Qualtech Systems, Inc. (QSI) makes software that captures the knowledge of how a system fails and uses that knowledge to design for testability, to improve system health, and to make troubleshooting, telemaintenance, and field service more efficient. QSI's teams helps customers capture information about how their equipment might fail, so they can keep it working. The software improves fault isolation, reduces maintenance time and cost, reduces false removals, and increases equipment availability.