Company lists · Data refreshed September 2026

Top 25 Solar integration companies based in Houston, United States

RevenueBase identified 90 company matches for solar integration companies associated with Houston, United States as of September 2026 and tracks 2,667 professional contacts across them, including 529 with verified work emails. Across the United States, San Diego is the largest hub for this category (94 companies); Houston follows with 90.

This list covers company matches for solar integration companies 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 September 18, 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 Sep 18, 2026 How this list was built
90Companies
2,667Contacts tracked
529Verified emails
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The 25 largest solar integration companies based in Houston, United States

Ranked by team size
Top 25 of 90 company matches for solar integration companies based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 18, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchHouston, TX, United StatesHQ recorded Sep 18, 2026501-1,000906 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 · Sep 18, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Sep 18, 20261,001-5,000409 contacts →

Exact match

“Signal Energy is a leading full service design/build contractor providing Engineering, Procurement, and Construction (EPC) services for renewable energy & infrastructure projects.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202651-200186 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 · Sep 18, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Sep 18, 2026201-500167 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 · Sep 18, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202651-200156 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 · Sep 18, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202651-20081 contacts →

Exact match

“TruGrid is a leading engineering, procurement, and construction (EPC) company delivering utility-scale battery energy storage and solar projects across North America.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202651-20045 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 · Sep 18, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202611-5038 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 · Sep 18, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202651-20036 contacts →

Exact match

“Providing experienced, high production crews for large-scale utility solar projects.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202651-20033 contacts →

Exact match

“Total Energy Systems (TES) is a leading provider of integrated power generation solutions with market leading equipment, engineering and support guaranteeing dependable and…”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202611-5024 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 · Sep 18, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Sep 18, 2026201-50023 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 · Sep 18, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202651-20022 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 · Sep 18, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202611-5021 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 · Sep 18, 2026 · View company records in RevenueBase
15Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202611-5020 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 · Sep 18, 2026 · View company records in RevenueBase
16Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202651-20019 contacts →

Exact match

“We are a company specialized in the installation of solar energy systems and roof replacement.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
17Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202651-20015 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 · Sep 18, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202611-5015 contacts →

Exact match

“Interior/Exterior Lighting & Electrical Maintenance Lighting Consulting/Design & Energy Analysis Lightbulb & Fixture Distribution Electrical Construction”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202611-5014 contacts →

Exact match

“Texon Solar has you covered!”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202651-20010 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 · Sep 18, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202611-5010 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 · Sep 18, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202651-2007 contacts →

Exact match

“Amperion provides installation, testing, troubleshooting, and commissioning in support of renewable construction.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202651-2006 contacts →

Exact match

“Almika is set on disrupting how electricity is produced and consumed in today’s energy markets.”

Recorded in the RevenueBase company graph · Sep 18, 2026 · View company records in RevenueBase
24Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202611-506 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 · Sep 18, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Sep 18, 202611-505 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 · Sep 18, 2026 · View company records in RevenueBase

Showing 25 of 90 solar integration companies based in Houston, United States

See the full list, filter by size, metro and specialty, and access 529 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Solar integration companies based in Houston, United States at a glance

As of Sep 18, 2026
19.8%Verified-email coverage
29.6Average contacts per company
11-50Median size (employees)
Sep 18, 2026Page data refreshed

Companies by employee count

1-10
20
11-50
36
51-200
23
201-500
7
501-1,000
1
1,001-5,000
3

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 90 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 “solar integration 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 529 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 September 18, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “solar integration companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many solar integration companies are there based in Houston, United States?

RevenueBase identified 90 company matches for solar integration companies associated with Houston, United States as of September 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 solar integration companies?

San Diego leads the United States with 94 company records, followed by Houston (90) and New York (72).

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 529 professional contacts with verified work emails tracked across these 90 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 September 18, 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.