Company lists · Data refreshed September 2026

Top 25 Facility maintenance contractors based in Houston, United States

Name: Facility maintenance contractors 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 137 companies tracked

RevenueBase identified 137 company matches for facility maintenance contractors associated with Houston, United States as of September 2026 and tracks 3,424 professional contacts across them, including 1,210 with verified work emails. Across the United States, New York is the largest hub for this category (165 companies); Houston follows with 137.

This list covers company matches for facility maintenance 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 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

137Companies

3,424Contacts tracked

1,210Verified emails

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The 25 largest facility maintenance contractors based in Houston, United States

Ranked by team size

Top 25 of 137 company matches for facility maintenance contractors 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	Comfort Systems USA	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	10001+	1,330 contacts →
	Exact match “Comfort Systems USA \| Quality People.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2	Partner Industrial	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	1,001-5,000	353 contacts →
	Exact match “Partner Industrial is a preferred and trusted provider of specialty maintenance services to the downstream energy, power generation, and industrial markets.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3	Camp Facility Services	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	201-500	286 contacts →
	Exact match “CAMP Facility Services has been a trusted leader in the facility and construction management industry since 1978.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4	Mclemore Building Maintenance, INC	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	501-1,000	170 contacts →
	Exact match “McLemore Building Maintenance was founded in 1970 and thanks to the dedication of our team who earn our clients’ business each and every day.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5	Abacus Plumbing, AIR Conditioning & Electrical	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	201-500	138 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 · Sep 16, 2026 · View company records in RevenueBase
6	Metroclean	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	1,001-5,000	75 contacts →
	Exact match “Metroclean is a facility management services provider committed to bringing peace of mind to customers through quality work.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7	Raven Mechanical, LP	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	51-200	72 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 · Sep 16, 2026 · View company records in RevenueBase
8	DTK Janitorial & Landscaping	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	1,001-5,000	70 contacts →
	Exact match “Founded in 1996, DTK is a Texas-based facility services company dedicated to enhancing facilities and lives.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9	Aztec Facility Services	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	501-1,000	68 contacts →
	Exact match “Aztec Facility Services is your Facility Management Solutions!” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10	Ambassador Services, LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	501-1,000	59 contacts →
	Exact match “Ambassador Services has decades of experience in providing reliable facility maintenance and grounds services designed to bring you peace of mind.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11	Har-Con Mechanical	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 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 · Sep 16, 2026 · View company records in RevenueBase
12	RDI Mechanical	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	51-200	39 contacts →
	Exact match “Since RDI Mechanical has been Houston's go-to commercial HVAC and mechanical contractor.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13	Infinity Systems, INC	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	51-200	30 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14	Jobs-Amst	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	51-200	29 contacts →
	Exact match “Since 1970, JOBS-AMST has helped building owners and property managers across Houston and throughout Texas protect, preserve, and extend the life of their buildings.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15	Lighthouse Environmental Services, INC	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	51-200	26 contacts →
	Exact match “Lighthouse Environmental Services, Inc is an innovative service provider that continually offers the highest quality personnel and specialized equipment.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16	CSNA	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	51-200	24 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 · Sep 16, 2026 · View company records in RevenueBase
17	bldg.works	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	1,001-5,000	23 contacts →
	Exact match “We are more than just another bldg maintenance or janitorial services contractor.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18	CS Mechanical CO	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	51-200	19 contacts →
	Exact match “Looking for reliable commercial HVAC, plumbing, and electrical services in Texas?” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19	Facilities Mechanical	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	17 contacts →
	Exact match “Facilities Mechanical is a facilities services company based out of 12933 Brittmoore Park Dr, Houston, Texas, United States.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20	Maintenance Of Houston, INC	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	201-500	17 contacts →
	Exact match “For over forty years, Maintenance of Houston, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
21	Rice-Brothers	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	201-500	16 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 · Sep 16, 2026 · View company records in RevenueBase
22	Cook Mechanical, INC	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	51-200	14 contacts →
	Exact match “Cook Mechanical is a HVAC contractor serving the greater Houston area.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
23	STAOC	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	14 contacts →
	Exact match “STAOC is built on a foundation of integrity and team work to help get any job done efficiently and correctly the first time.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
24	Southland Mechanical	Exact match	Houston, TX, United StatesHQ recorded Sep 16, 2026	11-50	10 contacts →
	Exact match “Southland Mechanical is a premier commercial and industrial HVAC construction and service provider delivering industrial-strength HVAC solutions across the Houston metropolitan…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
25	Goldstone Exterior Services	Exact match	Houston, United StatesHQ recorded Sep 16, 2026	11-50	10 contacts →
	Exact match “Goldstone Exterior Services is a leading, full service provider of quality exterior preservation and maintenance services, serving the needs of asset owners, operators and…” 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 “facility maintenance 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 137 facility maintenance contractors based in Houston, United States

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Facility maintenance contractors based in Houston, United States at a glance

As of Sep 16, 2026

35.3%Verified-email coverage

25.0Average contacts per company

11-50Median size (employees)

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

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 137 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 “facility maintenance 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 1,210 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.

Facility maintenance 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 “facility maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many facility maintenance contractors are there based in Houston, United States?

RevenueBase identified 137 company matches for facility maintenance contractors 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?

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 facility maintenance contractors?

New York leads the United States with 165 company records, followed by Houston (137) and Atlanta (97).

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 1,210 professional contacts with verified work emails tracked across these 137 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.