A breakdown of the 372 companies running Windows 8.1.
Top industries
Information technology and services122
Professional and business services62
Industrial and manufacturing29
Financial services21
Education and training20
Health and wellness19
Media and telecommunications17
Construction and building14
No industry recorded: 17
Company size
1–1016 (5%)
11–5038 (11%)
51–25073 (21%)
251–50045 (13%)
501–1,00034 (10%)
1,001–5,00072 (21%)
5,001–10,00021 (6%)
10,001+46 (13%)
Share of companies with a recorded size, by employees.
No size recorded: 27
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Frequently asked questions
About the Windows 8.1 data on this page.
How many companies use Windows 8.1?
Firmable holds confirmed Windows 8.1 detections for 372 distinct companies, 42 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Windows 8.1?
Zachary Piper Solutions, Revolution Prep and Insentra are among the most prominent in the current set.
What industries use Windows 8.1?
Information technology and services, professional and business services and industrial and manufacturing lead the set, across 19 industries in total.
What size companies use Windows 8.1?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Windows 8.1 users based?
The United States, Canada, Australia and Indonesia account for most detections, across 13 countries.
How current is this data?
42 companies were confirmed in the last 90 days. Last detection 10 September 2026.
