The KS Group is an industry leader in the manufacturing of high-performance product solutions in the Healthcare and Commercial markets.

MOS Plastics is a division of KS Group and specializes in high-precision prototyping, injection molding, contract manufacture, and assembly for Healthcare and electronic OEMs. Located in the heart of Silicon Valley since 1974, we understand the performance expectations of cutting-edge companies delivering innovative technologies. Learn More

MOS Plastics and KS Manufacturing maintain design and development capabilities in-house, while KS Tijuana supports the design process but does not currently develop or design in-house.

Our experienced management group offers a choice of 3 North American manufacturing locations, including a nearshore facility in Mexico that delivers high quality, cost efficient production with shorter lead times than other overseas contract manufacturers. If you have a need to source a lower cost option domestically in a timely manner, we are your solution.

The KS Group is a world-leading custom injection molding/Contract manufacturing company servicing the Healthcare and Commercial industry.

Through experience and care, the KS Group provides a vertically integrated platform of capabilities that deliver unrelenting quality and service.