The group's principal activities are to design, develop, manufacture and market manufacturing equipment for the electronic display and consumer glass industries. The group also produces replacement parts for various types of packaging and glass container-making machines. The group operates through two segments: lynch systems and M-Tron. Lynch systems, the glass manufacturing equipment segment designs, develops, manufactures and markets manufacturing equipment for the electronic display and consumer glass industries. M-Tron, the frequency control devices segment manufactures and markets electronic components to control the frequency of electronic signals in communications equipment.