A breakdown of the 846K+ companies running Microsoft Windows Server.
Top industries
Professional and business services78K+
Art, sports and recreation66K+
Information technology and services60K+
Industrial and manufacturing57K+
Hospitality and travel48K+
Construction and building46K+
Health and wellness43K+
Transport43K+
No industry recorded: 153K+
Company size
1–10134,388 (33%)
11–50109,358 (27%)
51–25097,719 (24%)
251–50034,104 (8%)
501–1,00011,548 (3%)
1,001–5,00016,564 (4%)
5,001–10,0002,602 (1%)
10,001+2,418 (1%)
Share of companies with a recorded size, by employees.
No size recorded: 438K+
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Frequently asked questions
About the Microsoft Windows Server data on this page.
How many companies use Microsoft Windows Server?
Firmable holds confirmed Microsoft Windows Server detections for 846,932 distinct companies, 422,147 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Microsoft Windows Server?
Cresset, Mirum Pharmaceuticals Inc. and Assured Guaranty are among the most prominent in the current set.
What industries use Microsoft Windows Server?
Professional and business services, art, sports and recreation and information technology and services lead the set, across 19 industries in total.
What size companies use Microsoft Windows Server?
Adoption concentrates in the 1-10 employee band, across the companies whose size is recorded.
Where are Microsoft Windows Server users based?
The United States, Canada, Australia and Singapore account for most detections, across 13 countries.
How current is this data?
422,147 companies were confirmed in the last 90 days. Last detection 13 October 2026.
