Clean Air Technology, Inc. is a leading "design and build" cleanroom contractor specializing in the turnkey design, engineering, fabrication, installation, startup, and testing of Class 1 to Class 100,000 modular Cleanrooms, P3 & P4 Bio-Hazard containment facilities and custom HVAC equipment. Our cleanrooms feature prefabricated modular, load-bearing, air return walls and top deck systems. We supply products and services to the pharmaceutical, medical, semiconductor, electronic, and aerospace industries as well as many government agencies and universities worldwide. Manufacturing plants and main offices are located in Canton, Michigan USA. with sales representative offices in Singapore and Beijing, China.