GOVERNMENT CONTRACT AWARDS

Litton Systems Inc. in Woodland Hills won a $9.75-million contract from the General Services Administration in Auburn, Wash., for professional, administrative and management support services.

Sensor Systems Inc. in Chatsworth won a $409,200 contract from the Defense Supply Center in Columbus, Ohio, for antenna.

Frazier Aviation Inc. in San Fernando won a $236,541 contract from the Defense General Supply Center in Richmond, Va., for longeron.

Whittaker Corp. of North Hollywood won a $125,152 contract from the U.S. Air Force at Tinker Air Force Base, Okla., for valve assemblies.