Operation Simulation Associates, Inc.
OSA is incorporated in Georgia and headquartered in Ringgold, GA, near Chattanooga, TN. OSA has clients and affiliates in the USA, Europe, and Australia and has been in business since 1983. OSA develops software and provides consulting services for the electric power industry and other applications.
OSA is the developer of the PowrSym electric system market model. See PowrSym History for the development history of the PowrSym family of products. The current version of PowrSym is designated PowrSym4.