IBM z/OS Operating System
IBM z/OS Operating System is a widely used mainframe operating system that is designed to offer a stable, secure, and continuously available environme...Read more
Market Share of IBM z/OS Operating System
Current Customer(s)
1419
Market Share (Est.)
0.17%
Ranking
#38
Top Competitors and Alternatives of IBM z/OS Operating System
The top three of IBM z/OS Operating System’s competitors in the Server And Desktop OS category are Oracle Linux with 14.46%, Linux with 14.43%, Apple iOS with 10.50% market share.
Popular Comparisons
Top Competitors and Alternatives of IBM z/OS Operating System
The top three of IBM z/OS Operating System’s competitors in the Server And Desktop OS category are Oracle Linux with 14.46%, Linux with 14.43%, Apple iOS with 10.50% market share.
IBM z/OS Operating System vs Oracle Linux
IBM z/OS Operating System vs Linux
IBM z/OS Operating System vs Apple iOS
IBM z/OS Operating System vs Debian
IBM z/OS Operating System vs Unix
IBM z/OS Operating System vs VMware Server
IBM z/OS Operating System vs Windows XP
IBM z/OS Operating System vs CentOS
Customers of IBM z/OS Operating System
Around the world in 2025, over 1381 companies have started using IBM z/OS Operating System as Server And Desktop OS tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| UST | 10,000+ | Aliso Viejo | California | United States |     |
| ANZ | 10,000+ | Melbourne | Victoria | Australia | |
| CACI International Inc | 10,000+ | Reston | Virginia | United States | |
| U.S. Department Of The Interior | 10,000+ | Washington, D.C. | Washington, D.C. | United States | |
| John Hancock | 10,000+ | Boston | Massachusetts | United States | |
| Metropolitan | 10,000+ | Cape Town | Western Cape | South Africa | |
| SJSU | 10,000+ | San Jose | California | United States | |
| Dow | 10,000+ | Midland | Michigan | United States | |
| Spherion | 10,000+ | Atlanta | Georgia | United States | |
| Sandvik | 10,000+ | Stockholm | Stockholm | Sweden | |
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IBM z/OS Operating System Customers by Products and Services
The top three products and services offering customers that use IBM z/OS Operating System for Server And Desktop OS are Insurance (117), Wealth Management (104), Asset Management (101).
Customers
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IBM z/OS Operating System Customers by Employee Size
The majority of IBM z/OS Operating System's customers for the server-and-desktop-os category fall in the company size of 10,000+ employees (492 companies), 1,000 - 4,999 employees (211 companies), 100 - 249 employees (162 companies).
Employee Size
IBM z/OS Operating System Customers by Geography
The top three geographies of IBM z/OS Operating System for server-and-desktop-os are the United States with 684(62.13%), United Kingdom with 79(7.18%), France with 67(6.09%) customers respectively.
Customers
Employees of IBM z/OS Operating System
Also see other Products/Services by IBM z/OS Operating System in:
FAQ
Find answers to the most often asked questions by users.
Who are the top IBM z/OS Operating System competitors?
IBM z/OS Operating System’s Top competitors in the server-and-desktop-os category are Oracle Linux, Linux, Apple iOS. You can view a full list of IBM z/OS Operating System competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of IBM z/OS Operating System and 40,000 other technologies on the internet. You can also compare IBM z/OS Operating System and its feature with top competitors here : IBM z/OS Operating System vs Oracle Linux IBM z/OS Operating System vs Linux IBM z/OS Operating System vs Apple iOS.
What is IBM z/OS Operating System customer distribution based on company size?
What is IBM z/OS Operating System market share in the server-and-desktop-os?
What are the top countries that use IBM z/OS Operating System?
What are the top industries that use IBM z/OS Operating System?
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