Headquartered in Plymouth, Mich., S Group Automotive is an automobile plastic parts manufacturer that develops wood-filled plastic compounds, as well as compression molding technologies. Its capabilities include engineering design and production change monitoring, administration and development services. The company produces prototype components and dimensional check fixtures, as well as offers dimension certification services. It specializes in various types of injection moldings, such as gas-assisted, bi-component, injection-compression and low-pressure injection molding. S Group Automotive operates an in-house testing laboratory that monitors quality standard compliance for all manufactured products. Additionally, it provides assembly services for various plastic materials, such as headliners, pillars, door panels, package trays and trunk systems.