* SYS of San Diego won a...

* SYS of San Diego won a $7.8-million contract from the Naval Surface Warfare Center in Port Hueneme for marine engineering services.

* C.A. Rasmussen Inc. of Simi Valley won a $5.4-million contract from the Red River Army Depot in Texarkana, Texas, to repair railroads.

* Litton Systems Inc. of Woodland Hills won two contracts from the Naval Inventory Control Point in Philadelphia--one of $3.9 million for instruments and laboratory equipment and one of $2.9 million for navigational units. It also won a $3.7-million contract from Tinker Air Force Base in Oklahoma for engineering services applicable to the F16 / A10 aircraft.

* Joe Silvestri Construction Co. of Ojai won a $1.6-million contract from Vandenberg Air Force Base for the improvement and repair of dorm facilities.

* Crane Co.’s Hydro-Aire Division in Burbank won a $1.1-million contract from Kelly Air Force Base in Texas for the repair and overhaul of engine accessories.

* Hydro Mill Co. of Chatsworth won an $877,446 contract from Hill Air Force Base in Utah for elbows.

* Intertex General Contractors Inc. of Valencia won a $306,387 contract from Ames Research Center in Moffett Field for ductwork repairs.

* Courtaulds Defense Products Inc. of Burbank won a $218,772 contract from the General Services Administration in Auburn, Wash., for protective coatings.

* Sota Corp. of North Hollywood won a $206,185 contract from Kelly Air Force Base in Texas for a fuel pump boost.

* Lumonics Corp. of Camarillo won a $194,324 contract from Kelly Air Force Base in Texas for a light-writer laser-marking system.

* HR Textron Inc. of Valencia won a $103,820 contract from the Naval Inventory Control Point in Philadelphia for aircraft components and accessories.

* Crane Co. of Burbank won an $89,730 contract from the Naval Inventory Control Point in Philadelphia for a centrifugal pump unit.

* Symetric Inc. of Newbury Park won an $83,257 contract from the Army Missile Command at Redstone Arsenal, Ala., for quick coupling halves.

* New SD Inc. of Sylmar won a $62,013 contract from Tinker Air Force Base in Oklahoma for instruments and laboratory equipment.

* Hydromach Inc. of Canoga Park won a $44,014 contract from Robins Air Force Base in Georgia for fitting assemblies.

* Special-T Fasteners of Chatsworth won a $40,546 contract from the Naval Inventory Control Point in Philadelphia for latch assemblies.

* Networks Electronic Corp. of Chatsworth won a $38,967 contract from the Defense General Supply Center in Richmond, Va., for aircraft structural components supports.

* Ontic Engineering & Manufacturing Inc. of North Hollywood won a $35,200 contract from Tinker Air Force Base in Oklahoma for fuel insert housings.

* Westfield Precision Products Inc. of Sun Valley won a $31,500 contract from the Naval Inventory Control Point in Philadelphia for pinion assemblies.

* Redball Transfer and Storage of Van Nuys won a $26,996 contract from the Contracts and Procurement Division in Port Hueneme to relocate advanced data processing equipment.