Company lists · Data refreshed October 2026
Top 25 Building systems engineering companies based in Houston, United States
RevenueBase identified 46 company matches for building systems engineering companies associated with Houston, United States as of October 2026 and tracks 3,063 professional contacts across them, including 1,419 with verified work emails. Across the United States, New York is the largest hub for this category (68 companies); Houston follows with 46.
This list covers company matches for building systems engineering 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 October 9, 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 building systems engineering companies based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,354 contacts → | ||||
Exact match “Comfort Systems USA | Quality People.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 2 | 235 contacts → | ||||
Exact match “Founded in 1972, DBR has evolved into the premier MEP engineering firm in Texas, providing mechanical, electrical, and plumbing engineering services, as well as building…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 3 | 138 contacts → | ||||
Exact match “Shah Smith & Associates, Inc.(SSA) is a 120+ employee Mechanical, Electrical, and Plumbing (MEP) consulting engineering firm with offices in Houston, Austin & Dallas.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 4 | 126 contacts → | ||||
Exact match “In 1953, James N.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 5 | 108 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 6 | 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 9, 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 8 | 50 contacts → | ||||
Exact match “Energy Architecture is a specialized architecture firm based in Houston, serving clients at the forefront of innovation, research, and discovery.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 9 | 48 contacts → | ||||
Exact match “MEP Green Design & Build, PLLC,(MEPG) is a full-service engineering firm made up of a dedicated team of professionals offering expertise in Mechanical, Electrical, Plumbing and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 10 | 47 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 · Oct 9, 2026 · View company records in RevenueBase | |||||
| 11 | 43 contacts → | ||||
Exact match “CIVE is a Houston-based, fully integrated design-build firm delivering architecture, engineering, and construction under one roof.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 12 | 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 9, 2026 · View company records in RevenueBase | |||||
| 13 | 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 9, 2026 · View company records in RevenueBase | |||||
| 14 | 26 contacts → | ||||
Exact match “At Collaborative Engineering Group, we believe the best solutions come from working together.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 15 | 19 contacts → | ||||
Exact match “At ESM Engineers, we're artisans in engineering, transforming client visions into plans that exceed standards and codes.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 16 | 16 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 17 | 14 contacts → | ||||
Exact match “We are a service oriented firm that provides professional consulting engineering, design, construction documents for HVAC, Plumbing, Electrical, Fire Protection Systems…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 18 | 12 contacts → | ||||
Exact match “Started in 2006, Garner Fritsche Engineering continually delivers high-quality designs and consulting services to healthcare, institutional and commercial clients.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 19 | 8 contacts → | ||||
Exact match “LEAF Engineers provides comprehensive mechanical, electrical and plumbing/fire protection engineering design services along with technology, AV and security consulting services to…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match “Homeownership | Simplified Residential Building Systems Consulting Day to Day Concierge Support We provide curated technical building solutions for modern home professionals and…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “As an award winning building performance company, our team at BEPC works to ensure that our clients receive top-quality service from expert building contractors.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “Since our founding in 1983 Air Performance Services has been in the business of building partnerships with our clients and providing turn-key commercial Building Services…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “T&D Engineers - Houston Texas.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “We are a consulting firm with over 20 years of experience providing innovative solutions in systems engineering, project management, and engineering for the aerospace and other…” Recorded in the RevenueBase company graph · Oct 9, 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 “building systems engineering 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 46 building systems engineering companies based in Houston, United States
See the full list, filter by size, metro and specialty, and access 1,419 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Building systems engineering companies based in Houston, United States at a glance
As of Oct 9, 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 46 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 “building systems engineering 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 1,419 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 9, 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.
Building systems engineering 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 “building systems engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many building systems engineering companies are there based in Houston, United States?
RevenueBase identified 46 company matches for building systems engineering companies 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 building systems engineering companies?
New York leads the United States with 68 company records, followed by Houston (46) and San Diego (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 1,419 professional contacts with verified work emails tracked across these 46 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 9, 2026.
Ready to reach these companies? Verified emails and direct dials for all 46 building systems engineering companies based in Houston, United States. Start with a free account, no credit card.
Download this list →Related lists
Building systems engineering companies by geography
- Building systems engineering companies based in Melbourne, Australia
- Building systems engineering companies based in Sydney, Australia
- Building systems engineering companies based in Belo Horizonte, Brazil
- Building systems engineering companies based in Sao Paulo, Brazil
- Building systems engineering companies based in Calgary, Canada
- Building systems engineering companies based in Montreal, Canada
- Building systems engineering companies based in Toronto, Canada
- Building systems engineering companies based in Paris, France
- Building systems engineering companies based in Berlin, Germany
- Building systems engineering companies based in Hamburg, Germany
- Building systems engineering companies based in Munich, Germany
- Building systems engineering companies based in Bangalore, India
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
- Building systems engineering companies based in Melbourne, Australia
- Building systems engineering companies based in Sydney, Australia
- Building systems engineering companies based in Belo Horizonte, Brazil
- Building systems engineering companies based in Sao Paulo, Brazil
- Building systems engineering companies based in Calgary, Canada
- Building systems engineering companies based in Montreal, Canada
Company intelligence · public preview
Top 25 building systems engineering 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 46 matching company records for building systems engineering companies based in Houston, United States, with 3,063 tracked contacts and 1,419 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: October 9, 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 building systems engineering 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 | 1,354 contacts → |
“Comfort Systems USA | Quality People.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  DBRdbrinc.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 235 contacts → |
“Founded in 1972, DBR has evolved into the premier MEP engineering firm in Texas, providing mechanical, electrical, and plumbing engineering services, as well as building…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Shah Smith & Associates, INCshahsmith.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 138 contacts → |
“Shah Smith & Associates, Inc.(SSA) is a 120+ employee Mechanical, Electrical, and Plumbing (MEP) consulting engineering firm with offices in Houston, Austin & Dallas.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Letsos Companyletsos.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 126 contacts → |
“In 1953, James N.” Recorded description excerpt · October 9, 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 | 108 contacts → |
“We have earned a reputation as a global leader in Design/Build & Systems Integration for more than 30 years.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Raven Mechanical, LPravenmechanical.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 75 contacts → |
“Raven Mechanical, founded 1979, is a full service mechanical contractor specializing in Plumbing and HVAC service and construction.” Recorded description excerpt · October 9, 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 · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Energy Architecture, INCenergyarch.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 50 contacts → |
“Energy Architecture is a specialized architecture firm based in Houston, serving clients at the forefront of innovation, research, and discovery.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | MEP Green Design & Build, Pllcmepgreendesigns.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 48 contacts → |
“MEP Green Design & Build, PLLC,(MEPG) is a full-service engineering firm made up of a dedicated team of professionals offering expertise in Mechanical, Electrical, Plumbing and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Convergentzconvergentz.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 47 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 · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  CIVEcive.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 43 contacts → |
“CIVE is a Houston-based, fully integrated design-build firm delivering architecture, engineering, and construction under one roof.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Comfort Systems USAcsusasc.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 40 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 · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Rice-Brothersrice-brothers.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 28 contacts → |
“Rice-Brothers | Industrial & Commercial Construction At Rice-Brothers we specialize in delivering high-performance solutions for industrial and commercial clients.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Collaborative Engineering Groupcollaborative-engr.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 26 contacts → |
“At Collaborative Engineering Group, we believe the best solutions come from working together.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ESM Engineersesmengineers.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 19 contacts → |
“At ESM Engineers, we're artisans in engineering, transforming client visions into plans that exceed standards and codes.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Gregory-Edwards, INCgeimech.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 16 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 |  HGE Consulting, INChgeconsulting.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 14 contacts → |
“We are a service oriented firm that provides professional consulting engineering, design, construction documents for HVAC, Plumbing, Electrical, Fire Protection Systems…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Garner Fritsche Engineeringgarnerfritsche.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 12 contacts → |
“Started in 2006, Garner Fritsche Engineering continually delivers high-quality designs and consulting services to healthcare, institutional and commercial clients.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Leaf Engineersleafengineers.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 8 contacts → |
“LEAF Engineers provides comprehensive mechanical, electrical and plumbing/fire protection engineering design services along with technology, AV and security consulting services to…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Wynne Walker Groupwynnewalkergroup.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 8 contacts → |
“Homeownership | Simplified Residential Building Systems Consulting Day to Day Concierge Support We provide curated technical building solutions for modern home professionals and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Bepc LLCbepcllc.comHQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 4 contacts → |
“As an award winning building performance company, our team at BEPC works to ensure that our clients receive top-quality service from expert building contractors.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  APS Building Services INCapsbuildingservices.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 3 contacts → |
“Since our founding in 1983 Air Performance Services has been in the business of building partnerships with our clients and providing turn-key commercial Building Services…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Thomas & Dunne Engineers, LLCtd-engineers.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 3 contacts → |
“T&D Engineers - Houston Texas.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Jones Engineers, L.Pjonesengineers.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 |  Raven Aerospace Technology, INCravenaerospace.comHQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 1 contacts → |
“We are a consulting firm with over 20 years of experience providing innovative solutions in systems engineering, project management, and engineering for the aerospace and other…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 46 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Building systems engineering companies: dataset insights
October 9, 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
46 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 46 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: October 9, 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 ↗
Building systems engineering companies by metro in the United States
Questions about this company list
What does Exact match mean for building systems engineering 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 building systems engineering companies did RevenueBase find based in Houston, United States?
The saved snapshot records 46 matching company records, 3,063 tracked contacts and 1,419 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: October 9, 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
Building systems engineering companies by geography
- Building systems engineering companies based in Melbourne, Australia
- Building systems engineering companies based in Sydney, Australia
- Building systems engineering companies based in Belo Horizonte, Brazil
- Building systems engineering companies based in Sao Paulo, Brazil
- Building systems engineering companies based in Calgary, Canada
- Building systems engineering companies based in Montreal, Canada
- Building systems engineering companies based in Toronto, Canada
- Building systems engineering companies based in Paris, France
- Building systems engineering companies based in Berlin, Germany
- Building systems engineering companies based in Hamburg, Germany
- Building systems engineering companies based in Munich, Germany
- Building systems engineering companies based in Bangalore, India
Cite this list
RevenueBase Data Team. Top 25 building systems engineering companies based in Houston, United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/building-systems-engineering-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
- Building systems engineering companies based in Melbourne, Australia
- Building systems engineering companies based in Sydney, Australia
- Building systems engineering companies based in Belo Horizonte, Brazil
- Building systems engineering companies based in Sao Paulo, Brazil
- Building systems engineering companies based in Calgary, Canada
- Building systems engineering companies based in Montreal, Canada
Company intelligence · public preview
Top 25 building systems engineering companies based in Houston, United States
RevenueBase records 46 matching company records for building systems engineering companies based in Houston, United States, with 3,063 tracked contacts and 1,419 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: October 9, 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 building systems engineering 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 | 1,354 contacts → |
“Comfort Systems USA | Quality People.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | DBRdbrinc.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 235 contacts → |
“Founded in 1972, DBR has evolved into the premier MEP engineering firm in Texas, providing mechanical, electrical, and plumbing engineering services, as well as building…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Shah Smith & Associates, INCshahsmith.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 138 contacts → |
“Shah Smith & Associates, Inc.(SSA) is a 120+ employee Mechanical, Electrical, and Plumbing (MEP) consulting engineering firm with offices in Houston, Austin & Dallas.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Letsos Companyletsos.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 126 contacts → |
“In 1953, James N.” Recorded description excerpt · October 9, 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 | 108 contacts → |
“We have earned a reputation as a global leader in Design/Build & Systems Integration for more than 30 years.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Raven Mechanical, LPravenmechanical.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 75 contacts → |
“Raven Mechanical, founded 1979, is a full service mechanical contractor specializing in Plumbing and HVAC service and construction.” Recorded description excerpt · October 9, 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 · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Energy Architecture, INCenergyarch.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 50 contacts → |
“Energy Architecture is a specialized architecture firm based in Houston, serving clients at the forefront of innovation, research, and discovery.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | MEP Green Design & Build, Pllcmepgreendesigns.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 48 contacts → |
“MEP Green Design & Build, PLLC,(MEPG) is a full-service engineering firm made up of a dedicated team of professionals offering expertise in Mechanical, Electrical, Plumbing and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Convergentzconvergentz.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 47 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 · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | CIVEcive.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 43 contacts → |
“CIVE is a Houston-based, fully integrated design-build firm delivering architecture, engineering, and construction under one roof.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Comfort Systems USAcsusasc.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 40 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 · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Rice-Brothersrice-brothers.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 28 contacts → |
“Rice-Brothers | Industrial & Commercial Construction At Rice-Brothers we specialize in delivering high-performance solutions for industrial and commercial clients.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Collaborative Engineering Groupcollaborative-engr.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 26 contacts → |
“At Collaborative Engineering Group, we believe the best solutions come from working together.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ESM Engineersesmengineers.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 19 contacts → |
“At ESM Engineers, we're artisans in engineering, transforming client visions into plans that exceed standards and codes.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Gregory-Edwards, INCgeimech.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 16 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | HGE Consulting, INChgeconsulting.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 14 contacts → |
“We are a service oriented firm that provides professional consulting engineering, design, construction documents for HVAC, Plumbing, Electrical, Fire Protection Systems…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Garner Fritsche Engineeringgarnerfritsche.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 12 contacts → |
“Started in 2006, Garner Fritsche Engineering continually delivers high-quality designs and consulting services to healthcare, institutional and commercial clients.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Leaf Engineersleafengineers.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 8 contacts → |
“LEAF Engineers provides comprehensive mechanical, electrical and plumbing/fire protection engineering design services along with technology, AV and security consulting services to…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Wynne Walker Groupwynnewalkergroup.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 8 contacts → |
“Homeownership | Simplified Residential Building Systems Consulting Day to Day Concierge Support We provide curated technical building solutions for modern home professionals and…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Bepc LLCbepcllc.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 4 contacts → |
“As an award winning building performance company, our team at BEPC works to ensure that our clients receive top-quality service from expert building contractors.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | APS Building Services INCapsbuildingservices.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 3 contacts → |
“Since our founding in 1983 Air Performance Services has been in the business of building partnerships with our clients and providing turn-key commercial Building Services…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Thomas & Dunne Engineers, LLCtd-engineers.com HQ: Houston, TX, United StatesReported employees: 11-50 | Houston, TX, United States | 11-50 | Exact match | 3 contacts → |
“T&D Engineers - Houston Texas.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Jones Engineers, L.Pjonesengineers.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Raven Aerospace Technology, INCravenaerospace.com HQ: Houston, TX, United StatesReported employees: 1-10 | Houston, TX, United States | 1-10 | Exact match | 1 contacts → |
“We are a consulting firm with over 20 years of experience providing innovative solutions in systems engineering, project management, and engineering for the aerospace and other…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 46 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Building systems engineering companies: dataset insights
October 9, 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
46 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 46 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: October 9, 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 ↗
Building systems engineering companies by metro in the United States
Questions about this company list
What does Exact match mean for building systems engineering 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 building systems engineering companies did RevenueBase find based in Houston, United States?
The saved snapshot records 46 matching company records, 3,063 tracked contacts and 1,419 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: October 9, 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
Building systems engineering companies by geography
- Building systems engineering companies based in Melbourne, Australia
- Building systems engineering companies based in Sydney, Australia
- Building systems engineering companies based in Belo Horizonte, Brazil
- Building systems engineering companies based in Sao Paulo, Brazil
- Building systems engineering companies based in Calgary, Canada
- Building systems engineering companies based in Montreal, Canada
- Building systems engineering companies based in Toronto, Canada
- Building systems engineering companies based in Paris, France
- Building systems engineering companies based in Berlin, Germany
- Building systems engineering companies based in Hamburg, Germany
- Building systems engineering companies based in Munich, Germany
- Building systems engineering companies based in Bangalore, India
Cite this list
RevenueBase Data Team. Top 25 building systems engineering companies based in Houston, United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/building-systems-engineering-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
- Building systems engineering companies based in Melbourne, Australia
- Building systems engineering companies based in Sydney, Australia
- Building systems engineering companies based in Belo Horizonte, Brazil
- Building systems engineering companies based in Sao Paulo, Brazil
- Building systems engineering companies based in Calgary, Canada
- Building systems engineering companies based in Montreal, Canada