Intertex General Contractors of Valencia won a...

Intertex General Contractors of Valencia won a $4.9-million contract from the Navy in San Diego for renovations.

* DPSC Software Inc. of Calabasas won a $1.5-million contract from the Department of the Treasury in Washington for database information retrieval services.

* HR Textron Inc. of Valencia won a $494,000 contract from Tinker Air Force Base in Valencia for cylinder assemblies.

* Whittaker Corp. of North Hollywood won a $402,150 contract from Kelly Air Force Base in Texas for valves.

* Rockwell Science Center in Thousand Oaks won a $300,000 contract from the Army in Ft. Monmouth, N. J., for engineering development.

* Aero Technology Co. of Chatsworth won a $102,063 contract from Kelly Air Force Base in Texas for engines, turbines and components.

* Crane Co. of Burbank won a $98,778 contract from the Defense Supply Center in Columbus, Ohio, for linear actuating cylinders, and a $37,170 contract from Tinker Air Force Base in Oklahoma for aircraft components and accessories.

* Ontic Engineering and Manufacturing Inc. of North Hollywood won a $85,635 contract from the Defense Supply Center in Columbus for circuit card assemblies and a $32,980 contract from the Defense General Supply Center in Richmond, Va., for torque limiters.

* Extraction Systems International in Agoura Hills won a $80,052 contract from the Defense General Supply Center in Richmond, Va., for ventilation duct cleaning.

* Senior Flexonics Inc. of Burbank won a $62,248 contract from the Defense Supply Center in Columbus for steel tubes and swing joints.

* Wesco Aircraft Hardware Corp. of Valencia won a $58,800 contract from the Defense Industrial Supply Center in Philadelphia for turnlock fastener studs.

* Llamas Plastics Inc. of Sylmar won a $53,010 contract from the Defense General Supply Center in Richmond, Va., for aircraft hatches.

* Seaman Products of California in Pacoima won a $42,778 contract from the Defense General Supply Center in Richmond, Va., for insulation assemblies.

* Precision Dynamics in Van Nuys won a $39,580 contract from the Defense Personnel Support Center in Philadelphia for bacteriological specimen collection.