Company lists · Data refreshed October 2026
Top 25 Open systems building controls suppliers worldwide
RevenueBase identified 2,372 company matches for open systems building controls suppliers worldwide as of October 2026 and tracks 37,509 professional contacts across them, including 13,473 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for open systems building controls suppliers worldwide, 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 28, 2026. Country and city lists for open systems building controls suppliers follow the table.
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 open systems building controls suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,342 contacts → | ||||
Exact match “Bravida Danmark er blandt landets største tekniske installations- og servicevirksomheder med over medarbejdere i byer landet over, og vi er en arbejdsplads, der har plads til alle.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 2 | 1,181 contacts → | ||||
Exact match “Automated Logic Corporation (ALC) provides innovative building automation and control systems.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 3 | 658 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 · Oct 28, 2026 · View company records in RevenueBase | |||||
| 4 | 646 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 · Oct 28, 2026 · View company records in RevenueBase | |||||
| 5 | 572 contacts → | ||||
Exact match “Nordomatic is a global impact pioneer in smart buildings, helping you optimize, simplify, and future-proof your operations.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 6 | 507 contacts → | ||||
Exact match “At Airmaster, our goal is to lead the way in integrated building services, combining HVAC & R, building automation, electrical, and fire systems to create smart buildings that are…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 7 | 493 contacts → | ||||
Exact match “As a leading supplier of heating and air handling systems, we are perfectly in tune with you.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 8 | 484 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 · Oct 28, 2026 · View company records in RevenueBase | |||||
| 9 | 387 contacts → | ||||
Exact match “Leaders in HVAC control solutions.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 10 | 378 contacts → | ||||
Exact match “We are Gira.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 11 | 355 contacts → | ||||
Exact match “Since 1962, Brady has been committed to delivering innovative, sustainable building solutions that drive long-term success for our customers.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 12 | 348 contacts → | ||||
Exact match “Founded in 1974, Regulvar is a private company operating nationally.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 13 | 342 contacts → | ||||
Exact match “Havtech delivers innovative commercial and industrial HVAC solutions across Maryland, Washington, D.C, Virginia, Pennsylvania, and West Virginia.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 14 | 338 contacts → | ||||
Exact match “Sunbelt Controls is a leading full-service building automation contractor for new construction and retrofit projects in the Western United States.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 15 | 332 contacts → | ||||
Exact match “Delta Controls is a global leader in Building Automation Systems (BAS), with over 300 distributors, and many thousand of installations in more than 80 countries.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 16 | 306 contacts → | ||||
Exact match “ATS, established in 1986, specializes in custom engineered and installed Building Automation Systems control solutions for buildings’ mechanical and electrical systems, allowing…” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 17 | 234 contacts → | ||||
Exact match “Die LOXONE Gruppe aus Kollerschlag, Österreich, ist Vorreiter im Bereich intelligente Gebäudeautomatisierung.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 18 | 214 contacts → | ||||
Exact match “At Gardiner, we've gotten used to clients being shocked by everything we can do to improve a building.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 19 | 205 contacts → | ||||
Exact match “KMC Controls is an independent American manufacturer of building automation and IoT solutions for system integrators, system distributors, IT providers, and OEM partners.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 20 | 203 contacts → | ||||
Exact match “Haynes Mechanical Systems has been keeping commercial buildings running strong since 1968.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 21 | 202 contacts → | ||||
Exact match “We deliver simple, flexible, sustainable building automation solutions from people you can rely on.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 22 | 171 contacts → | ||||
Exact match “Since 1935, AC Corporation has provided quality systems for the industrial and commercial markets.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 23 | 162 contacts → | ||||
Exact match “PremiStar, formerly Reedy Industries, operates a footprint of 52 commercial HVAC, building automation and plumbing branches across 16 states.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 24 | 161 contacts → | ||||
Exact match “Established in Vancouver over thirty-five years ago, ESC is a leading service provider in Building Automation and Energy Management.” Recorded in the RevenueBase company graph · Oct 28, 2026 · View company records in RevenueBase | |||||
| 25 | 156 contacts → | ||||
Exact match “Empresa no ramo de automação predial A SMART tem a solução certa para o seu empreendimento, independente do tamanho do seu edifício e do seu investimento.” Recorded in the RevenueBase company graph · Oct 28, 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 “open systems building controls suppliers”. 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 2,372 open systems building controls suppliers worldwide
See the full list, filter by size, metro and specialty, and access 13,473 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Open systems building controls suppliers worldwide at a glance
As of Oct 28, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for open systems building controls suppliers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “open systems building controls suppliers” 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. 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 13,473 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 28, 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.
Open systems building controls suppliers by location
16 lists · largest firstEvery Open systems building controls suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Open systems building controls suppliers based in the United States552
- Open systems building controls suppliers based in the United Kingdom194
- Open systems building controls suppliers based in Germany151
- Open systems building controls suppliers based in Canada89
- Open systems building controls suppliers based in Italy74
- Open systems building controls suppliers based in France70
- Open systems building controls suppliers based in Australia69
- Open systems building controls suppliers based in the Netherlands69
- Open systems building controls suppliers based in Switzerland60
- Open systems building controls suppliers based in Türkiye60
- Open systems building controls suppliers based in India52
- Open systems building controls suppliers based in Spain50
- Open systems building controls suppliers based in Sweden50
- Open systems building controls suppliers based in Brazil37
- Open systems building controls suppliers based in Belgium35
Cities
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 “open systems building controls suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many open systems building controls suppliers are there worldwide?
RevenueBase identified 2,372 company matches for open systems building controls suppliers worldwide 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?
Bravida Danmark A S tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most open systems building controls suppliers?
The United States leads with 552 companies, followed by the United Kingdom (194) and Germany (151). Every open systems building controls suppliers list by country and city is linked on this page.
Which city has the most open systems building controls suppliers?
London leads with 28 company records, followed by Istanbul (22) and Sao Paulo (20).
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 13,473 professional contacts with verified work emails tracked across these 2,372 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 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,372 open systems building controls suppliers worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 open systems building controls suppliers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 2,372 matching company records for open systems building controls suppliers worldwide, with 37,509 tracked contacts and 13,473 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 28, 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 open systems building controls suppliers worldwide
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 |  Bravida Danmark A Sbravida.dkHQ: Brøndby, DenmarkReported employees: 1,001-5,000 | Brøndby, Denmark | 1,001-5,000 | Exact match | 1,342 contacts → |
“Bravida Danmark er blandt landets største tekniske installations- og servicevirksomheder med over medarbejdere i byer landet over, og vi er en arbejdsplads, der har plads til alle.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Automated Logic Corporationautomatedlogic.comHQ: Kennesaw, GA, United StatesReported employees: 501-1,000 | Kennesaw, GA, United States | 501-1,000 | Exact match | 1,181 contacts → |
“Automated Logic Corporation (ALC) provides innovative building automation and control systems.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Albireo Energyalbireoenergy.comHQ: Edison, NJ, United StatesReported employees: 1,001-5,000 | Edison, NJ, United States | 1,001-5,000 | Exact match | 658 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 · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Rovisys Building Technologiesrovisysbt.comHQ: Aurora, OH, United StatesReported employees: 1,001-5,000 | Aurora, OH, United States | 1,001-5,000 | Exact match | 646 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 · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Nordomaticnordomatic.comHQ: Stockholm, SwedenReported employees: 1,001-5,000 | Stockholm, Sweden | 1,001-5,000 | Exact match | 572 contacts → |
“Nordomatic is a global impact pioneer in smart buildings, helping you optimize, simplify, and future-proof your operations.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Airmasterairmaster.com.auHQ: Scoresby, AustraliaReported employees: 1,001-5,000 | Scoresby, Australia | 1,001-5,000 | Exact match | 507 contacts → |
“At Airmaster, our goal is to lead the way in integrated building services, combining HVAC & R, building automation, electrical, and fire systems to create smart buildings that are…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Wolf Gmbhwolf.euHQ: Mainburg, GermanyReported employees: 1,001-5,000 | Mainburg, Germany | 1,001-5,000 | Exact match | 493 contacts → |
“As a leading supplier of heating and air handling systems, we are perfectly in tune with you.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Long Building Technologieslong.comHQ: Littleton, CO, United StatesReported employees: 501-1,000 | Littleton, CO, United States | 501-1,000 | Exact match | 484 contacts → |
“Since 1965, LONG has been in the business of building performance; making them automated, efficient, green, and safe.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Airzone Controlairzonecontrol.comHQ: Malaga, SpainReported employees: 201-500 | Malaga, Spain | 201-500 | Exact match | 387 contacts → |
“Leaders in HVAC control solutions.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  GIRApartner.gira.comHQ: Radevormwald, GermanyReported employees: 1,001-5,000 | Radevormwald, Germany | 1,001-5,000 | Exact match | 378 contacts → |
“We are Gira.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Brady Servicesbradyservices.comHQ: Greensboro, NC, United StatesReported employees: 501-1,000 | Greensboro, NC, United States | 501-1,000 | Exact match | 355 contacts → |
“Since 1962, Brady has been committed to delivering innovative, sustainable building solutions that drive long-term success for our customers.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Regulvar INCregulvar.comHQ: Laval, QC, CanadaReported employees: 501-1,000 | Laval, QC, Canada | 501-1,000 | Exact match | 348 contacts → |
“Founded in 1974, Regulvar is a private company operating nationally.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Havtechhavtech.comHQ: Columbia, MD, United StatesReported employees: 201-500 | Columbia, MD, United States | 201-500 | Exact match | 342 contacts → |
“Havtech delivers innovative commercial and industrial HVAC solutions across Maryland, Washington, D.C, Virginia, Pennsylvania, and West Virginia.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Sunbelt Controlssunbeltcontrols.comHQ: Pleasanton, CA, United StatesReported employees: 201-500 | Pleasanton, CA, United States | 201-500 | Exact match | 338 contacts → |
“Sunbelt Controls is a leading full-service building automation contractor for new construction and retrofit projects in the Western United States.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Delta Controlsdeltacontrols.comHQ: Surrey, BC, CanadaReported employees: 201-500 | Surrey, BC, Canada | 201-500 | Exact match | 332 contacts → |
“Delta Controls is a global leader in Building Automation Systems (BAS), with over 300 distributors, and many thousand of installations in more than 80 countries.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  ATS Automation, INCatspnw.comHQ: Renton, WA, United StatesReported employees: 201-500 | Renton, WA, United States | 201-500 | Exact match | 306 contacts → |
“ATS, established in 1986, specializes in custom engineered and installed Building Automation Systems control solutions for buildings’ mechanical and electrical systems, allowing…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Loxoneloxone.comHQ: Kollerschlag, AustriaReported employees: 1,001-5,000 | Kollerschlag, Austria | 1,001-5,000 | Exact match | 234 contacts → |
“Die LOXONE Gruppe aus Kollerschlag, Österreich, ist Vorreiter im Bereich intelligente Gebäudeautomatisierung.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Gardinerwhgardiner.comHQ: Solon, OH, United StatesReported employees: 201-500 | Solon, OH, United States | 201-500 | Exact match | 214 contacts → |
“At Gardiner, we've gotten used to clients being shocked by everything we can do to improve a building.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  KMC Controlskmccontrols.comHQ: New Paris, IN, United StatesReported employees: 51-200 | New Paris, IN, United States | 51-200 | Exact match | 205 contacts → |
“KMC Controls is an independent American manufacturer of building automation and IoT solutions for system integrators, system distributors, IT providers, and OEM partners.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Reliable Controlsreliablecontrols.comHQ: Victoria, BC, CanadaReported employees: 201-500 | Victoria, BC, Canada | 201-500 | Exact match | 202 contacts → |
“We deliver simple, flexible, sustainable building automation solutions from people you can rely on.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  AC Corporationaccorporation.comHQ: Greensboro, NC, United StatesReported employees: 201-500 | Greensboro, NC, United States | 201-500 | Exact match | 171 contacts → |
“Since 1935, AC Corporation has provided quality systems for the industrial and commercial markets.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Premistarpremistar.comHQ: Deerfield, IL, United StatesReported employees: 1,001-5,000 | Deerfield, IL, United States | 1,001-5,000 | Exact match | 162 contacts → |
“PremiStar, formerly Reedy Industries, operates a footprint of 52 commercial HVAC, building automation and plumbing branches across 16 states.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  ESC Automationescautomation.comHQ: Surrey, BC, CanadaReported employees: 501-1,000 | Surrey, BC, Canada | 501-1,000 | Exact match | 161 contacts → |
“Established in Vancouver over thirty-five years ago, ESC is a leading service provider in Building Automation and Energy Management.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  SLG Comercio DE Sistemas DE Automacao Ltdasmartslg.com.brHQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 156 contacts → |
“Empresa no ramo de automação predial A SMART tem a solução certa para o seu empreendimento, independente do tamanho do seu edifício e do seu investimento.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,372 company matches
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Open systems building controls suppliers: dataset insights
October 28, 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
2,355 records in the displayed employee bands.
17 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,372 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 28, 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 ↗
Open systems building controls suppliers by location
16 lists · largest firstEvery Open systems building controls suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Open systems building controls suppliers based in the United States552
- Open systems building controls suppliers based in the United Kingdom194
- Open systems building controls suppliers based in Germany151
- Open systems building controls suppliers based in Canada89
- Open systems building controls suppliers based in Italy74
- Open systems building controls suppliers based in France70
- Open systems building controls suppliers based in Australia69
- Open systems building controls suppliers based in the Netherlands69
- Open systems building controls suppliers based in Switzerland60
- Open systems building controls suppliers based in Türkiye60
- Open systems building controls suppliers based in India52
- Open systems building controls suppliers based in Spain50
- Open systems building controls suppliers based in Sweden50
- Open systems building controls suppliers based in Brazil37
- Open systems building controls suppliers based in Belgium35
Cities
Questions about this company list
What does Exact match mean for open systems building controls suppliers?
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 open systems building controls suppliers did RevenueBase find worldwide?
The saved snapshot records 2,372 matching company records, 37,509 tracked contacts and 13,473 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 28, 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
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Cite this list
RevenueBase Data Team. Top 25 open systems building controls suppliers worldwide. Snapshot: October 28, 2026. https://revenuebase.ai/companies/browse/open-systems-building-controls-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 open systems building controls suppliers worldwide
RevenueBase records 2,372 matching company records for open systems building controls suppliers worldwide, with 37,509 tracked contacts and 13,473 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 28, 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 open systems building controls suppliers worldwide
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 | Bravida Danmark A Sbravida.dk HQ: Brøndby, DenmarkReported employees: 1,001-5,000 | Brøndby, Denmark | 1,001-5,000 | Exact match | 1,342 contacts → |
“Bravida Danmark er blandt landets største tekniske installations- og servicevirksomheder med over medarbejdere i byer landet over, og vi er en arbejdsplads, der har plads til alle.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Automated Logic Corporationautomatedlogic.com HQ: Kennesaw, GA, United StatesReported employees: 501-1,000 | Kennesaw, GA, United States | 501-1,000 | Exact match | 1,181 contacts → |
“Automated Logic Corporation (ALC) provides innovative building automation and control systems.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Albireo Energyalbireoenergy.com HQ: Edison, NJ, United StatesReported employees: 1,001-5,000 | Edison, NJ, United States | 1,001-5,000 | Exact match | 658 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 · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Rovisys Building Technologiesrovisysbt.com HQ: Aurora, OH, United StatesReported employees: 1,001-5,000 | Aurora, OH, United States | 1,001-5,000 | Exact match | 646 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 · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Nordomaticnordomatic.com HQ: Stockholm, SwedenReported employees: 1,001-5,000 | Stockholm, Sweden | 1,001-5,000 | Exact match | 572 contacts → |
“Nordomatic is a global impact pioneer in smart buildings, helping you optimize, simplify, and future-proof your operations.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Airmasterairmaster.com.au HQ: Scoresby, AustraliaReported employees: 1,001-5,000 | Scoresby, Australia | 1,001-5,000 | Exact match | 507 contacts → |
“At Airmaster, our goal is to lead the way in integrated building services, combining HVAC & R, building automation, electrical, and fire systems to create smart buildings that are…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Wolf Gmbhwolf.eu HQ: Mainburg, GermanyReported employees: 1,001-5,000 | Mainburg, Germany | 1,001-5,000 | Exact match | 493 contacts → |
“As a leading supplier of heating and air handling systems, we are perfectly in tune with you.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Long Building Technologieslong.com HQ: Littleton, CO, United StatesReported employees: 501-1,000 | Littleton, CO, United States | 501-1,000 | Exact match | 484 contacts → |
“Since 1965, LONG has been in the business of building performance; making them automated, efficient, green, and safe.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Airzone Controlairzonecontrol.com HQ: Malaga, SpainReported employees: 201-500 | Malaga, Spain | 201-500 | Exact match | 387 contacts → |
“Leaders in HVAC control solutions.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | GIRApartner.gira.com HQ: Radevormwald, GermanyReported employees: 1,001-5,000 | Radevormwald, Germany | 1,001-5,000 | Exact match | 378 contacts → |
“We are Gira.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Brady Servicesbradyservices.com HQ: Greensboro, NC, United StatesReported employees: 501-1,000 | Greensboro, NC, United States | 501-1,000 | Exact match | 355 contacts → |
“Since 1962, Brady has been committed to delivering innovative, sustainable building solutions that drive long-term success for our customers.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Regulvar INCregulvar.com HQ: Laval, QC, CanadaReported employees: 501-1,000 | Laval, QC, Canada | 501-1,000 | Exact match | 348 contacts → |
“Founded in 1974, Regulvar is a private company operating nationally.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Havtechhavtech.com HQ: Columbia, MD, United StatesReported employees: 201-500 | Columbia, MD, United States | 201-500 | Exact match | 342 contacts → |
“Havtech delivers innovative commercial and industrial HVAC solutions across Maryland, Washington, D.C, Virginia, Pennsylvania, and West Virginia.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Sunbelt Controlssunbeltcontrols.com HQ: Pleasanton, CA, United StatesReported employees: 201-500 | Pleasanton, CA, United States | 201-500 | Exact match | 338 contacts → |
“Sunbelt Controls is a leading full-service building automation contractor for new construction and retrofit projects in the Western United States.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Delta Controlsdeltacontrols.com HQ: Surrey, BC, CanadaReported employees: 201-500 | Surrey, BC, Canada | 201-500 | Exact match | 332 contacts → |
“Delta Controls is a global leader in Building Automation Systems (BAS), with over 300 distributors, and many thousand of installations in more than 80 countries.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | ATS Automation, INCatspnw.com HQ: Renton, WA, United StatesReported employees: 201-500 | Renton, WA, United States | 201-500 | Exact match | 306 contacts → |
“ATS, established in 1986, specializes in custom engineered and installed Building Automation Systems control solutions for buildings’ mechanical and electrical systems, allowing…” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Loxoneloxone.com HQ: Kollerschlag, AustriaReported employees: 1,001-5,000 | Kollerschlag, Austria | 1,001-5,000 | Exact match | 234 contacts → |
“Die LOXONE Gruppe aus Kollerschlag, Österreich, ist Vorreiter im Bereich intelligente Gebäudeautomatisierung.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Gardinerwhgardiner.com HQ: Solon, OH, United StatesReported employees: 201-500 | Solon, OH, United States | 201-500 | Exact match | 214 contacts → |
“At Gardiner, we've gotten used to clients being shocked by everything we can do to improve a building.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | KMC Controlskmccontrols.com HQ: New Paris, IN, United StatesReported employees: 51-200 | New Paris, IN, United States | 51-200 | Exact match | 205 contacts → |
“KMC Controls is an independent American manufacturer of building automation and IoT solutions for system integrators, system distributors, IT providers, and OEM partners.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Reliable Controlsreliablecontrols.com HQ: Victoria, BC, CanadaReported employees: 201-500 | Victoria, BC, Canada | 201-500 | Exact match | 202 contacts → |
“We deliver simple, flexible, sustainable building automation solutions from people you can rely on.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | AC Corporationaccorporation.com HQ: Greensboro, NC, United StatesReported employees: 201-500 | Greensboro, NC, United States | 201-500 | Exact match | 171 contacts → |
“Since 1935, AC Corporation has provided quality systems for the industrial and commercial markets.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Premistarpremistar.com HQ: Deerfield, IL, United StatesReported employees: 1,001-5,000 | Deerfield, IL, United States | 1,001-5,000 | Exact match | 162 contacts → |
“PremiStar, formerly Reedy Industries, operates a footprint of 52 commercial HVAC, building automation and plumbing branches across 16 states.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | ESC Automationescautomation.com HQ: Surrey, BC, CanadaReported employees: 501-1,000 | Surrey, BC, Canada | 501-1,000 | Exact match | 161 contacts → |
“Established in Vancouver over thirty-five years ago, ESC is a leading service provider in Building Automation and Energy Management.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | SLG Comercio DE Sistemas DE Automacao Ltdasmartslg.com.br HQ: São Paulo, BrazilReported employees: 51-200 | São Paulo, Brazil | 51-200 | Exact match | 156 contacts → |
“Empresa no ramo de automação predial A SMART tem a solução certa para o seu empreendimento, independente do tamanho do seu edifício e do seu investimento.” Recorded description excerpt · October 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Open systems building controls suppliers: dataset insights
October 28, 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
2,355 records in the displayed employee bands.
17 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 2,372 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 28, 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 ↗
Open systems building controls suppliers by location
16 lists · largest firstEvery Open systems building controls suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Open systems building controls suppliers based in the United States552
- Open systems building controls suppliers based in the United Kingdom194
- Open systems building controls suppliers based in Germany151
- Open systems building controls suppliers based in Canada89
- Open systems building controls suppliers based in Italy74
- Open systems building controls suppliers based in France70
- Open systems building controls suppliers based in Australia69
- Open systems building controls suppliers based in the Netherlands69
- Open systems building controls suppliers based in Switzerland60
- Open systems building controls suppliers based in Türkiye60
- Open systems building controls suppliers based in India52
- Open systems building controls suppliers based in Spain50
- Open systems building controls suppliers based in Sweden50
- Open systems building controls suppliers based in Brazil37
- Open systems building controls suppliers based in Belgium35
Cities
Questions about this company list
What does Exact match mean for open systems building controls suppliers?
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 open systems building controls suppliers did RevenueBase find worldwide?
The saved snapshot records 2,372 matching company records, 37,509 tracked contacts and 13,473 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 28, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 open systems building controls suppliers worldwide. Snapshot: October 28, 2026. https://revenuebase.ai/companies/browse/open-systems-building-controls-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗