Supco

Supco is one of the leading manufacturer of HVAC/R equipment such as: Vacuum and Pressure Gauges, Air Quality Meters, Leak Detectors, Refrigerant Scales, Supco Chart Recorders, Temperature and Alarm Controls, Temperature and Humidity Testers, Thermometers, Water Alarms, Multimeters, Current Probes, and Data Loggers. Since 1945 the Supco Instruments are made in the USA.