Companies using IBM Engineering Requirements Management DOORS
As of 14 October 2026, Firmable tracks 770 companies across 13 countries running IBM Engineering Requirements Management DOORS. See who they are, and who to call.
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Who uses IBM Engineering Requirements Management DOORS
A breakdown of the 770 companies running IBM Engineering Requirements Management DOORS.
Top industries
Information technology and services227
Industrial and manufacturing215
Professional and business services88
Construction and building68
Media and telecommunications30
Government and public services25
Financial services20
Health and wellness14
No industry recorded: 24
Company size
1–1032 (4%)
11–5066 (9%)
51–250142 (20%)
251–500102 (14%)
501–1,00057 (8%)
1,001–5,000116 (16%)
5,001–10,00058 (8%)
10,001+154 (21%)
Share of companies with a recorded size, by employees.
No size recorded: 43
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Frequently asked questions
About the IBM Engineering Requirements Management DOORS data on this page.
How many companies use IBM Engineering Requirements Management DOORS?
Firmable holds confirmed IBM Engineering Requirements Management DOORS detections for 770 distinct companies, 255 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use IBM Engineering Requirements Management DOORS?
voestalpine High Performance Metals, Frontgrade Technologies and Autonomous Solutions, Inc. (ASI) are among the most prominent in the current set.
What industries use IBM Engineering Requirements Management DOORS?
Information technology and services, industrial and manufacturing and professional and business services lead the set, across 18 industries in total.
What size companies use IBM Engineering Requirements Management DOORS?
Adoption concentrates in the 10,001+ employee band, across the companies whose size is recorded.
Where are IBM Engineering Requirements Management DOORS users based?
The United States, Australia, Canada and Singapore account for most detections, across 13 countries.
How current is this data?
255 companies were confirmed in the last 90 days. Last detection 7 September 2026.
