Vitro Corp. in Silver Spring, won a $5,303,959 contract from the Army to provide an exercise option for AWIS tech specialty services.
Racal Communications Inc. in Rockville, won a $433,275 contract from the Army to provide communications equipment.
Hughes STX Corp. in Lanham, won a $159,669 contract from NASA to provide X-ray astronomy research.
Costabile Associates Inc. in Bethesda won a $78,544 contract from the National Library of Medicine to revise cataloging-in-publication records.
Applied Science Associates Inc. in Landover won a $760,974 contract from the U.S. Dept. of Labor to provide audiovisual production support services.