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Top Companies Using IBM z/OS

2,236 companies using this technology

By IBM

z/OS is a 64-bit operating system for IBM mainframes.

0.32%

The market share of the technology in its category

Top industries utilizing this technology

  • Business Services
  • Custom Software & IT Services
  • Finance
  • Manufacturing
  • Insurance

1-10 of 2,236 Companies using IBM z/OS

Sort companies by

  1. 1
    Walmart

    Technologies used by the company: 2,748

  2. 2
    Amazon

    Technologies used by the company: 3,088

  3. 3
    Apple

    Technologies used by the company: 2,413

  4. 4
    UnitedHealth Group

    Technologies used by the company: 2,900

  5. 5
    CVS Health

    Technologies used by the company: 2,783

  6. 6
    ExxonMobil

    Technologies used by the company: 1,526

  7. 7
    McKesson

    Technologies used by the company: 2,260

  8. 8
    Shell

    Technologies used by the company: 1,504

  9. 9
    Toyota Motor Corporation

    Technologies used by the company: 1,111

  10. 10
    Google

    Technologies used by the company: 1,469

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Best Alternatives for IBM z/OS

Usage statistics of alternative technologies to IBM z/OS, based on Zoominfo's comprehensive dataset

UbuntuLinuxCentOSUnixDebianIBM z/OS

Products owned by IBM

A closer look at IBM's additional technologies: understanding their comprehensive range of digital tools and creative solutions

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Frequently Asked Questions regarding IBM z/OS

What is the IBM z/OS technology?
z/OS is a 64-bit operating system for IBM mainframes. For more information,
What is IBM z/OS technology’s market share?
IBM z/OS market share is 0.32% out of all the technologies in the same category.
What companies are using IBM z/OS?
From the data gathered in Zoominfo, Walmart, Amazon, Apple, UnitedHealth Group, CVS Health, are using the IBM z/OS technology. You can see the full list in the above results table.
How many companies are using IBM z/OS?
2236 companies are using IBM z/OS.
Which industries do companies commonly use IBM z/OS for their needs?
Companies in Business Services, Custom Software & IT Services, Finance commonly use IBM z/OS.
What are the best alternatives for IBM z/OS?
According to Zoominfo’s data Ubuntu, Linux, CentOS, Unix, Debian, are competitors of IBM z/OS. For more information,
See more information about IBM z/OS