CAPP/USA is a leading supplier, manufacturer and distributor of Process Instrumentation, HVAC (Heating, Ventilating, and Air ... Conditioning), Boiler, Burner, Flame Safeguard, and Electrical Controls. Since 1950, our mission has been to serve the full needs of our customers. As a leading manufacturer and repairer of HVAC and Process Instrumentation products, our manufacturing activities complement distribution by backing-up product sales with in-depth, value-added troubleshooting and engineering expertise. read more