MANSFIELD, Ohio--(BUSINESS WIRE)--The Gorman-Rupp Company (NYSE MKT: GRC) announces that its wholly-owned subsidiary, National Pump Company ("NPC"), has completed its purchase of the business of Bayou City Pump, Inc. ("BCP") based in Houston, Texas. During 2013, BCP had approximately $16 million in revenue from sales of its products and services through its Houston, Texas headquarters and its service facility location in Baton Rouge, Louisiana. The terms of the asset purchase agreement are undi