At St. Clair, we take pride in listening to our customers'​ needs and how they want to do business. "Full Service"​ and "Partnership"​ are not just jargon or buzz-words to us. We realize your success depends on our ability to respond to change, to deliver quality and reliability and to reduce manufacturing costs. From a simple connector to a complete wire harness system, let us put our ability and experience to work for you.Products • Discrete wire harness assemblies for the automotive, appliance, industrial, heavy truck, military, bus, motorcycle, hybrid/ev, con/ag and RV markets. • Panel assemblies • Molded connectors and grommets • Vehicle Lighting System Solutions (potted socket manufacture and assembly) Production SystemsOur various production systems are a combination of the best aspects of the ERP or "push"​ system along with the best features of the KANBAN or "pull'​ system.