Company lists · Data refreshed October 2026

Top 25 Commercial solar installation services based in Houston, United States

Name: Commercial solar installation services based in Houston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 10, 2026 98 companies tracked

RevenueBase identified 98 company matches for commercial solar installation services associated with Houston, United States as of October 2026 and tracks 2,492 professional contacts across them, including 558 with verified work emails. Across the United States, San Diego is the largest hub for this category (105 companies); Houston follows with 98.

This list covers company matches for commercial solar installation services associated with Houston, 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 10, 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 10, 2026 How this list was built

98Companies

2,492Contacts tracked

558Verified emails

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The 25 largest commercial solar installation services based in Houston, United States

Ranked by team size

Top 25 of 98 company matches for commercial solar installation services based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 10, 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	Sunnova Energy	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	501-1,000	770 contacts →
	Exact match “Sunnova Energy International Inc.(NYSE: NOVA) is an industry-leading energy services company focused on making clean energy more accessible, reliable, and affordable for…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
2	Sunstrong Management	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	501-1,000	237 contacts →
	Exact match “SunStrong Management, LLC is an independent asset management and servicing company with dedicated expertise in the residential and commercial solar asset classes.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
3	Spruce Power	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	51-200	196 contacts →
	Exact match “Spruce Power is one of the largest owner-operators of residential solar portfolios in the US.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
4	Trismart Solar	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	201-500	161 contacts →
	Exact match “Our mission is to help people achieve energy independence quickly, easily, and affordably using the power of the sun and teamwork.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
5	Catalyze	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	51-200	148 contacts →
	Exact match “Founded in 2017, Catalyze is a fully integrated developer and Independent Power Producer (IPP) of distributed renewable energy assets.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
6	Fastrac Energy Services	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	51-200	45 contacts →
	Exact match “At FASTRAC Energy Services, we specialize in providing comprehensive solar energy solutions that help homeowners and businesses save on energy costs while contributing to a their…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7	Radial Power	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	11-50	40 contacts →
	Exact match “Radial Power is a national developer, owner, and operator of distributed solar and storage projects serving commercial, industrial, and community solar customers across the United…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
8	Integratesun	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	11-50	33 contacts →
	Exact match “We are a Texas based residential and commercial solar development company that offers solar energy systems in TX, CA,GA, OK, AZ, NV, DC, MD & PA.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
9	Chariot Energy	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	51-200	32 contacts →
	Exact match “Chariot Energy is a retail electricity provider and energy solutions company serving residential, commercial, and industrial customers across competitive U.S.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
10	Bioeco Energy	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	11-50	24 contacts →
	Exact match “Bioeco Energy’s alternative energy solutions capture the renewable power of the sun, fueling new possibilities for your business and home.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
11	Knight Construction	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	201-500	23 contacts →
	Exact match “Knight Construction provides mechanical installation services for the solar construction industry that include pile driving, racking assembly and solar module installation.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
12	Lonestar Solar Services	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	51-200	22 contacts →
	Exact match “Lone Star Solar Services LLC is a company that specializes in offering electrical solutions for solar power systems in residential and commercial properties.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
13	Solstice Solar	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	11-50	20 contacts →
	Exact match “Solstice Solar is a Houston-based, licensed, insured, and certified Electrical Contractor specializing in residential solar and energy storage solutions.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
14	Sunshine Renewable Solutions	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	11-50	20 contacts →
	Exact match “Texas' first NABCEP Accredited PV Installation Company • NABCEP Certified PV Installation Professional # PV-102117-017952 Sunshine Renewable Solutions was established to address…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
15	Energy Edge Consulting	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	11-50	17 contacts →
	Exact match “Energy Edge offers strategic energy management and renewable energy solutions to a wide range of businesses and institutions.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
16	E3 Electric, LTD	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	51-200	15 contacts →
	Exact match “As a full-service electrical contractor, E3 Electric offers a spectrum of electrical services for discerning residential, commercial, and industrial clients.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
17	Texon Solar Energy LLC	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	11-50	14 contacts →
	Exact match “Texon Solar has you covered!” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
18	Mackey Services	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	51-200	12 contacts →
	Exact match “Mackey Services delivers reliable commercial HVAC, electrical, and generator solutions for businesses across the Greater Houston area.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
19	Zolarzo	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	51-200	12 contacts →
	Exact match “We are a company specialized in the installation of solar energy systems and roof replacement.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
20	KNS Solar	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	51-200	11 contacts →
	Exact match “Headquartered in Houston, TX right inside the Energy Corridor, KNS Solar, LLC, is a strategic international energy and project development corporation, with a combined experience…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
21	Texas Solar Outfitters	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	11-50	9 contacts →
	Exact match “TSO is the oldest solar installer in the City of Houston family operated and in the heart of town we have been servicing Houston and the greater State of Texas since 2012.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
22	Amperion	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	51-200	6 contacts →
	Exact match “Amperion provides installation, testing, troubleshooting, and commissioning in support of renewable construction.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
23	Hita Technology INC	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	11-50	6 contacts →
	Exact match “We are a group highly experienced professionals provide services of Energy Audit, Energy Saving & Storage solutions, Energy management, Power Electronics and Renewable Energy…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
24	Merit SI	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	11-50	5 contacts →
	Exact match “Merit SI is a sustainable infrastructure company that develops, designs, builds and operates industrial-grade solar photovoltaic power plants, energy storage solutions, and…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
25	KW Solar	Exact match	Houston, TX, United StatesHQ recorded Oct 10, 2026	11-50	5 contacts →
	Exact match “We put solar panels on roofs.” Recorded in the RevenueBase company graph · Oct 10, 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 “commercial solar installation services”. 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 98 commercial solar installation services based in Houston, United States

See the full list, filter by size, metro and specialty, and access 558 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Commercial solar installation services based in Houston, United States at a glance

As of Oct 10, 2026

22.4%Verified-email coverage

25.4Average contacts per company

11-50Median size (employees)

Oct 10, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 98 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 Houston, United States whose business descriptions match “commercial solar installation services” 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 558 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 10, 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.

Commercial solar installation services by metro in the United States

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 “commercial solar installation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many commercial solar installation services are there based in Houston, United States?

RevenueBase identified 98 company matches for commercial solar installation services associated with Houston, 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?

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

Which city in the United States has the most commercial solar installation services?

San Diego leads the United States with 105 company records, followed by Houston (98) and New York (98).

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 558 professional contacts with verified work emails tracked across these 98 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 10, 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.