Company lists · Data refreshed September 2026
Top 25 Facility automation companies based in Houston, United States
RevenueBase identified 62 company matches for facility automation companies associated with Houston, United States as of September 2026 and tracks 2,506 professional contacts across them, including 1,033 with verified work emails. Across the United States, Houston is the largest hub for this category.
This list covers company matches for facility automation 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 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.
The 25 largest facility automation companies based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | 115 contacts → | ||||
Exact match “In 1953, James N.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 112 contacts → | ||||
Exact match “Since 1993, DAC has been committed to delivering exceptional customer experience, effective project execution, and value-oriented services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 101 contacts → | ||||
Exact match “Unify Energy Solutions is a Building Automation Systems provider in Houston, Beaumont; Central, and South Texas; as well as Colorado and Wyoming.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 87 contacts → | ||||
Exact match “We have earned a reputation as a global leader in Design/Build & Systems Integration for more than 30 years.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 85 contacts → | ||||
Exact match “APS is dedicated to building partnerships that enhance the comfort and productivity of our clients and their teams in the workplace.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 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 | |||||
| 8 | 42 contacts → | ||||
Exact match “As a technology leader and master systems integrator, Convergentz integrates IT and traditional building system functions to improve Building Performance, Environmental Comfort…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 42 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 41 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 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 | |||||
| 12 | 30 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 28 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 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 | |||||
| 15 | 18 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 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 | |||||
| 17 | 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 | |||||
| 18 | 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 | |||||
| 19 | 14 contacts → | ||||
Exact match “Air Tech of Houston is a customer focused heating and air-conditioning company that was originally started in 1985.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 11 contacts → | ||||
Exact match “UJ GROUP has been trading varieties of products since 1998.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 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 | |||||
| 22 | 8 contacts → | ||||
Exact match “Unlimited Integration is a company based out of 5810 Cypress St, Houston, Texas, United States.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “At Verge when it comes to maintaining your building systems & staying operational that the answer exists in preventing the problem, not fixing the problem.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “Industrial Control Systems Engineering started is an Automation & Controls company.” 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 automation companies”. 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 62 facility automation companies based in Houston, United States
See the full list, filter by size, metro and specialty, and access 1,033 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Facility automation companies based in Houston, United States at a glance
As of Sep 16, 2026Companies by employee count
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 62 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 automation 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 1,033 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 automation companies 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 automation companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many facility automation companies are there based in Houston, United States?
RevenueBase identified 62 company matches for facility automation 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?
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 automation companies?
Houston leads the United States with 62 company records, followed by New York (59) and Miami (32).
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 1,033 professional contacts with verified work emails tracked across these 62 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.
Ready to reach these companies? Verified emails and direct dials for all 62 facility automation companies based in Houston, United States. Start with a free account, no credit card.
Download this list →Related lists
Facility automation companies by geography
- Facility automation companies based in Rio De Janeiro, Brazil
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- Facility automation companies based in Ahmedabad, India
- Facility automation companies based in Bangalore, India
- Facility automation companies based in Chennai, India
- Facility automation companies based in Hyderabad, India
- Facility automation companies based in Mumbai, India
- Facility automation companies based in Pune, India
- Facility automation companies based in Charlotte, United States
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Facility automation companies based in Rio De Janeiro, Brazil
- Facility automation companies based in Sao Paulo, Brazil
- Facility automation companies based in Calgary, Canada
- Facility automation companies based in Mississauga, Canada
- Facility automation companies based in Toronto, Canada
- Facility automation companies based in Ahmedabad, India
Company intelligence · public preview
Top 25 facility automation companies based in Houston, United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 62 matching company records for facility automation companies based in Houston, United States, with 2,506 tracked contacts and 1,033 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 facility automation companies based in Houston, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Comfort Systems USAcomfortsystemsusa.comHQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 1,330 contacts → |
“Comfort Systems USA | Quality People.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Letsos Companyletsos.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 115 contacts → |
“In 1953, James N.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Dac, INCdac-inc.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 112 contacts → |
“Since 1993, DAC has been committed to delivering exceptional customer experience, effective project execution, and value-oriented services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Unify Energy Solutionsunifytexas.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 101 contacts → |
“Unify Energy Solutions is a Building Automation Systems provider in Houston, Beaumont; Central, and South Texas; as well as Colorado and Wyoming.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Soap Engineering, LLCsoapeng.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 87 contacts → |
“We have earned a reputation as a global leader in Design/Build & Systems Integration for more than 30 years.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  APS Building Servicesapsbuildingservices.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 85 contacts → |
“APS is dedicated to building partnerships that enhance the comfort and productivity of our clients and their teams in the workplace.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Har-Con Mechanicalhar-con.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 50 contacts → |
“Founded in 1955, HAR-CON is a full service mechanical contractor well versed in Plumbing and HVAC.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Convergentzconvergentz.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 42 contacts → |
“As a technology leader and master systems integrator, Convergentz integrates IT and traditional building system functions to improve Building Performance, Environmental Comfort…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  WAY Companiesthewaycompanies.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 42 contacts → |
“Way Companies is a full-service commercial and industrial HVACR contractor delivering mechanical design-build, preventative maintenance, emergency service, retrofits, and building…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Comfort Systems USAcsusasc.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 41 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  RDI Mechanicalrdimechanical.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 39 contacts → |
“Since RDI Mechanical has been Houston's go-to commercial HVAC and mechanical contractor.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Infinity Systems, INCinfinity-tx.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 30 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 |  ICP DAS Usa, INCicpdasusa.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 28 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | CSNAcsnatx.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 24 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Gregory-Edwards, INCgeimech.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 18 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Facilities Mechanicalfacilitiesmechanical.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 17 contacts → |
“Facilities Mechanical is a facilities services company based out of 12933 Brittmoore Park Dr, Houston, Texas, United States.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Rice-Brothersrice-brothers.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 16 contacts → |
“Rice-Brothers | Industrial & Commercial Construction At Rice-Brothers we specialize in delivering high-performance solutions for industrial and commercial clients.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Cook Mechanical, INCcookmechanical.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 14 contacts → |
“Cook Mechanical is a HVAC contractor serving the greater Houston area.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  AIR Tech Of Houstonairtechofhouston.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 14 contacts → |
“Air Tech of Houston is a customer focused heating and air-conditioning company that was originally started in 1985.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  UJ Groupujgrp.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 11 contacts → |
“UJ GROUP has been trading varieties of products since 1998.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Southland Mechanicalsouthlandmech.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 10 contacts → |
“Southland Mechanical is a premier commercial and industrial HVAC construction and service provider delivering industrial-strength HVAC solutions across the Houston metropolitan…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Unlimited Integrationunlimitedintegration.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 8 contacts → |
“Unlimited Integration is a company based out of 5810 Cypress St, Houston, Texas, United States.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Easy Aireeasyaire.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Verge Climatevergeclimate.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 4 contacts → |
“At Verge when it comes to maintaining your building systems & staying operational that the answer exists in preventing the problem, not fixing the problem.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Industrial CSEindustrialcse.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 3 contacts → |
“Industrial Control Systems Engineering started is an Automation & Controls company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 62 company matches
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Facility automation companies: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
62 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 62 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Facility automation companies by metro in the United States
Questions about this company list
What does Exact match mean for facility automation companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many facility automation companies did RevenueBase find based in Houston, United States?
The saved snapshot records 62 matching company records, 2,506 tracked contacts and 1,033 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Facility automation companies by geography
- Facility automation companies based in Rio De Janeiro, Brazil
- Facility automation companies based in Sao Paulo, Brazil
- Facility automation companies based in Calgary, Canada
- Facility automation companies based in Mississauga, Canada
- Facility automation companies based in Toronto, Canada
- Facility automation companies based in Ahmedabad, India
- Facility automation companies based in Bangalore, India
- Facility automation companies based in Chennai, India
- Facility automation companies based in Hyderabad, India
- Facility automation companies based in Mumbai, India
- Facility automation companies based in Pune, India
- Facility automation companies based in Charlotte, United States
Cite this list
RevenueBase Data Team. Top 25 facility automation companies based in Houston, United States. Snapshot: September 16, 2026. https://revenuebase.ai/companies/facility-automation-companies/united-states/houston.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Facility automation companies based in Rio De Janeiro, Brazil
- Facility automation companies based in Sao Paulo, Brazil
- Facility automation companies based in Calgary, Canada
- Facility automation companies based in Mississauga, Canada
- Facility automation companies based in Toronto, Canada
- Facility automation companies based in Ahmedabad, India
Company intelligence · public preview
Top 25 facility automation companies based in Houston, United States
RevenueBase records 62 matching company records for facility automation companies based in Houston, United States, with 2,506 tracked contacts and 1,033 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 facility automation companies based in Houston, United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Comfort Systems USAcomfortsystemsusa.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 1,330 contacts → |
“Comfort Systems USA | Quality People.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Letsos Companyletsos.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 115 contacts → |
“In 1953, James N.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Dac, INCdac-inc.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 112 contacts → |
“Since 1993, DAC has been committed to delivering exceptional customer experience, effective project execution, and value-oriented services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Unify Energy Solutionsunifytexas.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 101 contacts → |
“Unify Energy Solutions is a Building Automation Systems provider in Houston, Beaumont; Central, and South Texas; as well as Colorado and Wyoming.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Soap Engineering, LLCsoapeng.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 87 contacts → |
“We have earned a reputation as a global leader in Design/Build & Systems Integration for more than 30 years.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | APS Building Servicesapsbuildingservices.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 85 contacts → |
“APS is dedicated to building partnerships that enhance the comfort and productivity of our clients and their teams in the workplace.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Har-Con Mechanicalhar-con.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 50 contacts → |
“Founded in 1955, HAR-CON is a full service mechanical contractor well versed in Plumbing and HVAC.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Convergentzconvergentz.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 42 contacts → |
“As a technology leader and master systems integrator, Convergentz integrates IT and traditional building system functions to improve Building Performance, Environmental Comfort…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | WAY Companiesthewaycompanies.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 42 contacts → |
“Way Companies is a full-service commercial and industrial HVACR contractor delivering mechanical design-build, preventative maintenance, emergency service, retrofits, and building…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Comfort Systems USAcsusasc.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 41 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | RDI Mechanicalrdimechanical.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 39 contacts → |
“Since RDI Mechanical has been Houston's go-to commercial HVAC and mechanical contractor.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Infinity Systems, INCinfinity-tx.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 30 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | ICP DAS Usa, INCicpdasusa.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 28 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | CSNAcsnatx.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 24 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Gregory-Edwards, INCgeimech.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 18 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | Facilities Mechanicalfacilitiesmechanical.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 17 contacts → |
“Facilities Mechanical is a facilities services company based out of 12933 Brittmoore Park Dr, Houston, Texas, United States.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Rice-Brothersrice-brothers.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 16 contacts → |
“Rice-Brothers | Industrial & Commercial Construction At Rice-Brothers we specialize in delivering high-performance solutions for industrial and commercial clients.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cook Mechanical, INCcookmechanical.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 14 contacts → |
“Cook Mechanical is a HVAC contractor serving the greater Houston area.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | AIR Tech Of Houstonairtechofhouston.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 14 contacts → |
“Air Tech of Houston is a customer focused heating and air-conditioning company that was originally started in 1985.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | UJ Groupujgrp.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 11 contacts → |
“UJ GROUP has been trading varieties of products since 1998.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Southland Mechanicalsouthlandmech.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 10 contacts → |
“Southland Mechanical is a premier commercial and industrial HVAC construction and service provider delivering industrial-strength HVAC solutions across the Houston metropolitan…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Unlimited Integrationunlimitedintegration.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 8 contacts → |
“Unlimited Integration is a company based out of 5810 Cypress St, Houston, Texas, United States.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Easy Aireeasyaire.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 4 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Verge Climatevergeclimate.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 4 contacts → |
“At Verge when it comes to maintaining your building systems & staying operational that the answer exists in preventing the problem, not fixing the problem.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Industrial CSEindustrialcse.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 3 contacts → |
“Industrial Control Systems Engineering started is an Automation & Controls company.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 62 company matches
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Facility automation companies: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
62 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 62 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Facility automation companies by metro in the United States
Questions about this company list
What does Exact match mean for facility automation companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many facility automation companies did RevenueBase find based in Houston, United States?
The saved snapshot records 62 matching company records, 2,506 tracked contacts and 1,033 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 facility automation companies based in Houston, United States. Snapshot: September 16, 2026. https://revenuebase.ai/companies/facility-automation-companies/united-states/houston.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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