As a US Company, all AB-CO PURGE products and components are proudly made in the USA. From the face plate of our purge and pressurization units to the components… gauges, knobs, tubing, fittings, and pressure switches… all are US made. With our main office in Amherst, NY and our Field office in Houston, TX, AB-CO Purge has specialized in the manufacturing of Y and Z Purge and Pressurization Systems for over 35 years. Our company was founded on the fundamental principal of providing exceptional customer service and time-test, cost-effective, and proven solutions in the reduction of explosive risk.