UNIX® Certified Products

"The Open Group UNIX standards offer the most stable, portable and cost-effective applications development environment for a wide range of platforms from mobile devices to mainframes. For end-user enterprises, procuring certified UNIX systems ensures the highest level of availability, scalability, and maintainability for those who want to focus on their business with confidence in their IT.

UNIX certification is a trusted and open system industry standard, ensuring that products conform to the most exacting criteria for portability, compatibility, and global interoperability. This enables buyers to specify UNIX conformance in procurement's, facilitates Boundary less Information Flow™, and enhances the perception of the UNIX system as a consistently stable, flexible, and reliable operating system."

https://www.opengroup.org/openbrand/register/