PSI Acquires Cobblestone Engineering, Inc.

Oakbrook Terrace, IL – Professional Service Industries, Inc. (PSI), a leading independent engineering and testing firm with approximately $260 million in annual revenues, is pleased to announce the acquisition of Cobblestone Engineering, Inc. (CEI). This acquisition closed and is effective June 2, 2014. CEI is a Texas Corporation founded in Harlingen, TX in 1994 with […]