Mainframe success stories

The Engines OF PROGRESS. Learn how these organizations are making the extraordinary possible. IBM Mainframe50 The Engines OF PROGRESS. Learn how these organizations are making the extraordinary possible. IBM Mainframe50

In focus: Our clients

IBM System z is recognized for its scalability, availability and security. System z is a robust platform that has the power and flexibility to meet the needs of today's most demanding environments while providing investment protection and value well into the future. Read what our clients are saying.

  • Click to show descriptionUniversity of Arkansas

    “The IBM System z platform is a lifeblood technology platform: banks, retail outlets and large corporations have been using it for their most critical information systems for the past 40 years, and they will continue to do so,” said David Douglas, Director of the University of Arkansas Enterprise Systems.

  • Click to show descriptionNationwide

    "We anticipate saving approximately US$15 million over three years, he says. "We're seeing dramatic improvements across the board. An 80 percent reduction in environmental costs including power, cooling and floor space; hardware and OS support efforts cut in half; Web hosting monthly costs also cut in half through capacity optimization and overall server utilization running at 85 to 90 percent." Buzz Woeckener, manager of Linux, Nationwide

  • Click to show descriptionBelarusian Railways

    "In our opinion, only IBM System z could reliably handle the enormous number of transactions and offer permanent availability. Equally, System z was the only platform that could handle unpredictable peaks in demand without any risk of failure.” Igor Otliga, Data Centre Manager at Belarusian Railways

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IBM provides world-class IBM mainframe technology to help today's enterprises respond quickly to evolving business conditions and with extreme flexibility. From automation to advanced virtualization technologies and open industry standards, IBM mainframes help deliver competitive advantages for enterprises contributing and succeeding on a smarter planet.

Operating Systems

IBM System z supports multiple operation systems:


IBM's technology, solutions and industry expertise can help you find the competitive edge with a sharper understanding of your customers. Our System z solutions combine the foundation of IBM hardware, software and middleware with flexible financing and packaging options to help your business meet and overcome the challenges of doing business in the on demand world. IBM can help you develop a customer-centric view—and assist you in delivering the right solution and the right products.

  • Success stories, by industry

    Success stories, by industry

    System z customers in key industries share their experiences.

  • Success stories from IBM clients (3.99MB)

    Success stories from IBM clients

    Organizations are taking bold, new approaches to improve economics and innovation through IT efficiency.

  • Virtualization solutions

    Virtualization solutions

    Comparing virtualization alternatives–What’s best for your business?

  • Master IT Complexity

    IBM leaders discuss new zEnterprise announcements for the IBM Enterprise Linux Server, cloud and virtualization