Company lists · Data refreshed November 2026

Top 25 Solar system installers based in the United States

Name: Solar system installers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 4,401 companies tracked

RevenueBase identified 4,401 company matches for solar system installers associated with the United States as of November 2026 and tracks 80,439 professional contacts across them, including 24,999 with verified work emails. San Diego is the largest hub.

This list covers company matches for solar system installers 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

4,401Companies

80,439Contacts tracked

24,999Verified emails

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The 25 largest solar system installers based in the United States

Ranked by team size

Top 25 of 4,401 company matches for solar system installers 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Sunrun	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	10001+	8,270 contacts →
	Exact match “Life runs on clean energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Sunpower Corporation	Exact match	Richmond, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	2,036 contacts →
	Exact match “We believe clean energy and backup storage should be accessible to everybody.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Trinity Solar	Exact match	Wall Township, NJ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,854 contacts →
	Exact match “Trinity Solar is one of the largest privately held residential solar companies in the nation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Freedom Forever	Exact match	Temecula, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,754 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 · Nov 6, 2026 · View company records in RevenueBase
5	Solv Energy	Exact match	San Diego, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,484 contacts →
	Exact match “SOLV Energy is a renewable energy solutions provider for utility solar, energy storage, and high voltage projects in North America.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Blue Raven Solar	Exact match	Orem, UT, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,120 contacts →
	Exact match “Blue Raven Solar, a SunPower Company, is a retailer of residential home solar systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Wanzek Construction, Inc., A Mastec Company	Exact match	Fargo, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	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
8	ION Solar	Exact match	Provo, UT, United StatesHQ recorded Nov 6, 2026	501-1,000	945 contacts →
	Exact match “Ion Solar is a premium, full-service solar provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	SEL Construction Corporation	Exact match	Loomis, CA, United StatesHQ recorded Nov 6, 2026	n/a	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	LUMIO	Exact match	Lehi, UT, United StatesHQ recorded Nov 6, 2026	5,001-10,000	700 contacts →
	Exact match “We’re on a mission to make power personal.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Depcom Power, INC	Exact match	Scottsdale, AZ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	658 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 · Nov 6, 2026 · View company records in RevenueBase
12	Nexamp	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	201-500	626 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 · Nov 6, 2026 · View company records in RevenueBase
13	Greentech Renewables	Exact match	San Diego, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	602 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 · Nov 6, 2026 · View company records in RevenueBase
14	Titan Solar Power	Exact match	Santa Ana, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	464 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 · Nov 6, 2026 · View company records in RevenueBase
15	Posigen	Exact match	St. Rose, LA, United StatesHQ recorded Nov 6, 2026	501-1,000	452 contacts →
	Exact match “PosiGen is the nation's leading residential solar and energy efficiency provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Freedom Solar Pros LLC	Exact match	Chandler, AZ, United StatesHQ recorded Nov 6, 2026	51-200	420 contacts →
	Exact match “The future of Solar Sales” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Solar Landscape	Exact match	Asbury Park, NJ, United StatesHQ recorded Nov 6, 2026	201-500	401 contacts →
	Exact match “Solar Landscape is the nation’s leading distributed energy infrastructure company, transforming commercial real estate into a source of new power by deploying solar and storage at…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Energyscape Renewables	Exact match	Denver, United StatesHQ recorded Nov 6, 2026	501-1,000	401 contacts →
	Exact match “Established in 2019.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	REC Solar	Exact match	San Luis Obispo, CA, United StatesHQ recorded Nov 6, 2026	n/a	398 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 · Nov 6, 2026 · View company records in RevenueBase
20	OUR World Energy	Exact match	Phoenix, AZ, United StatesHQ recorded Nov 6, 2026	201-500	393 contacts →
	Exact match “https://ourworldenergy.com/” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Sunder Energy	Exact match	Sandy, UT, United StatesHQ recorded Nov 6, 2026	201-500	383 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 · Nov 6, 2026 · View company records in RevenueBase
22	V3 Electric, INC	Exact match	El Dorado Hills, CA, United StatesHQ recorded Nov 6, 2026	201-500	383 contacts →
	Exact match “V3 was founded as a response to the stagnation within the energy industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Supernova	Exact match	Irvine, CO, United StatesHQ recorded Nov 6, 2026	201-500	368 contacts →
	Exact match “Supernova embodies the spirit of innovation and dedication to a sustainable future, making it a shining example of what it means to be a leader in the renewable energy industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Wattmonk Technologies	Exact match	Delaware, United StatesHQ recorded Nov 6, 2026	201-500	350 contacts →
	Exact match “WattMonk is a leading force in the solar industry, committed to revolutionizing the way the world harnesses clean energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Solar Energy World	Exact match	Laurel, MD, United StatesHQ recorded Nov 6, 2026	501-1,000	344 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 · 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 “solar system installers”. 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 4,401 solar system installers based in the United States

See the full list, filter by size, metro and specialty, and access 24,999 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Solar system installers based in the United States at a glance

As of Nov 6, 2026

31.1%Verified-email coverage

18.3Average contacts per company

11-50Median size (employees)

1.8%Largest-city concentration · San Diego

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

1,731

11-50

1,864

51-200

599

201-500

109

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 4,401 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 “solar system installers” 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 24,999 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.

Solar system installers 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 “solar system installers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many solar system installers are there based in the United States?

RevenueBase identified 4,401 company matches for solar system installers 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?

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

Which city has the most solar system installers?

San Diego leads with 81 company records, followed by Houston (62) and Los Angeles (58).

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 24,999 professional contacts with verified work emails tracked across these 4,401 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.