Company lists · Data refreshed October 2026

Top 25 Hvac and electrical contractors based in Houston, United States

Name: Hvac and electrical contractors based in Houston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 14, 2026 223 companies tracked

RevenueBase identified 223 company matches for hvac and electrical contractors associated with Houston, United States as of October 2026 and tracks 4,018 professional contacts across them, including 1,439 with verified work emails. Across the United States, Houston is the largest hub for this category.

This list covers company matches for hvac and electrical contractors 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 14, 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 14, 2026 How this list was built

223Companies

4,018Contacts tracked

1,439Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest hvac and electrical contractors based in Houston, United States

Ranked by team size

Top 25 of 223 company matches for hvac and electrical contractors based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 14, 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	Comfort Systems USA	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	10001+	1,354 contacts →
	Exact match “Comfort Systems USA \| Quality People.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
2	Kilgore Industries, LP	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	501-1,000	251 contacts →
	Exact match “Kilgore Industries, LP offers turnkey mechanical contracting services including electrical and plumbing construction solutions.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
3	Trio Electric	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	201-500	200 contacts →
	Exact match “Trio Electric was founded in 2003.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
4	IES Electrical	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	5,001-10,000	184 contacts →
	Exact match “For over six decades, our locally rooted electrical contractors have delivered solutions grounded in integrity, safety, cost-effectiveness, and uncompromising workmanship.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
5	Abacus Plumbing, AIR Conditioning & Electrical	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	201-500	136 contacts →
	Exact match “We offer superior plumbing, air conditioning, and electrical services to Residential and Commercial clients in Houston,TX.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
6	Custom AIR Products & Services, INC	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	201-500	115 contacts →
	Exact match “Custom Air Products & Services, Inc.(CAPS), an AirX Climate Solutions company, is a full-service HVAC company that specializes in the design, construction, installation…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
7	Gray Mechanical Contractors, LLC	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	51-200	89 contacts →
	Exact match “Gray Mechanical Contractors is a licensed HVAC and Plumbing contractor providing construction services for General Contractors and building owners throughout Texas.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
8	Raven Mechanical, LP	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	51-200	75 contacts →
	Exact match “Raven Mechanical, founded 1979, is a full service mechanical contractor specializing in Plumbing and HVAC service and construction.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
9	Pieper-Houston Electric	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	201-500	72 contacts →
	Exact match “From large-scale design/build projects to small-scale maintenance jobs, you need a commercial electrical contractor who will be by your side from pre-construction through the…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
10	Hometown Services	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	1,001-5,000	70 contacts →
	Exact match “When it comes to maintaining comfort, keeping the lights on and water flowing, no one can compete with hometown heroes.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
11	Har-Con Mechanical	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	51-200	50 contacts →
	Exact match “Founded in 1955, HAR-CON is a full service mechanical contractor well versed in Plumbing and HVAC.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
12	WAY Companies	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	51-200	46 contacts →
	Exact match “Way Companies is a full-service commercial and industrial HVACR contractor delivering mechanical design-build, preventative maintenance, emergency service, retrofits, and building…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
13	Comfort Systems USA	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	51-200	40 contacts →
	Exact match “As a leading HVAC retrofit, design, build, and services firm based in Houston, Comfort Systems USA - South Central specializes in installing, maintaining, and upgrading mechanical…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
14	Infinity Systems, INC	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	51-200	34 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
15	Correct Electric INC Houston	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	51-200	33 contacts →
	Exact match “Since CORRECT Electric’s inception 20-years ago, we have not waived from our core principle of ‘Total Customer Satisfaction’.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
16	Rice-Brothers	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	201-500	28 contacts →
	Exact match “Rice-Brothers \| Industrial & Commercial Construction At Rice-Brothers we specialize in delivering high-performance solutions for industrial and commercial clients.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
17	Colwell Electric	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	11-50	28 contacts →
	Exact match “For more than 30 years, Colwell Electric has been committed to providing high-quality electrical services for residential and commercial clients.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
18	Industrial Electrical Services	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	51-200	26 contacts →
	Exact match “Industrial Electrical Services, Inc.(IES) is a leading provider of commercial and industrial electrical service in the greater Houston area.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
19	Mccune Electrical Services LLC	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	201-500	25 contacts →
	Exact match “Mccune Electrical Services is a leading Electrical Contractor that specializes in delivering high-quality Electrical Services in the commercial, medical, telecommunication, and…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
20	CSNA	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	51-200	25 contacts →
	Exact match “Founded in 2012, Consolidated Services of North America (CSNA) has developed into one of the fastest growing facility service companies in the Gulf Coast Region.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
21	Comflow Mechanical Services	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	51-200	24 contacts →
	Exact match “Established in 2005, Comflow Mechanical Services is a leading provider in commercial HVAC services in Houston, Tx.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
22	Facilities Electric, INC	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	51-200	24 contacts →
	Exact match “Commercial and Residential Electrical Contractor located in Houston, Texas.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
23	K&r Mechanical Services LLC	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	11-50	23 contacts →
	Exact match “We are a full-service commercial HVAC mechanical contractor with over 35 years of experience in the field.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
24	Wired Electrical Services	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	11-50	23 contacts →
	Exact match “Welcome to Wired Electrical Services, your local Houston area’s reliable, family-owned electrical specialist.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
25	A W Mechanical Services, L.P	Exact match	Houston, TX, United StatesHQ recorded Oct 14, 2026	51-200	19 contacts →
	Exact match “A/W Mechanical Services, L.P.” Recorded in the RevenueBase company graph · Oct 14, 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 “hvac and electrical contractors”. 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 223 hvac and electrical contractors based in Houston, United States

See the full list, filter by size, metro and specialty, and access 1,439 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Hvac and electrical contractors based in Houston, United States at a glance

As of Oct 14, 2026

35.8%Verified-email coverage

18.0Average contacts per company

11-50Median size (employees)

Oct 14, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 223 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 “hvac and electrical contractors” 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 1,439 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 14, 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.

Hvac and electrical contractors 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 “hvac and electrical contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hvac and electrical contractors are there based in Houston, United States?

RevenueBase identified 223 company matches for hvac and electrical contractors 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?

Comfort Systems USA 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 hvac and electrical contractors?

Houston leads the United States with 223 company records, followed by New York (154) and San Antonio (102).

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 1,439 professional contacts with verified work emails tracked across these 223 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 14, 2026.

Ready to reach these companies? Verified emails and direct dials for all 223 hvac and electrical contractors based in Houston, United States. Start with a free account, no credit card.

Download this list →

Related lists

Hvac and electrical contractors by geography

Browse the directory

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.