GOVERNMENT CONTRACT AWARDS

Clamshell Structure of Ventura won a $576,049 contract from the NASA Johnson Space Center in Houston to extend a clamshell structure.

* Telcom Communications in Oxnard won a $526,529 contract from the Department of Energy in Loveland, Colo., for construction of structures and facilities.

* PTI Technologies Inc., Newbury Park, won a $240,498 contract from the Defense General Supply Center in Richmond, Va., for engine accessories.

* Telair International Corp., Oxnard, won a $196,997 contract from the Kelly Air Force Base in Texas for actuator canopies and console controls.

* AT & T Wireless Service of Camarillo won a $150,486 contract from the Navy in China Lake for cellular telephone services.