A breakdown of the 1.3K+ companies running Mac OS X.
Top industries
Professional and business services294
Information technology and services247
Media and telecommunications124
Education and training112
Industrial and manufacturing97
Construction and building67
Art, sports and recreation55
Financial services28
No industry recorded: 121
Company size
1–10162 (16%)
11–50282 (27%)
51–250333 (32%)
251–50087 (8%)
501–1,00036 (3%)
1,001–5,00068 (7%)
5,001–10,00022 (2%)
10,001+52 (5%)
Share of companies with a recorded size, by employees.
No size recorded: 269
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 Mac OS X data on this page.
How many companies use Mac OS X?
Firmable holds confirmed Mac OS X detections for 1,311 distinct companies, 1,311 of them confirmed in the last 90 days. A company is counted once however many of its properties run it.
Which companies use Mac OS X?
Clearwave Fiber, Sullivan and curiosity are among the most prominent in the current set.
What industries use Mac OS X?
Professional and business services, information technology and services and media and telecommunications lead the set, across 19 industries in total.
What size companies use Mac OS X?
Adoption concentrates in the 51-250 employee band, across the companies whose size is recorded.
Where are Mac OS X users based?
The United States, Canada, Australia and Japan account for most detections, across 13 countries.
How current is this data?
1,311 companies were confirmed in the last 90 days. Last detection 14 October 2026.