The 21CS Difference
Real Investment, Real Innovation, Real Partnerships
The future of mainframe technology is built on people, strengthened by products, and amplified by partnerships around the globe
Eccox Technology
Based in Brazil, Eccox is a pioneer in developing innovative solutions that help enterprises optimize software development and testing processes on the z/OS platform. Together, 21CS and Eccox will expand global reach, strengthen support for customers, and deliver even greater value to organizations running mission-critical workloads.

Interested in Partnering?
Experience what happens when a mainframe company actually invests in innovation and real relationships.