GOVERNMENT CONTRACT AWARDS

Xontech Inc. of Van Nuys won a $8.9-million contract from the Army in Huntsville, Ala., for radar discrimination analysis and design.

* Carco Electronics of Menlo Park won a $464,224 contract from Edwards Air Force Base for equipment maintenance and repair.

* Airborne Technologies Inc. of Camarillo won a $417,340 contract from the Defense General Supply Center in Richmond, Va., for aircraft components.

* Brown & Weiner of Woodland Hills won a $151,315 contract from the U.S. Postal Service in Denver, Colo., for leasing facilities.

* Control Sciences Inc. of Chatsworth won a $110,600 contract from Robins Air Force Base in Georgia for electrical components.