||||
Exact match “MacDonald-Miller Facility Solutions is a full-service, design-build mechanical contractor in the Pacific Northwest.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,407 contacts → | ||||
Exact match “Comfort Systems USA | Quality People.” 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 | 1,143 contacts → | ||||
Exact match “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 977 contacts → | ||||
Exact match “Wanzek Construction, Inc, a MasTec Renewables company, is a leading general construction contractor and clean energy services company headquartered in Fargo, North Dakota.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 794 contacts → | ||||
Exact match “WHC - A Surerus Murphy Company, is a privately held general contractor who provides construction services for renewable services, pipeline and related facilities to the oil and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 731 contacts → | ||||
Exact match “Established in 1963, Baker Group is Iowa’s premier full-service specialty contractor-serving commercial, industrial, institutional, and mission-critical markets across the country.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 727 contacts → | ||||
Exact match “Experienced commercial contractor specializing in renewable energy, electrical, and roofing projects for privately-owned buildings as well as state/local government buildings in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 679 contacts → | ||||
Exact match “Harder Mechanical is a nationally recognized contractor known for its strong safety culture, ability to meet demanding schedules, commitment to quality, and consistent delivery of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 632 contacts → | ||||
Exact match “Since 1923, Alterman has provided electrical construction on many of San Antonio and Austin's most impressive landmarks and contemporary structures.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 598 contacts → | ||||
Exact match “Per Colorado State Law Our CO Plumbing Contractor License Our Master Plumbing License is MP.03001288.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 547 contacts → | ||||
Exact match “ARB Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 535 contacts → | ||||
Exact match “JH Kelly is a fourth generation, family-owned construction company that provides HVAC and plumbing services to commercial facility owners and acts as a self-performing industrial…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 526 contacts → | ||||
Exact match “At Pieper Electric, Inc,"Our People Are Our Power" isn't just a phrase; it's our way of life.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 495 contacts → | ||||
Exact match “ENTACT is the partner of choice in solving our customer's most complex environmental remediation and geotechnical infrastructure challenges.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 491 contacts → | ||||
Exact match “Founded in 1973, Kinetics is a full-service process and mechanical contractor specializing in the design and installation of process, mechanical, plumbing and HVAC systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 475 contacts → | ||||
Exact match “IES Residential, Inc.(IESR) is one of the nation's largest and most respected providers of electrical, plumbing, and HVAC solutions, exclusively serving homebuilders who…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 472 contacts → | ||||
Exact match “Horizon Services is the premier heating, air conditioning, plumbing, drain cleaning and sewer services company in Delaware (New Castle County & Kent County), Pennsylvania…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 464 contacts → | ||||
Exact match “JMEG is a team of professionals who have been providing electrical construction services for over 35 years throughout the state of Texas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 444 contacts → | ||||
Exact match “The Romanoff Group of Companies has been dedicated to providing specialized electrical, plumbing, and heating and cooling services since 1992.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 420 contacts → | ||||
Exact match “We are powered by the best people in the industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 415 contacts → | ||||
Exact match “Strada Services is a full service electrical, security, and air conditioning contracting company servicing residential, commercial, and industrial customers in Florida and in the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 413 contacts → | ||||
Exact match “Hooper Corporation is your full-service electric power and mechanical contractor.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 401 contacts → | ||||
Exact match “DP Electric (DPE) has a long history as a dedicated trade partner.” 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 contractors”. 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 6,674 geothermal contractors based in the United States
See the full list, filter by size, metro and specialty, and access 39,270 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Geothermal contractors based in the United States at a glance
As of Nov 6, 2026Companies by employee count
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 6,674 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 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 39,270 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 contractors by metro
- Geothermal contractors in Houston86
- Geothermal contractors in New York58
- Geothermal contractors in Phoenix43
- Geothermal contractors in San Diego42
- Geothermal contractors in Jacksonville37
- Geothermal contractors in Miami37
- Geothermal contractors in San Antonio36
- Geothermal contractors in Indianapolis34
- Geothermal contractors in Las Vegas33
- Geothermal contractors in Albuquerque32
- Geothermal contractors in Denver31
- Geothermal contractors in Tampa28
- Geothermal contractors in Bakersfield27
- Geothermal contractors in Orlando25
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 contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many geothermal contractors are there based in the United States?
RevenueBase identified 6,674 company matches for geothermal 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?
Acco Engineered Systems tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most geothermal contractors?
Houston leads with 86 company records, followed by New York (58) and Phoenix (43).
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 39,270 professional contacts with verified work emails tracked across these 6,674 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 6,674 geothermal contractors based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Geothermal contractors by geography
- Geothermal contractors based in Perth, Australia
- Geothermal contractors based in Sao Paulo, Brazil
- Geothermal contractors based in Burnaby, Canada
- Geothermal contractors based in Calgary, Canada
- Geothermal contractors based in Edmonton, Canada
- Geothermal contractors based in Montreal, Canada
- Geothermal contractors based in Toronto, Canada
- Geothermal contractors based in Auckland, New Zealand
- Geothermal contractors based in Istanbul, Türkiye
- Geothermal contractors based in Dubai, United Arab Emirates
- Geothermal contractors based in London, United Kingdom
- Geothermal contractors based in Albuquerque, United States
Browse the directory
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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Geothermal contractors based in Perth, Australia
- Geothermal contractors based in Sao Paulo, Brazil
- Geothermal contractors based in Burnaby, Canada
- Geothermal contractors based in Calgary, Canada
- Geothermal contractors based in Edmonton, Canada
- Geothermal contractors based in Montreal, Canada
Company intelligence · public preview
Top 25 geothermal contractors based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 6,674 matching company records for geothermal contractors based in the United States, with 111,942 tracked contacts and 39,270 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 contractors based in the United States
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 |  Acco Engineered Systemsaccoes.comHQ: Pasadena, CA, United StatesReported employees: 5,001-10,000 | Pasadena, CA, United States | 5,001-10,000 | Exact match | 2,633 contacts → |
“Since 1934, owners and builders have selected ACCO Engineered Systems to design, install, and maintain more than mechanical projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Macdonald-Miller Facility Solutionsmacmiller.comHQ: Seatac, WA, United StatesReported employees: 1,001-5,000 | Seatac, WA, United States | 1,001-5,000 | Exact match | 1,424 contacts → |
“MacDonald-Miller Facility Solutions is a full-service, design-build mechanical contractor in the Pacific Northwest.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Comfort Systems USAcomfortsystemsusa.comHQ: Houston, IN, United StatesReported employees: 10001+ | Houston, IN, United States | 10001+ | Exact match | 1,407 contacts → |
“Comfort Systems USA | Quality People.” 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 |  Mckenney's, INCmckenneys.comHQ: Atlanta, NC, United StatesReported employees: 1,001-5,000 | Atlanta, NC, United States | 1,001-5,000 | Exact match | 1,143 contacts → |
“McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Fargo, TX, United StatesReported employees: 1,001-5,000 | Fargo, TX, United States | 1,001-5,000 | Exact match | 977 contacts → |
“Wanzek Construction, Inc, a MasTec Renewables company, is a leading general construction contractor and clean energy services company headquartered in Fargo, North Dakota.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  WHC Energy Serviceswhcenergyservices.comHQ: Broussard, TX, United StatesReported employees: Not recorded | Broussard, TX, United States | Not recorded | Exact match | 794 contacts → |
“WHC - A Surerus Murphy Company, is a privately held general contractor who provides construction services for renewable services, pipeline and related facilities to the oil and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Baker Groupthebakergroup.comHQ: Ankeny, IA, United StatesReported employees: 1,001-5,000 | Ankeny, IA, United States | 1,001-5,000 | Exact match | 731 contacts → |
“Established in 1963, Baker Group is Iowa’s premier full-service specialty contractor-serving commercial, industrial, institutional, and mission-critical markets across the country.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  SEL Construction Corporationselconstruction.comHQ: Loomis, CA, United StatesReported employees: Not recorded | Loomis, CA, United States | Not recorded | Exact match | 727 contacts → |
“Experienced commercial contractor specializing in renewable energy, electrical, and roofing projects for privately-owned buildings as well as state/local government buildings in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Harder Mechanical Contractors, INCharder.comHQ: Portland, CA, United StatesReported employees: 1,001-5,000 | Portland, CA, United States | 1,001-5,000 | Exact match | 679 contacts → |
“Harder Mechanical is a nationally recognized contractor known for its strong safety culture, ability to meet demanding schedules, commitment to quality, and consistent delivery of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Alterman, INCgoalterman.comHQ: Live Oak, TX, United StatesReported employees: 501-1,000 | Live Oak, TX, United States | 501-1,000 | Exact match | 632 contacts → |
“Since 1923, Alterman has provided electrical construction on many of San Antonio and Austin's most impressive landmarks and contemporary structures.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Murphy Companymurphynet.comHQ: St. Louis, MO, United StatesReported employees: 1,001-5,000 | St. Louis, MO, United States | 1,001-5,000 | Exact match | 598 contacts → |
“Per Colorado State Law Our CO Plumbing Contractor License Our Master Plumbing License is MP.03001288.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Arb, INCprim.comHQ: Irvine, CA, United StatesReported employees: 1,001-5,000 | Irvine, CA, United States | 1,001-5,000 | Exact match | 547 contacts → |
“ARB Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  JH Kelly, LLCjhkelly.comHQ: Longview, WA, United StatesReported employees: 501-1,000 | Longview, WA, United States | 501-1,000 | Exact match | 535 contacts → |
“JH Kelly is a fourth generation, family-owned construction company that provides HVAC and plumbing services to commercial facility owners and acts as a self-performing industrial…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Pieper Electric, INCpieperpower.comHQ: New Berlin, WI, United StatesReported employees: 501-1,000 | New Berlin, WI, United States | 501-1,000 | Exact match | 526 contacts → |
“At Pieper Electric, Inc,"Our People Are Our Power" isn't just a phrase; it's our way of life.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Entact, LLCentact.comHQ: Westmont, IL, United StatesReported employees: 501-1,000 | Westmont, IL, United States | 501-1,000 | Exact match | 495 contacts → |
“ENTACT is the partner of choice in solving our customer's most complex environmental remediation and geotechnical infrastructure challenges.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Kineticskinetics.net HQ: Livermore, CA, United StatesReported employees: 1,001-5,000 | Livermore, CA, United States | 1,001-5,000 | Exact match | 491 contacts → |
“Founded in 1973, Kinetics is a full-service process and mechanical contractor specializing in the design and installation of process, mechanical, plumbing and HVAC systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  IES Residentialiesresidential.comHQ: Sugar Land, TX, United StatesReported employees: 1,001-5,000 | Sugar Land, TX, United States | 1,001-5,000 | Exact match | 475 contacts → |
“IES Residential, Inc.(IESR) is one of the nation's largest and most respected providers of electrical, plumbing, and HVAC solutions, exclusively serving homebuilders who…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Horizon Services, LLChorizonservices.comHQ: Wilmington, MD, United StatesReported employees: 501-1,000 | Wilmington, MD, United States | 501-1,000 | Exact match | 472 contacts → |
“Horizon Services is the premier heating, air conditioning, plumbing, drain cleaning and sewer services company in Delaware (New Castle County & Kent County), Pennsylvania…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Jmeg Electrical Contractorsjmeg.usHQ: Farmers Branch, TX, United StatesReported employees: 501-1,000 | Farmers Branch, TX, United States | 501-1,000 | Exact match | 464 contacts → |
“JMEG is a team of professionals who have been providing electrical construction services for over 35 years throughout the state of Texas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Romanoff Groupromanoffgroup.comHQ: Gahanna, OH, United StatesReported employees: 1,001-5,000 | Gahanna, OH, United States | 1,001-5,000 | Exact match | 444 contacts → |
“The Romanoff Group of Companies has been dedicated to providing specialized electrical, plumbing, and heating and cooling services since 1992.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  John W. Danforth Companyjwdanforth.comHQ: Tonawanda, NY, United StatesReported employees: 501-1,000 | Tonawanda, NY, United States | 501-1,000 | Exact match | 420 contacts → |
“We are powered by the best people in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Strada Servicesstradaservices.comHQ: Sanford, FL, United StatesReported employees: 1,001-5,000 | Sanford, FL, United States | 1,001-5,000 | Exact match | 415 contacts → |
“Strada Services is a full service electrical, security, and air conditioning contracting company servicing residential, commercial, and industrial customers in Florida and in the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Hooperhoopercorp.comHQ: De Forest, CO, United StatesReported employees: 501-1,000 | De Forest, CO, United States | 501-1,000 | Exact match | 413 contacts → |
“Hooper Corporation is your full-service electric power and mechanical contractor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  DP Electric INCdpelectric.comHQ: Tempe, AZ, United StatesReported employees: 1,001-5,000 | Tempe, AZ, United States | 1,001-5,000 | Exact match | 401 contacts → |
“DP Electric (DPE) has a long history as a dedicated trade partner.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 6,674 company matches
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Geothermal contractors: 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
6,625 records in the displayed employee bands.
49 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 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 6,674 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 contractors by metro
- Geothermal contractors in Houston86
- Geothermal contractors in New York58
- Geothermal contractors in Phoenix43
- Geothermal contractors in San Diego42
- Geothermal contractors in Jacksonville37
- Geothermal contractors in Miami37
- Geothermal contractors in San Antonio36
- Geothermal contractors in Indianapolis34
- Geothermal contractors in Las Vegas33
- Geothermal contractors in Albuquerque32
- Geothermal contractors in Denver31
- Geothermal contractors in Tampa28
- Geothermal contractors in Bakersfield27
- Geothermal contractors in Orlando25
Questions about this company list
What does Exact match mean for geothermal contractors?
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 contractors did RevenueBase find based in the United States?
The saved snapshot records 6,674 matching company records, 111,942 tracked contacts and 39,270 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.
Related lists
Geothermal contractors by geography
- Geothermal contractors based in Perth, Australia
- Geothermal contractors based in Sao Paulo, Brazil
- Geothermal contractors based in Burnaby, Canada
- Geothermal contractors based in Calgary, Canada
- Geothermal contractors based in Edmonton, Canada
- Geothermal contractors based in Montreal, Canada
- Geothermal contractors based in Toronto, Canada
- Geothermal contractors based in Auckland, New Zealand
- Geothermal contractors based in Istanbul, Türkiye
- Geothermal contractors based in Dubai, United Arab Emirates
- Geothermal contractors based in London, United Kingdom
- Geothermal contractors based in Albuquerque, United States
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 geothermal contractors based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/geothermal-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Geothermal contractors based in Perth, Australia
- Geothermal contractors based in Sao Paulo, Brazil
- Geothermal contractors based in Burnaby, Canada
- Geothermal contractors based in Calgary, Canada
- Geothermal contractors based in Edmonton, Canada
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Company intelligence · public preview
Top 25 geothermal contractors based in the United States
RevenueBase records 6,674 matching company records for geothermal contractors based in the United States, with 111,942 tracked contacts and 39,270 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 contractors based in the United States
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 | Acco Engineered Systemsaccoes.com HQ: Pasadena, CA, United StatesReported employees: 5,001-10,000 | Pasadena, CA, United States | 5,001-10,000 | Exact match | 2,633 contacts → |
“Since 1934, owners and builders have selected ACCO Engineered Systems to design, install, and maintain more than mechanical projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Macdonald-Miller Facility Solutionsmacmiller.com HQ: Seatac, WA, United StatesReported employees: 1,001-5,000 | Seatac, WA, United States | 1,001-5,000 | Exact match | 1,424 contacts → |
“MacDonald-Miller Facility Solutions is a full-service, design-build mechanical contractor in the Pacific Northwest.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Comfort Systems USAcomfortsystemsusa.com HQ: Houston, IN, United StatesReported employees: 10001+ | Houston, IN, United States | 10001+ | Exact match | 1,407 contacts → |
“Comfort Systems USA | Quality People.” 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 | Mckenney's, INCmckenneys.com HQ: Atlanta, NC, United StatesReported employees: 1,001-5,000 | Atlanta, NC, United States | 1,001-5,000 | Exact match | 1,143 contacts → |
“McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Fargo, TX, United StatesReported employees: 1,001-5,000 | Fargo, TX, United States | 1,001-5,000 | Exact match | 977 contacts → |
“Wanzek Construction, Inc, a MasTec Renewables company, is a leading general construction contractor and clean energy services company headquartered in Fargo, North Dakota.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | WHC Energy Serviceswhcenergyservices.com HQ: Broussard, TX, United StatesReported employees: Not recorded | Broussard, TX, United States | Not recorded | Exact match | 794 contacts → |
“WHC - A Surerus Murphy Company, is a privately held general contractor who provides construction services for renewable services, pipeline and related facilities to the oil and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Baker Groupthebakergroup.com HQ: Ankeny, IA, United StatesReported employees: 1,001-5,000 | Ankeny, IA, United States | 1,001-5,000 | Exact match | 731 contacts → |
“Established in 1963, Baker Group is Iowa’s premier full-service specialty contractor-serving commercial, industrial, institutional, and mission-critical markets across the country.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | SEL Construction Corporationselconstruction.com HQ: Loomis, CA, United StatesReported employees: Not recorded | Loomis, CA, United States | Not recorded | Exact match | 727 contacts → |
“Experienced commercial contractor specializing in renewable energy, electrical, and roofing projects for privately-owned buildings as well as state/local government buildings in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Harder Mechanical Contractors, INCharder.com HQ: Portland, CA, United StatesReported employees: 1,001-5,000 | Portland, CA, United States | 1,001-5,000 | Exact match | 679 contacts → |
“Harder Mechanical is a nationally recognized contractor known for its strong safety culture, ability to meet demanding schedules, commitment to quality, and consistent delivery of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Alterman, INCgoalterman.com HQ: Live Oak, TX, United StatesReported employees: 501-1,000 | Live Oak, TX, United States | 501-1,000 | Exact match | 632 contacts → |
“Since 1923, Alterman has provided electrical construction on many of San Antonio and Austin's most impressive landmarks and contemporary structures.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Murphy Companymurphynet.com HQ: St. Louis, MO, United StatesReported employees: 1,001-5,000 | St. Louis, MO, United States | 1,001-5,000 | Exact match | 598 contacts → |
“Per Colorado State Law Our CO Plumbing Contractor License Our Master Plumbing License is MP.03001288.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Arb, INCprim.com HQ: Irvine, CA, United StatesReported employees: 1,001-5,000 | Irvine, CA, United States | 1,001-5,000 | Exact match | 547 contacts → |
“ARB Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | JH Kelly, LLCjhkelly.com HQ: Longview, WA, United StatesReported employees: 501-1,000 | Longview, WA, United States | 501-1,000 | Exact match | 535 contacts → |
“JH Kelly is a fourth generation, family-owned construction company that provides HVAC and plumbing services to commercial facility owners and acts as a self-performing industrial…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Pieper Electric, INCpieperpower.com HQ: New Berlin, WI, United StatesReported employees: 501-1,000 | New Berlin, WI, United States | 501-1,000 | Exact match | 526 contacts → |
“At Pieper Electric, Inc,"Our People Are Our Power" isn't just a phrase; it's our way of life.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Entact, LLCentact.com HQ: Westmont, IL, United StatesReported employees: 501-1,000 | Westmont, IL, United States | 501-1,000 | Exact match | 495 contacts → |
“ENTACT is the partner of choice in solving our customer's most complex environmental remediation and geotechnical infrastructure challenges.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Kineticskinetics.net HQ: Livermore, CA, United StatesReported employees: 1,001-5,000 | Livermore, CA, United States | 1,001-5,000 | Exact match | 491 contacts → |
“Founded in 1973, Kinetics is a full-service process and mechanical contractor specializing in the design and installation of process, mechanical, plumbing and HVAC systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | IES Residentialiesresidential.com HQ: Sugar Land, TX, United StatesReported employees: 1,001-5,000 | Sugar Land, TX, United States | 1,001-5,000 | Exact match | 475 contacts → |
“IES Residential, Inc.(IESR) is one of the nation's largest and most respected providers of electrical, plumbing, and HVAC solutions, exclusively serving homebuilders who…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Horizon Services, LLChorizonservices.com HQ: Wilmington, MD, United StatesReported employees: 501-1,000 | Wilmington, MD, United States | 501-1,000 | Exact match | 472 contacts → |
“Horizon Services is the premier heating, air conditioning, plumbing, drain cleaning and sewer services company in Delaware (New Castle County & Kent County), Pennsylvania…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Jmeg Electrical Contractorsjmeg.us HQ: Farmers Branch, TX, United StatesReported employees: 501-1,000 | Farmers Branch, TX, United States | 501-1,000 | Exact match | 464 contacts → |
“JMEG is a team of professionals who have been providing electrical construction services for over 35 years throughout the state of Texas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Romanoff Groupromanoffgroup.com HQ: Gahanna, OH, United StatesReported employees: 1,001-5,000 | Gahanna, OH, United States | 1,001-5,000 | Exact match | 444 contacts → |
“The Romanoff Group of Companies has been dedicated to providing specialized electrical, plumbing, and heating and cooling services since 1992.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | John W. Danforth Companyjwdanforth.com HQ: Tonawanda, NY, United StatesReported employees: 501-1,000 | Tonawanda, NY, United States | 501-1,000 | Exact match | 420 contacts → |
“We are powered by the best people in the industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Strada Servicesstradaservices.com HQ: Sanford, FL, United StatesReported employees: 1,001-5,000 | Sanford, FL, United States | 1,001-5,000 | Exact match | 415 contacts → |
“Strada Services is a full service electrical, security, and air conditioning contracting company servicing residential, commercial, and industrial customers in Florida and in the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Hooperhoopercorp.com HQ: De Forest, CO, United StatesReported employees: 501-1,000 | De Forest, CO, United States | 501-1,000 | Exact match | 413 contacts → |
“Hooper Corporation is your full-service electric power and mechanical contractor.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | DP Electric INCdpelectric.com HQ: Tempe, AZ, United StatesReported employees: 1,001-5,000 | Tempe, AZ, United States | 1,001-5,000 | Exact match | 401 contacts → |
“DP Electric (DPE) has a long history as a dedicated trade partner.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 6,674 company matches
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Geothermal contractors: 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
6,625 records in the displayed employee bands.
49 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 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 6,674 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 contractors by metro
- Geothermal contractors in Houston86
- Geothermal contractors in New York58
- Geothermal contractors in Phoenix43
- Geothermal contractors in San Diego42
- Geothermal contractors in Jacksonville37
- Geothermal contractors in Miami37
- Geothermal contractors in San Antonio36
- Geothermal contractors in Indianapolis34
- Geothermal contractors in Las Vegas33
- Geothermal contractors in Albuquerque32
- Geothermal contractors in Denver31
- Geothermal contractors in Tampa28
- Geothermal contractors in Bakersfield27
- Geothermal contractors in Orlando25
Questions about this company list
What does Exact match mean for geothermal contractors?
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 contractors did RevenueBase find based in the United States?
The saved snapshot records 6,674 matching company records, 111,942 tracked contacts and 39,270 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 contractors based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/geothermal-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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