Evaluation Software was established in 1985 from the Design Assurance and the Computer Software groups of  Systems Evaluation Inc.  Both Company's were started and directed by   Arthur Williams Blackburn. 

Systems  Evaluation Inc. was established in 1968 and provided Design, Design Analysis, Component Engineering,  Software Support,  and  Design Assurance Support.  Until 1980 most of the Software was for Main Frames.  In 1980 the first PC Reliability program was released as Evaluation Rel.