USFilter 181 Thorn Hill Rd. Warrendale, Pennsylvania 15086 Tel: 508-347-7344 Sells a broad range of water & wastewater treatment equipment and supplies for industrial, commercial, municipal & institutional markets. Including filter cartridges, chemical feeders, skid mounted systems, clarifiers & large scale microfiltration membrane systems. Copyright © Industrial Leaders All rights reserved.  Privacy Statement Please read important copyright notices and disclaimers information.