The principal activities of the group are to develop and manufacture proprietary plastic products for diverse industrial and commercial markets, primarily located in the United States. It designs and manufactures injection-molded and formed plastic optical components, molded plastic modular conveyor belt and chain, plastic fittings, valves, filters and tubing, molded plastic coil forms and , motors, relays and switches and other molded and extruded plastic components for diverse industries. The group also performs additional production operations including laser cutting, machining and welding of plastic parts, vacuum deposition, coating, assembly and testing.