Company lists · Data verified August 2026

Top 25 Building automation software companies based in the United States

Name: Building automation software companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,418 companies tracked

There are 1,418 building automation software companies headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 45,744 professional contacts across them, including 17,544 with verified work emails and 16,208 with mobile numbers. New York is the largest hub.

This list covers building automation software companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

1,418Companies

45,744Contacts tracked

17,544Verified emails

16,208Mobile numbers

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The 25 largest building automation software companies based in the United States

Ranked by team size

Top 25 of 1,418 building automation software companies based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Rockwell Automation	Chelmsford, MA	10001+	20,541	7,024
2	Automated Logic Corporation	Austin, TX	501-1,000	1,114	229
3	Climatec, LLC	Phoenix, AZ	1,001-5,000	865	544
4	Awc, INC	Corpus Christi, TX	501-1,000	849	406
5	Albireo Energy	New York	1,001-5,000	685	382
6	Long Building Technologies	Billings, MT	501-1,000	464	253
7	Honeywell Building Solutions	Las Vegas, NV	201-500	450	216
8	View, INC	San Jose, CA	201-500	408	153
9	Havtech	Columbia, MD	201-500	333	231
10	Boland	Chantilly, VA	201-500	325	166
11	Sunbelt Controls	Azusa, CA	201-500	321	201
12	ATS Automation, INC	Burlington, WA	201-500	284	109
13	Gardiner	Maumee, OH	201-500	208	118
14	ESC Automation	Bothell, WA	501-1,000	170	84
15	Trane AIR Conditioning	Us	1,001-5,000	165	23
16	SMC	Sedalia, MO	501-1,000	156	88
17	Cm3 Building Solutions	Fort Washington, PA	201-500	144	67
18	Sencorpwhite	Hamilton, OH	201-500	115	43
19	Ame, INC	Fairfield, NJ	1,001-5,000	84	51
20	NOVAR	Bentonville, AR	201-500	70	9
21	ATS Inland NW	Idaho Falls, ID	201-500	68	42
22	Veris Industries	Tualatin, OR	201-500	51	7
23	The Comfort Group INC	Huntsville, AL	201-500	50	21
24	ATS Rocky Mountain	Centennial, CO	201-500	45	30
25	H4 Enterprises, LLC	Fayetteville, NC	201-500	36	10

Showing 25 of 1,418 building automation software companies based in the United States

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Building automation software companies based in the United States at a glance

As of Aug 28, 2026

11-50Median size (employees)

New YorkLargest hub · 35 HQs

16,208Contacts with mobile numbers

109Emails re-verified in last 30 days

Companies by employee count

1-10

654

11-50

532

51-200

176

201-500

501-1,000

1,001-5,000

10001+

Building automation software companies by metro

Metro	Companies
Building automation software companies in New York	35
Building automation software companies in Houston	26
Building automation software companies in Los Angeles	18
Building automation software companies in Austin	15
Building automation software companies in Chicago	15
Building automation software companies in Miami	14
Building automation software companies in San Diego	14

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “building automation software companies”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 109 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many building automation software companies are there based in the United States?

There are 1,418 building automation software companies headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Rockwell Automation, headquartered in Chelmsford, tops this list with the largest team on record.

Which city has the most building automation software companies?

New York leads with 35 headquartered companies, followed by Houston (26) and Los Angeles (18).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 17,544 verified decision-maker contacts tracked across these 1,418 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.