Company lists · Data refreshed October 2026
Top 25 Building systems commissioning services based in the United States
RevenueBase identified 826 company matches for building systems commissioning services associated with the United States as of October 2026 and tracks 24,050 professional contacts across them, including 10,525 with verified work emails. Houston is the largest hub.
This list covers company matches for building systems commissioning services associated with the 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 commissioning services based in the 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 | 1,088 contacts → | ||||
Exact match “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 3 | 1,016 contacts → | ||||
Exact match “CMTA is part of Legence, a Nasdaq Listed company.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 4 | 835 contacts → | ||||
Exact match “Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 5 | 482 contacts → | ||||
Exact match “Founded in 2005, the vision behind Primary Integration (PI) was to build the most elite mission critical commissioning/data center commissioning and operational risk management…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 6 | 410 contacts → | ||||
Exact match “We are powered by the best people in the industry.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 7 | 359 contacts → | ||||
Exact match “Whether building quality work environments, valuable relationships or community ties, Air Systems never cuts corners.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 8 | 349 contacts → | ||||
Exact match “United Mechanical specializes in HVAC and Plumbing systems design, construction, retrofit, repair, and 24/7 emergency service for commercial and industrial properties throughout…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 9 | 299 contacts → | ||||
Exact match “The Hill Group is a Chicago-based mechanical contractor specializing in HVAC, plumbing, fire protection, testing/balancing, and commissioning.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 10 | 240 contacts → | ||||
Exact match “As one of the largest full service mechanical contractors headquartered in the Pacific Northwest, Holaday Parks has grown well beyond Seattle.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 11 | 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 | |||||
| 12 | 230 contacts → | ||||
Exact match “Zodiac, Inc.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 13 | 221 contacts → | ||||
Exact match “GHT provides innovative mechanical, electrical, and plumbing (MEP) engineering solutions for the built environment.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 14 | 210 contacts → | ||||
Exact match “Pueblo was founded in Arizona to achieve sustained and profitable growth by providing services that consistently satisfy the needs and expectations of its customers.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 15 | 203 contacts → | ||||
Exact match “Haynes Mechanical Systems has been keeping commercial buildings running strong since 1968.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 16 | 203 contacts → | ||||
Exact match “MLN has provided the best systems and services in mechanical contracting for nearly three decades.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 17 | 202 contacts → | ||||
Exact match “MAXAIR Mechanical, founded in 1988, is a people first company.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 18 | 195 contacts → | ||||
Exact match “EMCOR Services New England Mechanical Services (NEMSI) offers a full range of mechanical, electrical, plumbing, sheetmetal, building automation, and facilities services that…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 19 | 190 contacts → | ||||
Exact match “TOTAL Mechanical is a single-source mechanical contractor, specializing in the design, engineering, manufacturing, installation, maintenance and repair of commercial, industrial…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 20 | 185 contacts → | ||||
Exact match “Robert Derector Associates is a full service engineering firm with a local feel and a global reach.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 21 | 184 contacts → | ||||
Exact match “Backed by 80 years of experience, the more than 300 associates at EMCOR Services Aircond design and deliver comprehensive, timely, and cost effective HVAC and building system…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 22 | 183 contacts → | ||||
Exact match “Comfort Systems USA Southeast is one of the largest commercial mechanical an plumbing contractors and service providers executing 150M+ in revenue annually across the southeast.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 23 | 179 contacts → | ||||
Exact match “Metro Group Has Been the Trusted Source for Building Solutions Since 1925 Metro Group is a leading provider of comprehensive building services along the East Coast.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 24 | 171 contacts → | ||||
Exact match “Rubicon Technical Services (RTS) offers innovative solutions for commissioning, testing, optimizing, operating, and maintaining critical facilities that depend on electrical…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 25 | 163 contacts → | ||||
Exact match “Founded in 1954, Newcomb and Company is a full-service mechanical contractor providing customers in the commercial, residential, and industrial sectors with innovative…” 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 commissioning services”. 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 826 building systems commissioning services based in the United States
See the full list, filter by size, metro and specialty, and access 10,525 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Building systems commissioning services based in the United States at a glance
As of Oct 9, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 826 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 the United States whose business descriptions match “building systems commissioning services” 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 10,525 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.
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 commissioning services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many building systems commissioning services are there based in the United States?
RevenueBase identified 826 company matches for building systems commissioning services associated with the 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 has the most building systems commissioning services?
Houston leads with 21 company records, followed by New York (17) and San Diego (11).
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 10,525 professional contacts with verified work emails tracked across these 826 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 826 building systems commissioning services based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Building systems commissioning services by geography
- Building systems commissioning services based in London, United Kingdom
- Building systems commissioning services based in Australia
- Building systems commissioning services based in Brazil
- Building systems commissioning services based in Canada
- Building systems commissioning services based in France
- Building systems commissioning services based in the United Arab Emirates
- Building systems commissioning services based in the United Kingdom
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 commissioning services based in London, United Kingdom
- Building systems commissioning services based in Australia
- Building systems commissioning services based in Brazil
- Building systems commissioning services based in Canada
- Building systems commissioning services based in France
- Building systems commissioning services based in the United Arab Emirates
Company intelligence · public preview
Top 25 building systems commissioning services based in the 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 826 matching company records for building systems commissioning services based in the United States, with 24,050 tracked contacts and 10,525 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 commissioning services based in the 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 |  Mckenney's, INCmckenneys.comHQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 1,088 contacts → |
“McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Cmta, INCcmta.comHQ: Louisville, KY, United StatesReported employees: 501-1,000 | Louisville, KY, United States | 501-1,000 | Exact match | 1,016 contacts → |
“CMTA is part of Legence, a Nasdaq Listed company.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Syska Hennessy Groupsyska.comHQ: New York, United StatesReported employees: 501-1,000 | New York, United States | 501-1,000 | Exact match | 835 contacts → |
“Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Bureau Veritas Primary Integrationprimaryintegration.com HQ: Mclean, VA, United StatesReported employees: 201-500 | Mclean, VA, United States | 201-500 | Exact match | 482 contacts → |
“Founded in 2005, the vision behind Primary Integration (PI) was to build the most elite mission critical commissioning/data center commissioning and operational risk management…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | John W. Danforth Companyjwdanforth.com HQ: Tonawanda, NY, United StatesReported employees: 501-1,000 | Tonawanda, NY, United States | 501-1,000 | Exact match | 410 contacts → |
“We are powered by the best people in the industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  AIR Systems, INCairsystemsinc.comHQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 359 contacts → |
“Whether building quality work environments, valuable relationships or community ties, Air Systems never cuts corners.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  United Mechanicalumi1.comHQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 349 contacts → |
“United Mechanical specializes in HVAC and Plumbing systems design, construction, retrofit, repair, and 24/7 emergency service for commercial and industrial properties throughout…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | The Hill Grouphillgrp.com HQ: Franklin Park, IL, United StatesReported employees: 501-1,000 | Franklin Park, IL, United States | 501-1,000 | Exact match | 299 contacts → |
“The Hill Group is a Chicago-based mechanical contractor specializing in HVAC, plumbing, fire protection, testing/balancing, and commissioning.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Holaday-Parks, INCholadayparks.com HQ: Tukwila, WA, United StatesReported employees: 201-500 | Tukwila, WA, United States | 201-500 | Exact match | 240 contacts → |
“As one of the largest full service mechanical contractors headquartered in the Pacific Northwest, Holaday Parks has grown well beyond Seattle.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  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. | |||||
| 12 | Zodiaczodinc.com HQ: St. Louis, MO, United StatesReported employees: Not recorded | St. Louis, MO, United States | Not recorded | Exact match | 230 contacts → |
“Zodiac, Inc.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  GHTghtltd.comHQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 221 contacts → |
“GHT provides innovative mechanical, electrical, and plumbing (MEP) engineering solutions for the built environment.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Pueblo Mechanical & Controlspueblo-mechanical.comHQ: Phoenix, AZ, United StatesReported employees: 501-1,000 | Phoenix, AZ, United States | 501-1,000 | Exact match | 210 contacts → |
“Pueblo was founded in Arizona to achieve sustained and profitable growth by providing services that consistently satisfy the needs and expectations of its customers.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Haynes Mechanical Systemshaynesmechanical.comHQ: Greenwood Village, CO, United StatesReported employees: 201-500 | Greenwood Village, CO, United States | 201-500 | Exact match | 203 contacts → |
“Haynes Mechanical Systems has been keeping commercial buildings running strong since 1968.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | MLN Companymlncompany.com HQ: Stafford, TX, United StatesReported employees: 501-1,000 | Stafford, TX, United States | 501-1,000 | Exact match | 203 contacts → |
“MLN has provided the best systems and services in mechanical contracting for nearly three decades.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Maxair Mechanicalmaxairmech.comHQ: Marietta, GA, United StatesReported employees: 201-500 | Marietta, GA, United States | 201-500 | Exact match | 202 contacts → |
“MAXAIR Mechanical, founded in 1988, is a people first company.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Windsor, CT, United StatesReported employees: 201-500 | Windsor, CT, United States | 201-500 | Exact match | 195 contacts → |
“EMCOR Services New England Mechanical Services (NEMSI) offers a full range of mechanical, electrical, plumbing, sheetmetal, building automation, and facilities services that…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Total Mechanicaltotal-mechanical.com HQ: Pewaukee, WI, United StatesReported employees: 201-500 | Pewaukee, WI, United States | 201-500 | Exact match | 190 contacts → |
“TOTAL Mechanical is a single-source mechanical contractor, specializing in the design, engineering, manufacturing, installation, maintenance and repair of commercial, industrial…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Robert Derector Associatesderector.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 185 contacts → |
“Robert Derector Associates is a full service engineering firm with a local feel and a global reach.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Emcor Services Aircondaircond.comHQ: Smyrna, GA, United StatesReported employees: 201-500 | Smyrna, GA, United States | 201-500 | Exact match | 184 contacts → |
“Backed by 80 years of experience, the more than 300 associates at EMCOR Services Aircond design and deliver comprehensive, timely, and cost effective HVAC and building system…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Comfort Systems USA Southeastcsusasoutheast.comHQ: Pensacola, FL, United StatesReported employees: 201-500 | Pensacola, FL, United States | 201-500 | Exact match | 183 contacts → |
“Comfort Systems USA Southeast is one of the largest commercial mechanical an plumbing contractors and service providers executing 150M+ in revenue annually across the southeast.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Metro Groupmetrogroupinc.com HQ: Long Island City, NY, United StatesReported employees: 201-500 | Long Island City, NY, United States | 201-500 | Exact match | 179 contacts → |
“Metro Group Has Been the Trusted Source for Building Solutions Since 1925 Metro Group is a leading provider of comprehensive building services along the East Coast.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Rubicon Technical Services - RTSrubicontechservices.comHQ: Kennesaw, GA, United StatesReported employees: 51-200 | Kennesaw, GA, United States | 51-200 | Exact match | 171 contacts → |
“Rubicon Technical Services (RTS) offers innovative solutions for commissioning, testing, optimizing, operating, and maintaining critical facilities that depend on electrical…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Newcomb And Companynewcombandcompany.comHQ: Raleigh, NC, United StatesReported employees: 201-500 | Raleigh, NC, United States | 201-500 | Exact match | 163 contacts → |
“Founded in 1954, Newcomb and Company is a full-service mechanical contractor providing customers in the commercial, residential, and industrial sectors with innovative…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 826 company matches
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Building systems commissioning services: 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
823 records in the displayed employee bands.
3 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 826 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 ↗
Questions about this company list
What does Exact match mean for building systems commissioning services?
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 commissioning services did RevenueBase find based in the United States?
The saved snapshot records 826 matching company records, 24,050 tracked contacts and 10,525 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 commissioning services by geography
- Building systems commissioning services based in London, United Kingdom
- Building systems commissioning services based in Australia
- Building systems commissioning services based in Brazil
- Building systems commissioning services based in Canada
- Building systems commissioning services based in France
- Building systems commissioning services based in the United Arab Emirates
- Building systems commissioning services based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 building systems commissioning services based in the United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/building-systems-commissioning-services/united-states.
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 commissioning services based in London, United Kingdom
- Building systems commissioning services based in Australia
- Building systems commissioning services based in Brazil
- Building systems commissioning services based in Canada
- Building systems commissioning services based in France
- Building systems commissioning services based in the United Arab Emirates
Company intelligence · public preview
Top 25 building systems commissioning services based in the United States
RevenueBase records 826 matching company records for building systems commissioning services based in the United States, with 24,050 tracked contacts and 10,525 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 commissioning services based in the 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 | Mckenney's, INCmckenneys.com HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 1,088 contacts → |
“McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Cmta, INCcmta.com HQ: Louisville, KY, United StatesReported employees: 501-1,000 | Louisville, KY, United States | 501-1,000 | Exact match | 1,016 contacts → |
“CMTA is part of Legence, a Nasdaq Listed company.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Syska Hennessy Groupsyska.com HQ: New York, United StatesReported employees: 501-1,000 | New York, United States | 501-1,000 | Exact match | 835 contacts → |
“Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Bureau Veritas Primary Integrationprimaryintegration.com HQ: Mclean, VA, United StatesReported employees: 201-500 | Mclean, VA, United States | 201-500 | Exact match | 482 contacts → |
“Founded in 2005, the vision behind Primary Integration (PI) was to build the most elite mission critical commissioning/data center commissioning and operational risk management…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | John W. Danforth Companyjwdanforth.com HQ: Tonawanda, NY, United StatesReported employees: 501-1,000 | Tonawanda, NY, United States | 501-1,000 | Exact match | 410 contacts → |
“We are powered by the best people in the industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | AIR Systems, INCairsystemsinc.com HQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 359 contacts → |
“Whether building quality work environments, valuable relationships or community ties, Air Systems never cuts corners.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | United Mechanicalumi1.com HQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 349 contacts → |
“United Mechanical specializes in HVAC and Plumbing systems design, construction, retrofit, repair, and 24/7 emergency service for commercial and industrial properties throughout…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | The Hill Grouphillgrp.com HQ: Franklin Park, IL, United StatesReported employees: 501-1,000 | Franklin Park, IL, United States | 501-1,000 | Exact match | 299 contacts → |
“The Hill Group is a Chicago-based mechanical contractor specializing in HVAC, plumbing, fire protection, testing/balancing, and commissioning.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Holaday-Parks, INCholadayparks.com HQ: Tukwila, WA, United StatesReported employees: 201-500 | Tukwila, WA, United States | 201-500 | Exact match | 240 contacts → |
“As one of the largest full service mechanical contractors headquartered in the Pacific Northwest, Holaday Parks has grown well beyond Seattle.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 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. | |||||
| 12 | Zodiaczodinc.com HQ: St. Louis, MO, United StatesReported employees: Not recorded | St. Louis, MO, United States | Not recorded | Exact match | 230 contacts → |
“Zodiac, Inc.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | GHTghtltd.com HQ: Arlington, VA, United StatesReported employees: 51-200 | Arlington, VA, United States | 51-200 | Exact match | 221 contacts → |
“GHT provides innovative mechanical, electrical, and plumbing (MEP) engineering solutions for the built environment.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Pueblo Mechanical & Controlspueblo-mechanical.com HQ: Phoenix, AZ, United StatesReported employees: 501-1,000 | Phoenix, AZ, United States | 501-1,000 | Exact match | 210 contacts → |
“Pueblo was founded in Arizona to achieve sustained and profitable growth by providing services that consistently satisfy the needs and expectations of its customers.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Haynes Mechanical Systemshaynesmechanical.com HQ: Greenwood Village, CO, United StatesReported employees: 201-500 | Greenwood Village, CO, United States | 201-500 | Exact match | 203 contacts → |
“Haynes Mechanical Systems has been keeping commercial buildings running strong since 1968.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | MLN Companymlncompany.com HQ: Stafford, TX, United StatesReported employees: 501-1,000 | Stafford, TX, United States | 501-1,000 | Exact match | 203 contacts → |
“MLN has provided the best systems and services in mechanical contracting for nearly three decades.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Maxair Mechanicalmaxairmech.com HQ: Marietta, GA, United StatesReported employees: 201-500 | Marietta, GA, United States | 201-500 | Exact match | 202 contacts → |
“MAXAIR Mechanical, founded in 1988, is a people first company.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Windsor, CT, United StatesReported employees: 201-500 | Windsor, CT, United States | 201-500 | Exact match | 195 contacts → |
“EMCOR Services New England Mechanical Services (NEMSI) offers a full range of mechanical, electrical, plumbing, sheetmetal, building automation, and facilities services that…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Total Mechanicaltotal-mechanical.com HQ: Pewaukee, WI, United StatesReported employees: 201-500 | Pewaukee, WI, United States | 201-500 | Exact match | 190 contacts → |
“TOTAL Mechanical is a single-source mechanical contractor, specializing in the design, engineering, manufacturing, installation, maintenance and repair of commercial, industrial…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Robert Derector Associatesderector.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 185 contacts → |
“Robert Derector Associates is a full service engineering firm with a local feel and a global reach.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Emcor Services Aircondaircond.com HQ: Smyrna, GA, United StatesReported employees: 201-500 | Smyrna, GA, United States | 201-500 | Exact match | 184 contacts → |
“Backed by 80 years of experience, the more than 300 associates at EMCOR Services Aircond design and deliver comprehensive, timely, and cost effective HVAC and building system…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Comfort Systems USA Southeastcsusasoutheast.com HQ: Pensacola, FL, United StatesReported employees: 201-500 | Pensacola, FL, United States | 201-500 | Exact match | 183 contacts → |
“Comfort Systems USA Southeast is one of the largest commercial mechanical an plumbing contractors and service providers executing 150M+ in revenue annually across the southeast.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Metro Groupmetrogroupinc.com HQ: Long Island City, NY, United StatesReported employees: 201-500 | Long Island City, NY, United States | 201-500 | Exact match | 179 contacts → |
“Metro Group Has Been the Trusted Source for Building Solutions Since 1925 Metro Group is a leading provider of comprehensive building services along the East Coast.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Rubicon Technical Services - RTSrubicontechservices.com HQ: Kennesaw, GA, United StatesReported employees: 51-200 | Kennesaw, GA, United States | 51-200 | Exact match | 171 contacts → |
“Rubicon Technical Services (RTS) offers innovative solutions for commissioning, testing, optimizing, operating, and maintaining critical facilities that depend on electrical…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Newcomb And Companynewcombandcompany.com HQ: Raleigh, NC, United StatesReported employees: 201-500 | Raleigh, NC, United States | 201-500 | Exact match | 163 contacts → |
“Founded in 1954, Newcomb and Company is a full-service mechanical contractor providing customers in the commercial, residential, and industrial sectors with innovative…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 826 company matches
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Building systems commissioning services: 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
823 records in the displayed employee bands.
3 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 worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 826 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 ↗
Questions about this company list
What does Exact match mean for building systems commissioning services?
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 commissioning services did RevenueBase find based in the United States?
The saved snapshot records 826 matching company records, 24,050 tracked contacts and 10,525 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 commissioning services by geography
- Building systems commissioning services based in London, United Kingdom
- Building systems commissioning services based in Australia
- Building systems commissioning services based in Brazil
- Building systems commissioning services based in Canada
- Building systems commissioning services based in France
- Building systems commissioning services based in the United Arab Emirates
- Building systems commissioning services based in the United Kingdom
Cite this list
RevenueBase Data Team. Top 25 building systems commissioning services based in the United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/building-systems-commissioning-services/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Building systems commissioning services based in London, United Kingdom
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- Building systems commissioning services based in the United Arab Emirates