Mainframes Are Our Business.
Our Only Business.

PSR is an IBM Platinum Business partner for z Systems, Storage Products and LinuxOne with managed services including systems programming, disaster recovery, hosting and mainframe colocation.

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Supporting IBM Mainframe Clients

Dating back to 1981, PSR is dedicated to supporting IBM Mainframe clients throughout the United States with a mission to optimize our clients’ mainframe experience regardless of where they are in their mainframe journey. In addition to sales and support of IBM z Systems, mainframe storage, and software, we provide systems programming services and mainframe hosting and disaster recovery solutions.

Systems Programming

We offer a Service Plan with multiple levels of support from staff augmentation to comprehensive systems programming support. Our Service Plan includes a dedicated systems programmer and around the clock support.

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Hosting and Co-location

Gain access to the latest in mainframe technology while maintaining production control over your workloads. We help your company make a smooth transition to hosting or co-location for your mainframe.

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Disaster Recovery

PSR works closely with companies to design a disaster recovery solution that meets their unique recovery goals. We provide the data replication tools necessary to meet optimum RTOs and RPOs.

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Authorized Partnerships

PSR customers benefit from our longstanding and special relationships with top technology companies including IBM. Our experts can help companies evaluate, select, and implement the right solutions to meet their mainframe needs.

70%

Of Fortune 500 enterprises use mainframes for their most critical business functions

68%

Of the world’s product IT workloads are handled by mainframes yet account for only 6% of IT costs

71%

Of the largest enterprise mainframe users expect workloads handled by mainframe systems to increase in coming years

Mainframe Blog

PSR mainframe experts share insights into all things mainframe. From the latest news to tips and tricks, this is your source for mainframe news.

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Mainframes Are Our Business. Our Only Business.