The Centennial Pump Co. is a solely owned subsidiary of A.R. Wilfley and Sons, Inc. The entity is operated independently from ... Wilfley Pumps via a separate sales & distribution network to support our ANSI pump offering. Our ANSI pump offering provides new hydraulic designs developed using the knowledge and experience gained from A.R. Wilfley's over 100 years of designing and manufacturing centrifugal pumps. Semi open impellers allow us to maintain high efficiencies while allowing for solids handling capabilities. Each size within our ANSI pump line exceed the Department Of Energy's Pump Energy Index. Robust, modular design make our ANSI pump line easy to assemble, disassemble, and maintain. Our dedicated customer support team help customers with access to our large domestic inventory, and guide them through the order placement and fulfillment process. The Centennial ANSI pump is an exciting new approach to a mature, established market. read more