Advanced Flame Hardening Incorporated
Adesso Precision Machine Company
Advanced Energy Industries Inc.
Advanced Heat Treat Corp. – Cullman
Advanced Heat Treat Corp. – Monroe
Advanced Heat Treat Corp. – Waterloo
Advanced Surface Technologies Inc.
Aerospace Testing and Pyrometry
Agilent Technologies Vacuum Products
Aichelin Heat Treatment Systems Inc.
Ajax Tocco Magnethermic Corp. – Detroit