ABB Drives & Controls AdEdge Water Technologies, LLC Aeration Industries International Aerzen AllMax Software, Inc. AMETEK Arizona Instrument, LLC Anue Water Technologies, Inc. Aqua-Aerobic Systems, Inc. Blue-White Industries CEM Corporation Eagle Microsystems, Inc. EleMech, Inc. Environmental Dynamics International Evoqua Water Technologies LLC Flowrox, Inc. Force Flow Geomembrane Technologies Inc. Hach Hawkins Water Treatment Group JDV Equipment Corporation Keller America Inc. Komline-Sanderson Landia, Inc. Markland Specialty Engineering Ltd. MELTRIC Corporation Ovivo USA, LLC Paxxo Praxair, Inc. Pulsed Hydraulics, Inc. Sealevel Systems, Inc. Seametrics SEEPEX Inc. Shand & Jurs Smith & Loveless, Inc. Southern Valve & Fittings USA, Inc. USP Technologies (formally US Peroxide) YSI, a Xylem brand