A breakdown of the 1.1K+ companies running Windows Server 2003.
Top industries
Information technology and services384
Professional and business services132
Industrial and manufacturing113
Health and wellness67
Financial services65
Construction and building55
Media and telecommunications43
Education and training32
No industry recorded: 22
Company size
1–1059 (6%)
11–50127 (12%)
51–250238 (23%)
251–500136 (13%)
501–1,000106 (10%)
1,001–5,000187 (18%)
5,001–10,00052 (5%)
10,001+138 (13%)
Share of companies with a recorded size, by employees.
No size recorded: 67
One dataset. Four ways to sell.
Match the deepest technology intelligence against the most comprehensive data on companies and people – such as who is growing, raised capital or changed role – for pinpoint precision on GTM campaigns.
Competitor displacement
Find the accounts running a competitor today and go after them with the right argument.
Complementary tools
Target companies whose stack sits alongside yours and integrates without a fight.
Service partners
Identify implementers and agencies already working in the technologies you support.
Market insights
Map your total addressable market and track aggregated trends such as AI maturity.
Frequently asked questions
About the Windows Server 2003 data on this page.
How many companies use Windows Server 2003?
Firmable holds confirmed Windows Server 2003 detections for 1,110 distinct companies, 93 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Windows Server 2003?
CLARK Material Handling Company, BayOne Solutions and Tenica Global Solutions are among the most prominent in the current set.
What industries use Windows Server 2003?
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 Server 2003?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Windows Server 2003 users based?
The United States, Canada, Australia and the Philippines account for most detections, across 13 countries.
How current is this data?
93 companies were confirmed in the last 90 days. Last detection 19 September 2026.
