A breakdown of the 409 companies running ASHRAE 90.1.
Top industries
Construction and building171
Professional and business services58
Industrial and manufacturing38
Education and training22
Information technology and services20
Financial services15
Government and public services13
Media and telecommunications13
No industry recorded: 14
Company size
1–1026 (7%)
11–5059 (15%)
51–250108 (28%)
251–50060 (15%)
501–1,00023 (6%)
1,001–5,00053 (14%)
5,001–10,00016 (4%)
10,001+47 (12%)
Share of companies with a recorded size, by employees.
No size recorded: 17
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Frequently asked questions
About the ASHRAE 90.1 data on this page.
How many companies use ASHRAE 90.1?
Firmable holds confirmed ASHRAE 90.1 detections for 409 distinct companies, 86 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use ASHRAE 90.1?
MORRIS Architects | A Huitt-Zollars Company, Hays Electrical Services and TKDA are among the most prominent in the current set.
What industries use ASHRAE 90.1?
Construction and building, professional and business services and industrial and manufacturing lead the set, across 16 industries in total.
What size companies use ASHRAE 90.1?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are ASHRAE 90.1 users based?
The United States, Canada, Australia and Indonesia account for most detections, across 13 countries.
How current is this data?
86 companies were confirmed in the last 90 days. Last detection 6 September 2026.
