Company lists · Data refreshed September 2026

Top 25 Commercial solar design firms based in Houston, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 108 companies tracked

RevenueBase identified 108 company matches for commercial solar design firms associated with Houston, United States as of September 2026 and tracks 1,461 professional contacts across them, including 463 with verified work emails. Across the United States, New York is the largest hub for this category (153 companies); Houston follows with 108.

This list covers company matches for commercial solar design firms 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 16, 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 16, 2026 How this list was built

108Companies

1,461Contacts tracked

463Verified emails

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The 25 largest commercial solar design firms based in Houston, United States

Ranked by team size

Top 25 of 108 company matches for commercial solar design firms based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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	Signal Energy	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	1,001-5,000	409 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 16, 2026 · View company records in RevenueBase
2	KDW	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	51-200	74 contacts →
	Exact match “KDW is headquartered in Houston and serves both domestic and international clients.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3	Abel Design Group	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	67 contacts →
	Exact match “Founded in Houston, Texas in 2001, Abel Design Group (ADG) is an award-winning architecture and interior design firm specializing in corporate, hospitality, higher education…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4	Harrisonkornberg Architects	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	49 contacts →
	Exact match “Founded in 2003, HarrisonKornberg Architects provides a full range of high-quality architectural services to the Texas market and beyond.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5	SLI Group, INC	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	46 contacts →
	Exact match “SLI Group, Inc, founded in 1976, is a fully integrated commercial design build firm.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6	Fastrac Energy Services	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 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 · Sep 16, 2026 · View company records in RevenueBase
7	Integratesun	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	38 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 16, 2026 · View company records in RevenueBase
8	Identity Architects	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	34 contacts →
	Exact match “Founded in Houston, Identity Architecture is a commercial architecture firm specializing in master planning, architecture, interior design, and design-build options.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9	Peterson Scharck & Associates	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	30 contacts →
	Exact match “Combining the best in architectural and commercial lighting & controls with experienced professionals to provide innovative solutions.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10	Bioeco Energy	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 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 · Sep 16, 2026 · View company records in RevenueBase
11	Lonestar Solar Services	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 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 · Sep 16, 2026 · View company records in RevenueBase
12	Sunshine Renewable Solutions	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	21 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 16, 2026 · View company records in RevenueBase
13	Solstice Solar	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 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 · Sep 16, 2026 · View company records in RevenueBase
14	Zolarzo	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	51-200	19 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 16, 2026 · View company records in RevenueBase
15	Marie Flanigan Interiors	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	18 contacts →
	Exact match “Marie Flanigan Interiors is a full-service interior design firm that manages projects around the country.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16	Outdoor Elements, TX	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	18 contacts →
	Exact match “Outdoor Elements is a premier construction design-build company specializing in a diverse array of services meticulously crafted for commercial projects.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17	Hargrave Electric	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	51-200	17 contacts →
	Exact match “Hargrave Electric is the premier design build electrical contractor located in Houston, TX.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18	Browne Mcgregor Architects INC	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	16 contacts →
	Exact match “Founded in 1995 Browne McGregor Architects is a mid-sized architectural firm specializing in the design of aesthetically pleasing, highly functional, sustainable buildings.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19	Loma Architecture	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	16 contacts →
	Exact match “LOMA Architecture is a full-service architectural firm based in Houston, Texas.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20	Victory Lighting Services INC	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	15 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 16, 2026 · View company records in RevenueBase
21	LA Architects, LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	14 contacts →
	Exact match “Architectural Design Services specializing in retail commercial, banking, medical, hospitality, office and industrial building types.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
22	Texon Solar Energy LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	14 contacts →
	Exact match “Texon Solar has you covered!” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23	LO Architecture	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	1-10	11 contacts →
	Exact match “LO architecture provides commercial architectural and consulting services, from feasibility studies and conceptual design to permitting and construction administration.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24	Gandy Lighting Design - G2ld	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	1-10	11 contacts →
	Exact match “G2LD is a HUB certified Architectural Lighting Design Company that offers the following services: Full lighting consultation and design services including Schematic Design, Design…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25	Synchro	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	10 contacts →
	Exact match “Synchro is a Houston-based design and construction firm serving clients across Texas and Louisiana with fully integrated planning, architecture, and commercial construction…” Recorded in the RevenueBase company graph · Sep 16, 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 design firms”. 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 108 commercial solar design firms based in Houston, United States

See the full list, filter by size, metro and specialty, and access 463 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Commercial solar design firms based in Houston, United States at a glance

As of Sep 16, 2026

31.7%Verified-email coverage

13.5Average contacts per company

11-50Median size (employees)

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 108 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 design firms” 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 463 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 16, 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 design firms 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 design firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many commercial solar design firms are there based in Houston, United States?

RevenueBase identified 108 company matches for commercial solar design firms 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?

Signal 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 design firms?

New York leads the United States with 153 company records, followed by Houston (108) and Los Angeles (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 463 professional contacts with verified work emails tracked across these 108 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 16, 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.