Thompson Supply Company, a trusted name since 1935, specializes in providing top-quality HVAC-R parts, equipment, and supplies to residential, commercial, and industrial clients in Missouri and Illinois. As a third-generation family-owned business, we pride ourselves on sourcing even the hardest-to-find parts, including gas valves, thermostats, furnace control boards, motors, igniters, and more. Our extensive inventory offers both OEM and aftermarket... Read More about Thompson Supply Company