Performance Software (PSW) is a software and systems engineering firm with a commitment to on-time, on-budget performance. Ou ... r company specializes in embedded avionics and full life-cycle solutions certifiable to DO-178B Level A. Additionally, we develop critical software for the power distribution and medical device industries. Performance Software's reputation has earned it preferred supplier status with many Tier-1 avionics suppliers. With locations in Phoenix, Seattle, Tampa Bay/Clearwater, and Grand Rapids, PSW has the depth and experience to provide total solutions on your next program. read more