GC Valves and Components for Automation manufacture the highest quality solenoid valves from their main manufacturing facility in Charlotte, North Carolina. We manufacture anything from 1/8" to 2" NPT and have NSF approval on valves across that range. We have stainless steel, plastic, lead-free brass and other materials of construction to meet demanding specifications. Our valves have a long history and qaulity dating back to the 1940s.