unixO - Servicing the engineering needs of OEMs and Contract Manufacturers At UnixO, we understand the High Tech industry concerns with quality and reliability. For over 25 years our commercial, consumer and military customers depend on us to supply services with the highest At UnixO, we understand the High Tech industry concerns with quality and reliability. For over 25 years our commercial, consumer and military customers depend on us to supply services with the highest quality and reliability.