v ITW Ramset/Red Head Jack Klasey J. A. Sexauer Mfg. Co., Inc. John Guest® Josam Manufacturing Co. Kohler Co. Laramy Products Co., Inc. Makita USA, Inc. Mansfield Plumbing Products Mayville Engineering Co., Inc. MD Building Products, SmartTool Mill-Rose Co. Milwaukee Electric Tool Corp. Mobile Drilling Co. Modern Hanger Corp. Moldex-Metric, Inc. Monogram Industries, Inc. MSA—The Safety Company Mueller Co. Multi-Flo Waste Treatment Systems National Fire Protection Association National Institute for Occupational Safety and Health NeoPure, NeoLogic Solutions NIBCO, Inc. North American Heating and Air Conditioning Wholesalers Association North Safety Products NORWECO® Norwalk Wastewater Equipment Co. NuTone Oatey, SCS Ohio Division of Safety and Hygiene Parker Hannifen Corp. Peabody Barnes Phillips Drill Co. Polymetric Services, Inc. Porter-Cable Precision Plumbing Products, Inc. Rain Bird Corporation Recal Health & Safety, Inc. Red-White Valve Corp. Rheem Mfg. Co. Ridge Tool Co. Sanderson Cyclone Drill Co. S-B Power Tool Co. Schott AG Seymour SFA, Saniflo Inc. Siebe North, Inc. Sloan Valve Co. Snyder Tank Stanley Tools Sterling Plumbing Group, Inc. Sullair Superior Tool Company Swan Technology Research Corp. The Charles Machine Works, Inc. The Fairbanks Co. The L.F. Garlinghouse Co., Inc. The Logan Clay Products Co. The L. S. Starrett Co. The Ridge Tool Co. ThermaSol, Ltd. Toro Mfg. Corp. U-Mark, Inc. Union Fork and Hoe, Inc. United Industries, Inc. Victaulic Company Victor Technologies Viega LLC Wade Mfg. Co. Waterless Co., Inc. Water Systems Council Water Research Foundation Watts Industries, Inc. Watts Regulator Co. Weather-matic Div., Telsco Ind. Wedge Innovations Werner Co. Westwater Supply Co. Wheeler Mfg. Division of Rex International USA, Inc. William Powell Co. Worthington Industries Wrap-on Co., Inc. Zipwall, LLC Zircon Corp. Zurn Engineered Water Solutions®