Company lists · Data refreshed September 2026
Top 25 Building systems integrators based in the United States
RevenueBase identified 4,300 company matches for building systems integrators associated with the United States as of September 2026 and tracks 110,520 professional contacts across them, including 48,677 with verified work emails. Houston is the largest hub.
This list covers company matches for building systems integrators 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 September 27, 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 integrators based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,707 contacts → | ||||
Exact match “Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 2,439 contacts → | ||||
Exact match “As one of the nation's largest building systems experts, Southland Industries provides innovative, practical results for your engineering, construction, service, and energy needs.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 2,415 contacts → | ||||
Exact match “Since 1934, owners and builders have selected ACCO Engineered Systems to design, install, and maintain more than mechanical projects.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 1,383 contacts → | ||||
Exact match “A Fortune 500® company and a member of the S&P 500, EMCOR Group, Inc.(NYSE: EME) is a leader in mechanical and electrical construction, industrial and energy infrastructure, and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 1,330 contacts → | ||||
Exact match “Comfort Systems USA | Quality People.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 1,159 contacts → | ||||
Exact match “As one of the world's largest independent systems integrators, RoviSys delivers comprehensive automation, digital transformation, manufacturing execution (MES), Industrial AI…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 1,115 contacts → | ||||
Exact match “Automated Logic Corporation (ALC) provides innovative building automation and control systems.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 1,077 contacts → | ||||
Exact match “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 936 contacts → | ||||
Exact match “CMTA is part of Legence, a Nasdaq Listed company.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 899 contacts → | ||||
Exact match “Stellar, headquartered in Jacksonville, Florida, is a fully integrated firm focusing on design, engineering, construction, refrigeration, and mechanical and electrical services…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 857 contacts → | ||||
Exact match “Prime Controls was established as a Main Automation Contractor to provide customers a sole source solution for Industrial Automation services and products.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 849 contacts → | ||||
Exact match “Ahern is a mechanical and fire protection contractor specializing in HVAC, Plumbing, Building Controls, Sprinkler, Extinguisher & Alarm and Fabrication for construction and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 745 contacts → | ||||
Exact match “Limbach is a leading building solutions firm delivering mission critical infrastructure that supports life’s most important moments.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 744 contacts → | ||||
Exact match “ArchKey, one of the largest privately held specialty trade installation and facilities services companies in the United States, is a leader in designing, building, and maintaining…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 669 contacts → | ||||
Exact match “Albireo Energy is a leading independent building controls and energy services provider recognized by customers for creating intelligent, high-performance buildings.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 655 contacts → | ||||
Exact match “Established in 1963, Baker Group is Iowa’s premier full-service specialty contractor-serving commercial, industrial, institutional, and mission-critical markets across the country.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 564 contacts → | ||||
Exact match “At F.E.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 547 contacts → | ||||
Exact match “As part of the RoviSys family of companies, we deliver vendor independent building automation, electrical power management, facility monitoring, and systems integration solutions…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 545 contacts → | ||||
Exact match “For generations, EAS Companies has been an innovative provider delivering complete solutions in mechanical, electrical, plumbing, building services, controls, and engineered…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 539 contacts → | ||||
Exact match “DEEM, LLC is a mechanical and electrical company centrally located in Fishers, Indiana with satellite offices throughout the Midwest down to the southeastern United States.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 470 contacts → | ||||
Exact match “Since 1996, MSS has made thousands of facilities more efficient, comfortable, secure and reliable for owners, operators and occupiers across the Carolinas and throughout North…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 455 contacts → | ||||
Exact match “Thermo Systems is a full-service control systems integration partner, providing world-class automation solutions within the Energy, Life Sciences, and Mission Critical markets.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 455 contacts → | ||||
Exact match “Our Mission: TIG will earn its place as a trusted partner to our clients, providing only the highest level of service, value and advanced technology to power their strategic…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 453 contacts → | ||||
Exact match “Since 1965, LONG has been in the business of building performance; making them automated, efficient, green, and safe.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 447 contacts → | ||||
Exact match “Fori Automation, LLC is a global leader in the design, build, and integration of custom material handling, assembly, testing, and welding systems.” Recorded in the RevenueBase company graph · Sep 27, 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 integrators”. 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 4,300 building systems integrators based in the United States
See the full list, filter by size, metro and specialty, and access 48,677 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Building systems integrators based in the United States at a glance
As of Sep 27, 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 4,300 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 integrators” 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 48,677 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 27, 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 integrators by metro
- Building systems integrators in Houston83
- Building systems integrators in New York76
- Building systems integrators in Dallas42
- Building systems integrators in Charlotte38
- Building systems integrators in Miami38
- Building systems integrators in Los Angeles35
- Building systems integrators in Phoenix33
- Building systems integrators in Austin32
- Building systems integrators in Tampa32
- Building systems integrators in Atlanta31
- Building systems integrators in Denver27
- Building systems integrators in San Diego25
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 integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many building systems integrators are there based in the United States?
RevenueBase identified 4,300 company matches for building systems integrators associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Convergint tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most building systems integrators?
Houston leads with 83 company records, followed by New York (76) and Dallas (42).
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 48,677 professional contacts with verified work emails tracked across these 4,300 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 4,300 building systems integrators based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Building systems integrators by geography
- Building systems integrators based in Belo Horizonte, Brazil
- Building systems integrators based in Rio De Janeiro, Brazil
- Building systems integrators based in Sao Paulo, Brazil
- Building systems integrators based in Calgary, Canada
- Building systems integrators based in Toronto, Canada
- Building systems integrators based in Ahmedabad, India
- Building systems integrators based in Bangalore, India
- Building systems integrators based in Chennai, India
- Building systems integrators based in Hyderabad, India
- Building systems integrators based in Mumbai, India
- Building systems integrators based in New Delhi, India
- Building systems integrators based in Noida, 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 integrators based in Belo Horizonte, Brazil
- Building systems integrators based in Rio De Janeiro, Brazil
- Building systems integrators based in Sao Paulo, Brazil
- Building systems integrators based in Calgary, Canada
- Building systems integrators based in Toronto, Canada
- Building systems integrators based in Ahmedabad, India
Company intelligence · public preview
Top 25 building systems integrators 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 4,300 matching company records for building systems integrators based in the United States, with 110,520 tracked contacts and 48,677 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 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 integrators 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 |  Convergintconvergint.comHQ: Hoffman Estates, IL, United StatesReported employees: 10001+ | Hoffman Estates, IL, United States | 10001+ | Exact match | 5,707 contacts → |
“Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Southland Industriessouthlandind.com HQ: Garden Grove, CA, United StatesReported employees: 10001+ | Garden Grove, CA, United States | 10001+ | Exact match | 2,439 contacts → |
“As one of the nation's largest building systems experts, Southland Industries provides innovative, practical results for your engineering, construction, service, and energy needs.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Acco Engineered Systemsaccoes.comHQ: Pasadena, CA, United StatesReported employees: 5,001-10,000 | Pasadena, CA, United States | 5,001-10,000 | Exact match | 2,415 contacts → |
“Since 1934, owners and builders have selected ACCO Engineered Systems to design, install, and maintain more than mechanical projects.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Emcor Group, INCemcorgroup.com HQ: Norwalk, CT, United StatesReported employees: 10001+ | Norwalk, CT, United States | 10001+ | Exact match | 1,383 contacts → |
“A Fortune 500® company and a member of the S&P 500, EMCOR Group, Inc.(NYSE: EME) is a leader in mechanical and electrical construction, industrial and energy infrastructure, and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Comfort Systems USAcomfortsystemsusa.comHQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 1,330 contacts → |
“Comfort Systems USA | Quality People.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Rovisysrovisys.comHQ: Aurora, OH, United StatesReported employees: 1,001-5,000 | Aurora, OH, United States | 1,001-5,000 | Exact match | 1,159 contacts → |
“As one of the world's largest independent systems integrators, RoviSys delivers comprehensive automation, digital transformation, manufacturing execution (MES), Industrial AI…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Automated Logic Corporationautomatedlogic.comHQ: Kennesaw, GA, United StatesReported employees: 501-1,000 | Kennesaw, GA, United States | 501-1,000 | Exact match | 1,115 contacts → |
“Automated Logic Corporation (ALC) provides innovative building automation and control systems.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Mckenney's, INCmckenneys.comHQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 1,077 contacts → |
“McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Cmta, INCcmta.comHQ: Louisville, KY, United StatesReported employees: 501-1,000 | Louisville, KY, United States | 501-1,000 | Exact match | 936 contacts → |
“CMTA is part of Legence, a Nasdaq Listed company.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Stellarstellar.netHQ: Jacksonville, FL, United StatesReported employees: 501-1,000 | Jacksonville, FL, United States | 501-1,000 | Exact match | 899 contacts → |
“Stellar, headquartered in Jacksonville, Florida, is a fully integrated firm focusing on design, engineering, construction, refrigeration, and mechanical and electrical services…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Prime Controlsprime-controls.comHQ: Lewisville, TX, United StatesReported employees: 1,001-5,000 | Lewisville, TX, United States | 1,001-5,000 | Exact match | 857 contacts → |
“Prime Controls was established as a Main Automation Contractor to provide customers a sole source solution for Industrial Automation services and products.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  AHERNjfahern.comHQ: Fond Du Lac, WI, United StatesReported employees: 1,001-5,000 | Fond Du Lac, WI, United States | 1,001-5,000 | Exact match | 849 contacts → |
“Ahern is a mechanical and fire protection contractor specializing in HVAC, Plumbing, Building Controls, Sprinkler, Extinguisher & Alarm and Fabrication for construction and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Limbachlimbachinc.comHQ: Tampa, FL, United StatesReported employees: 1,001-5,000 | Tampa, FL, United States | 1,001-5,000 | Exact match | 745 contacts → |
“Limbach is a leading building solutions firm delivering mission critical infrastructure that supports life’s most important moments.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Archkey Solutionsarchkey.comHQ: St. Louis, MO, United StatesReported employees: 1,001-5,000 | St. Louis, MO, United States | 1,001-5,000 | Exact match | 744 contacts → |
“ArchKey, one of the largest privately held specialty trade installation and facilities services companies in the United States, is a leader in designing, building, and maintaining…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Albireo Energyalbireoenergy.comHQ: Edison, NJ, United StatesReported employees: 1,001-5,000 | Edison, NJ, United States | 1,001-5,000 | Exact match | 669 contacts → |
“Albireo Energy is a leading independent building controls and energy services provider recognized by customers for creating intelligent, high-performance buildings.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Baker Groupthebakergroup.comHQ: Ankeny, IA, United StatesReported employees: 1,001-5,000 | Ankeny, IA, United States | 1,001-5,000 | Exact match | 655 contacts → |
“Established in 1963, Baker Group is Iowa’s premier full-service specialty contractor-serving commercial, industrial, institutional, and mission-critical markets across the country.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  F.E. Moran Group Of Companiesfemoran.comHQ: Northbrook, IL, United StatesReported employees: 1,001-5,000 | Northbrook, IL, United States | 1,001-5,000 | Exact match | 564 contacts → |
“At F.E.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Rovisys Building Technologiesrovisysbt.comHQ: Aurora, OH, United StatesReported employees: 1,001-5,000 | Aurora, OH, United States | 1,001-5,000 | Exact match | 547 contacts → |
“As part of the RoviSys family of companies, we deliver vendor independent building automation, electrical power management, facility monitoring, and systems integration solutions…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Environmental AIR Systemseasinc.netHQ: High Point, NC, United StatesReported employees: 1,001-5,000 | High Point, NC, United States | 1,001-5,000 | Exact match | 545 contacts → |
“For generations, EAS Companies has been an innovative provider delivering complete solutions in mechanical, electrical, plumbing, building services, controls, and engineered…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Deem, LLCdeemfirst.comHQ: Indianapolis, IN, United StatesReported employees: 1,001-5,000 | Indianapolis, IN, United States | 1,001-5,000 | Exact match | 539 contacts → |
“DEEM, LLC is a mechanical and electrical company centrally located in Fishers, Indiana with satellite offices throughout the Midwest down to the southeastern United States.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  MSS Solutions, LLCmsssolutions.comHQ: Charlotte, NC, United StatesReported employees: 501-1,000 | Charlotte, NC, United States | 501-1,000 | Exact match | 470 contacts → |
“Since 1996, MSS has made thousands of facilities more efficient, comfortable, secure and reliable for owners, operators and occupiers across the Carolinas and throughout North…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Thermo Systemsthermosystems.comHQ: East Windsor, NJ, United StatesReported employees: 201-500 | East Windsor, NJ, United States | 201-500 | Exact match | 455 contacts → |
“Thermo Systems is a full-service control systems integration partner, providing world-class automation solutions within the Energy, Life Sciences, and Mission Critical markets.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Technology Integration Grouptig.comHQ: San Diego, CA, United StatesReported employees: 201-500 | San Diego, CA, United States | 201-500 | Exact match | 455 contacts → |
“Our Mission: TIG will earn its place as a trusted partner to our clients, providing only the highest level of service, value and advanced technology to power their strategic…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Long Building Technologieslong.comHQ: Littleton, CO, United StatesReported employees: 501-1,000 | Littleton, CO, United States | 501-1,000 | Exact match | 453 contacts → |
“Since 1965, LONG has been in the business of building performance; making them automated, efficient, green, and safe.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Fori Automation, LLC A Lincoln Electric Companyforiauto.comHQ: Shelby Twp., MI, United StatesReported employees: 501-1,000 | Shelby Twp., MI, United States | 501-1,000 | Exact match | 447 contacts → |
“Fori Automation, LLC is a global leader in the design, build, and integration of custom material handling, assembly, testing, and welding systems.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 4,300 company matches
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Building systems integrators: dataset insights
September 27, 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
4,292 records in the displayed employee bands.
8 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 4,300 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 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 integrators by metro
- Building systems integrators in Houston83
- Building systems integrators in New York76
- Building systems integrators in Dallas42
- Building systems integrators in Charlotte38
- Building systems integrators in Miami38
- Building systems integrators in Los Angeles35
- Building systems integrators in Phoenix33
- Building systems integrators in Austin32
- Building systems integrators in Tampa32
- Building systems integrators in Atlanta31
- Building systems integrators in Denver27
- Building systems integrators in San Diego25
Questions about this company list
What does Exact match mean for building systems integrators?
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 integrators did RevenueBase find based in the United States?
The saved snapshot records 4,300 matching company records, 110,520 tracked contacts and 48,677 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 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 integrators by geography
- Building systems integrators based in Belo Horizonte, Brazil
- Building systems integrators based in Rio De Janeiro, Brazil
- Building systems integrators based in Sao Paulo, Brazil
- Building systems integrators based in Calgary, Canada
- Building systems integrators based in Toronto, Canada
- Building systems integrators based in Ahmedabad, India
- Building systems integrators based in Bangalore, India
- Building systems integrators based in Chennai, India
- Building systems integrators based in Hyderabad, India
- Building systems integrators based in Mumbai, India
- Building systems integrators based in New Delhi, India
- Building systems integrators based in Noida, India
Cite this list
RevenueBase Data Team. Top 25 building systems integrators based in the United States. Snapshot: September 27, 2026. https://revenuebase.ai/companies/building-systems-integrators/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 integrators based in Belo Horizonte, Brazil
- Building systems integrators based in Rio De Janeiro, Brazil
- Building systems integrators based in Sao Paulo, Brazil
- Building systems integrators based in Calgary, Canada
- Building systems integrators based in Toronto, Canada
- Building systems integrators based in Ahmedabad, India
Company intelligence · public preview
Top 25 building systems integrators based in the United States
RevenueBase records 4,300 matching company records for building systems integrators based in the United States, with 110,520 tracked contacts and 48,677 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 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 integrators 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 | Convergintconvergint.com HQ: Hoffman Estates, IL, United StatesReported employees: 10001+ | Hoffman Estates, IL, United States | 10001+ | Exact match | 5,707 contacts → |
“Convergint is a global systems integrator focused on delivering results for our customers through unparalleled service excellence.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Southland Industriessouthlandind.com HQ: Garden Grove, CA, United StatesReported employees: 10001+ | Garden Grove, CA, United States | 10001+ | Exact match | 2,439 contacts → |
“As one of the nation's largest building systems experts, Southland Industries provides innovative, practical results for your engineering, construction, service, and energy needs.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Acco Engineered Systemsaccoes.com HQ: Pasadena, CA, United StatesReported employees: 5,001-10,000 | Pasadena, CA, United States | 5,001-10,000 | Exact match | 2,415 contacts → |
“Since 1934, owners and builders have selected ACCO Engineered Systems to design, install, and maintain more than mechanical projects.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Emcor Group, INCemcorgroup.com HQ: Norwalk, CT, United StatesReported employees: 10001+ | Norwalk, CT, United States | 10001+ | Exact match | 1,383 contacts → |
“A Fortune 500® company and a member of the S&P 500, EMCOR Group, Inc.(NYSE: EME) is a leader in mechanical and electrical construction, industrial and energy infrastructure, and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Comfort Systems USAcomfortsystemsusa.com HQ: Houston, TX, United StatesReported employees: 10001+ | Houston, TX, United States | 10001+ | Exact match | 1,330 contacts → |
“Comfort Systems USA | Quality People.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Rovisysrovisys.com HQ: Aurora, OH, United StatesReported employees: 1,001-5,000 | Aurora, OH, United States | 1,001-5,000 | Exact match | 1,159 contacts → |
“As one of the world's largest independent systems integrators, RoviSys delivers comprehensive automation, digital transformation, manufacturing execution (MES), Industrial AI…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Automated Logic Corporationautomatedlogic.com HQ: Kennesaw, GA, United StatesReported employees: 501-1,000 | Kennesaw, GA, United States | 501-1,000 | Exact match | 1,115 contacts → |
“Automated Logic Corporation (ALC) provides innovative building automation and control systems.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Mckenney's, INCmckenneys.com HQ: Atlanta, GA, United StatesReported employees: 1,001-5,000 | Atlanta, GA, United States | 1,001-5,000 | Exact match | 1,077 contacts → |
“McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Cmta, INCcmta.com HQ: Louisville, KY, United StatesReported employees: 501-1,000 | Louisville, KY, United States | 501-1,000 | Exact match | 936 contacts → |
“CMTA is part of Legence, a Nasdaq Listed company.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Stellarstellar.net HQ: Jacksonville, FL, United StatesReported employees: 501-1,000 | Jacksonville, FL, United States | 501-1,000 | Exact match | 899 contacts → |
“Stellar, headquartered in Jacksonville, Florida, is a fully integrated firm focusing on design, engineering, construction, refrigeration, and mechanical and electrical services…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Prime Controlsprime-controls.com HQ: Lewisville, TX, United StatesReported employees: 1,001-5,000 | Lewisville, TX, United States | 1,001-5,000 | Exact match | 857 contacts → |
“Prime Controls was established as a Main Automation Contractor to provide customers a sole source solution for Industrial Automation services and products.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | AHERNjfahern.com HQ: Fond Du Lac, WI, United StatesReported employees: 1,001-5,000 | Fond Du Lac, WI, United States | 1,001-5,000 | Exact match | 849 contacts → |
“Ahern is a mechanical and fire protection contractor specializing in HVAC, Plumbing, Building Controls, Sprinkler, Extinguisher & Alarm and Fabrication for construction and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Limbachlimbachinc.com HQ: Tampa, FL, United StatesReported employees: 1,001-5,000 | Tampa, FL, United States | 1,001-5,000 | Exact match | 745 contacts → |
“Limbach is a leading building solutions firm delivering mission critical infrastructure that supports life’s most important moments.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Archkey Solutionsarchkey.com HQ: St. Louis, MO, United StatesReported employees: 1,001-5,000 | St. Louis, MO, United States | 1,001-5,000 | Exact match | 744 contacts → |
“ArchKey, one of the largest privately held specialty trade installation and facilities services companies in the United States, is a leader in designing, building, and maintaining…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Albireo Energyalbireoenergy.com HQ: Edison, NJ, United StatesReported employees: 1,001-5,000 | Edison, NJ, United States | 1,001-5,000 | Exact match | 669 contacts → |
“Albireo Energy is a leading independent building controls and energy services provider recognized by customers for creating intelligent, high-performance buildings.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Baker Groupthebakergroup.com HQ: Ankeny, IA, United StatesReported employees: 1,001-5,000 | Ankeny, IA, United States | 1,001-5,000 | Exact match | 655 contacts → |
“Established in 1963, Baker Group is Iowa’s premier full-service specialty contractor-serving commercial, industrial, institutional, and mission-critical markets across the country.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | F.E. Moran Group Of Companiesfemoran.com HQ: Northbrook, IL, United StatesReported employees: 1,001-5,000 | Northbrook, IL, United States | 1,001-5,000 | Exact match | 564 contacts → |
“At F.E.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Rovisys Building Technologiesrovisysbt.com HQ: Aurora, OH, United StatesReported employees: 1,001-5,000 | Aurora, OH, United States | 1,001-5,000 | Exact match | 547 contacts → |
“As part of the RoviSys family of companies, we deliver vendor independent building automation, electrical power management, facility monitoring, and systems integration solutions…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Environmental AIR Systemseasinc.net HQ: High Point, NC, United StatesReported employees: 1,001-5,000 | High Point, NC, United States | 1,001-5,000 | Exact match | 545 contacts → |
“For generations, EAS Companies has been an innovative provider delivering complete solutions in mechanical, electrical, plumbing, building services, controls, and engineered…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Deem, LLCdeemfirst.com HQ: Indianapolis, IN, United StatesReported employees: 1,001-5,000 | Indianapolis, IN, United States | 1,001-5,000 | Exact match | 539 contacts → |
“DEEM, LLC is a mechanical and electrical company centrally located in Fishers, Indiana with satellite offices throughout the Midwest down to the southeastern United States.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | MSS Solutions, LLCmsssolutions.com HQ: Charlotte, NC, United StatesReported employees: 501-1,000 | Charlotte, NC, United States | 501-1,000 | Exact match | 470 contacts → |
“Since 1996, MSS has made thousands of facilities more efficient, comfortable, secure and reliable for owners, operators and occupiers across the Carolinas and throughout North…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Thermo Systemsthermosystems.com HQ: East Windsor, NJ, United StatesReported employees: 201-500 | East Windsor, NJ, United States | 201-500 | Exact match | 455 contacts → |
“Thermo Systems is a full-service control systems integration partner, providing world-class automation solutions within the Energy, Life Sciences, and Mission Critical markets.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Technology Integration Grouptig.com HQ: San Diego, CA, United StatesReported employees: 201-500 | San Diego, CA, United States | 201-500 | Exact match | 455 contacts → |
“Our Mission: TIG will earn its place as a trusted partner to our clients, providing only the highest level of service, value and advanced technology to power their strategic…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Long Building Technologieslong.com HQ: Littleton, CO, United StatesReported employees: 501-1,000 | Littleton, CO, United States | 501-1,000 | Exact match | 453 contacts → |
“Since 1965, LONG has been in the business of building performance; making them automated, efficient, green, and safe.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Fori Automation, LLC A Lincoln Electric Companyforiauto.com HQ: Shelby Twp., MI, United StatesReported employees: 501-1,000 | Shelby Twp., MI, United States | 501-1,000 | Exact match | 447 contacts → |
“Fori Automation, LLC is a global leader in the design, build, and integration of custom material handling, assembly, testing, and welding systems.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 4,300 company matches
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Building systems integrators: dataset insights
September 27, 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
4,292 records in the displayed employee bands.
8 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 4,300 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 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 integrators by metro
- Building systems integrators in Houston83
- Building systems integrators in New York76
- Building systems integrators in Dallas42
- Building systems integrators in Charlotte38
- Building systems integrators in Miami38
- Building systems integrators in Los Angeles35
- Building systems integrators in Phoenix33
- Building systems integrators in Austin32
- Building systems integrators in Tampa32
- Building systems integrators in Atlanta31
- Building systems integrators in Denver27
- Building systems integrators in San Diego25
Questions about this company list
What does Exact match mean for building systems integrators?
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 integrators did RevenueBase find based in the United States?
The saved snapshot records 4,300 matching company records, 110,520 tracked contacts and 48,677 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 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 integrators by geography
- Building systems integrators based in Belo Horizonte, Brazil
- Building systems integrators based in Rio De Janeiro, Brazil
- Building systems integrators based in Sao Paulo, Brazil
- Building systems integrators based in Calgary, Canada
- Building systems integrators based in Toronto, Canada
- Building systems integrators based in Ahmedabad, India
- Building systems integrators based in Bangalore, India
- Building systems integrators based in Chennai, India
- Building systems integrators based in Hyderabad, India
- Building systems integrators based in Mumbai, India
- Building systems integrators based in New Delhi, India
- Building systems integrators based in Noida, India
Cite this list
RevenueBase Data Team. Top 25 building systems integrators based in the United States. Snapshot: September 27, 2026. https://revenuebase.ai/companies/building-systems-integrators/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 integrators based in Belo Horizonte, Brazil
- Building systems integrators based in Rio De Janeiro, Brazil
- Building systems integrators based in Sao Paulo, Brazil
- Building systems integrators based in Calgary, Canada
- Building systems integrators based in Toronto, Canada
- Building systems integrators based in Ahmedabad, India