Driving the Future of Mainframe Innovation | Global Partnership

Why 21CS
Products
- Our Products
  - SENTINELⁿ
    Comprehensive change management tool for z/OS
  - STRATUSⁿ
    Cloud object storage for z/OS | 21CS
  - Tape/Assist®
    Seamlessly migrates z/OS tape data
  - TRANSVERSEⁿ
    End-to-end, non-disruptive z/OS data migration
  - VECTORⁿ
    Modern, simplified dataset transfers
  - VSEⁿ
    Enhanced VSE experience compatible with previous versions
- What's Next
  - VERIFIⁿ
    Modern, adaptable JCL checker
  - OPTIMAⁿ
    The next generation of mainframe performance analytics
- Trusted IBM Partner
  - IBM Product Portfolio
- 21CS Partners
  - Global Partnerships
VSEn: A Bold Investment in the Future

In 2021, 21CS became the first company outside IBM to own an IBM Z operating system. Five years, ...
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Solutions
- Our Solutions
Talk to a Mainframe Expert

Partner with experts who understand mainframe challenges and opportunities.
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Insights

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21CS Establishes Strategic Partnership with TES Enterprise Solutions
MOREHEAD CITY, NC (July 14, 2026) - 21st Century Software Technologies, Inc. (21CS) announces a new strategic reseller partnership with TES Enterprise Solutions. Based in the United Kingdom, TES is...

Global Partnership
July 14, 2026
21CS Establishes Strategic Partnership with Eccox in Brazil
MOREHEAD CITY, NC (March 16th, 2026) - 21st Century Software Technologies, Inc. (21CS) announces a new strategic partnership with Eccox Technology. Based in Brazil, Eccox is a pioneer in developing...

Global Partnership
March 16, 2026