Company lists · Data refreshed October 2026

Top 25 General contractors solar companies based in the United States

Name: General contractors solar companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 13, 2026 5,453 companies tracked

RevenueBase identified 5,453 company matches for general contractors solar companies associated with the United States as of October 2026 and tracks 86,291 professional contacts across them, including 26,883 with verified work emails. San Diego is the largest hub.

This list covers company matches for general contractors solar 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 October 13, 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 Oct 13, 2026 How this list was built

5,453Companies

86,291Contacts tracked

26,883Verified emails

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The 25 largest general contractors solar companies based in the United States

Ranked by team size

Top 25 of 5,453 company matches for general contractors solar companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	FTI	Exact match	Menasha, WI, United StatesHQ recorded Oct 13, 2026	1,001-5,000	2,979 contacts →
	Exact match “Faith Technologies Incorporated (FTI) is a dynamic organization comprised of construction, engineering, manufacturing and renewable energy experts.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2	MOSS	Exact match	Fort Lauderdale, FL, United StatesHQ recorded Oct 13, 2026	5,001-10,000	2,323 contacts →
	Exact match “Moss is a national, privately-held construction firm providing innovative solutions resulting in award-winning projects.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3	Trinity Solar	Exact match	Wall Township, NJ, United StatesHQ recorded Oct 13, 2026	1,001-5,000	1,782 contacts →
	Exact match “Trinity Solar is one of the largest privately held residential solar companies in the nation.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
4	Freedom Forever	Exact match	Temecula, CA, United StatesHQ recorded Oct 13, 2026	1,001-5,000	1,684 contacts →
	Exact match “Freedom Forever is a residential solar installation company that partners with solar sales companies in the industry.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5	Helix Electric	Exact match	San Diego, CA, United StatesHQ recorded Oct 13, 2026	1,001-5,000	1,618 contacts →
	Exact match “Helix Electric is an award-winning electrical contractor specializing in design-build and highly complex electrical projects throughout the United States.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6	Blue Raven Solar	Exact match	Orem, UT, United StatesHQ recorded Oct 13, 2026	1,001-5,000	1,075 contacts →
	Exact match “Blue Raven Solar, a SunPower Company, is a retailer of residential home solar systems.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
7	Wanzek Construction, Inc., A Mastec Company	Exact match	Fargo, ND, United StatesHQ recorded Oct 13, 2026	1,001-5,000	946 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 · Oct 13, 2026 · View company records in RevenueBase
8	ION Solar	Exact match	Provo, UT, United StatesHQ recorded Oct 13, 2026	501-1,000	913 contacts →
	Exact match “Ion Solar is a premium, full-service solar provider.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9	SEL Construction Corporation	Exact match	Loomis, CA, United StatesHQ recorded Oct 13, 2026	n/a	722 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 · Oct 13, 2026 · View company records in RevenueBase
10	Baker Electric	Exact match	Escondido, CA, United StatesHQ recorded Oct 13, 2026	501-1,000	704 contacts →
	Exact match “Baker Electric is a full-service electrical contractor and energy infrastructure expert headquartered in Escondido, California.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11	LUMIO	Exact match	Lehi, UT, United StatesHQ recorded Oct 13, 2026	5,001-10,000	659 contacts →
	Exact match “We’re on a mission to make power personal.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12	Depcom Power, INC	Exact match	Scottsdale, AZ, United StatesHQ recorded Oct 13, 2026	1,001-5,000	631 contacts →
	Exact match “DEPCOM Power, a Koch Engineered Solutions Company, is a leading solar energy solutions partner providing Development Support, Engineering, Procurement & Construction (EPC)…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
13	Alterman, INC	Exact match	Live Oak, TX, United StatesHQ recorded Oct 13, 2026	501-1,000	615 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 · Oct 13, 2026 · View company records in RevenueBase
14	Nexamp	Exact match	Boston, MA, United StatesHQ recorded Oct 13, 2026	201-500	610 contacts →
	Exact match “Nexamp is leading the transformation to the new energy economy with proven solutions for the deployment and operation of solar energy assets.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15	Greentech Renewables	Exact match	San Diego, CA, United StatesHQ recorded Oct 13, 2026	1,001-5,000	600 contacts →
	Exact match “As Greentech Renewables, we prioritize our commitment to providing customers with exceptional service and top-tier products from prominent renewable energy manufacturers.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16	CSI Electrical Contractors, INC	Exact match	Santa Fe Springs, CA, United StatesHQ recorded Oct 13, 2026	1,001-5,000	585 contacts →
	Exact match “Founded in 1990, CSI has become a leader in highly technical and innovative electrical design and construction.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17	Titan Solar Power	Exact match	Santa Ana, CA, United StatesHQ recorded Oct 13, 2026	1,001-5,000	449 contacts →
	Exact match “EnergyAid acquired Titan Solar Power's intellectual property (IP) in March of 2025 through bankruptcy court.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
18	Posigen	Exact match	St. Rose, LA, United StatesHQ recorded Oct 13, 2026	501-1,000	433 contacts →
	Exact match “PosiGen is the nation's leading residential solar and energy efficiency provider.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19	REC Solar	Exact match	San Luis Obispo, CA, United StatesHQ recorded Oct 13, 2026	n/a	423 contacts →
	Exact match “Founded in 1997, REC Solar has emerged as a leader in the solar industry, installing 800+ solar and storage solutions for commercial and public sector customers nationwide.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20	Freedom Solar Pros LLC	Exact match	Chandler, AZ, United StatesHQ recorded Oct 13, 2026	51-200	388 contacts →
	Exact match “The future of Solar Sales” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21	Energyscape Renewables	Exact match	Denver, United StatesHQ recorded Oct 13, 2026	501-1,000	388 contacts →
	Exact match “Established in 2019.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22	OUR World Energy	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 13, 2026	201-500	377 contacts →
	Exact match “https://ourworldenergy.com/” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23	V3 Electric, INC	Exact match	El Dorado Hills, CA, United StatesHQ recorded Oct 13, 2026	201-500	367 contacts →
	Exact match “V3 was founded as a response to the stagnation within the energy industry.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
24	Sunder Energy	Exact match	Sandy, UT, United StatesHQ recorded Oct 13, 2026	201-500	355 contacts →
	Exact match “We don’t settle at Sunder, so you can expect exceptional service from start to finish in your switch to solar.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
25	Solar Energy World	Exact match	Laurel, MD, United StatesHQ recorded Oct 13, 2026	501-1,000	341 contacts →
	Exact match “With tens of thousands of customers, Solar Energy World is the fastest growing solar and battery system installation company in our region, serving Delaware, Florida, Maryland…” Recorded in the RevenueBase company graph · Oct 13, 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 “general contractors solar companies”. 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 5,453 general contractors solar companies based in the United States

See the full list, filter by size, metro and specialty, and access 26,883 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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General contractors solar companies based in the United States at a glance

As of Oct 13, 2026

31.2%Verified-email coverage

15.8Average contacts per company

11-50Median size (employees)

1.8%Largest-city concentration · San Diego

Oct 13, 2026Page data refreshed

Companies by employee count

1-10

2,217

11-50

2,261

51-200

732

201-500

134

501-1,000

1,001-5,000

5,001-10,000

10001+

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 5,453 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 “general contractors solar 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 26,883 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 October 13, 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.

General contractors solar companies by metro

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 “general contractors solar companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many general contractors solar companies are there based in the United States?

RevenueBase identified 5,453 company matches for general contractors solar companies associated with the United States as of October 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?

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

Which city has the most general contractors solar companies?

San Diego leads with 98 company records, followed by Los Angeles (73) and Houston (69).

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 26,883 professional contacts with verified work emails tracked across these 5,453 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 October 13, 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.