AGI Engineering Air Filters Inc. Alliance Manufacturing, Inc. Automated Blasting Systems, Inc. Blue Wave Ultrasonics, Inc. Branson Ultrasonics Corp. Cat Pumps Cleaning Deburring Finishing, Inc. Guyson Corporation of U.S.A. Hydro Engineering, Inc. Jensen Fabricating Engineers, Inc./JENFAB Karcher Commercial Lapmaster International Precision Finishing, Inc. PresSure Products Co., Inc. Proceco, Ltd. Ransohoff Stoelting, LLC Upton Industries, Inc.