The company specialized in compiler technology. It was responsible for the design and implementation of the HAL/S programming language. It participated in the design effort leading to the Ada programming language effort, designed the Red language, one of the finalists in the design competition, and wrote one of the first production-quality Ada compilers. The large-scale Ada 95 revision of the language was designed at Intermetrics.
Intermetrics merged with Whitesmiths Ltd. in December 1988. In 1997, Intermetrics merged with computer game developer Looking Glass Studios In 1998, Intermetrics acquired Pacer Infotec, and changed its name to 'AverStar'. AverStar merged with the Titan Corporation in March, 2000; Titan was acquired by L-3 Communications in 2005.
Its Internet domain name was inmet.com.