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 more than $500,000 in annual revenues providing geotechnical engineering, drilling services, environmental consulting and construction materials testing services. CEI has a diverse client base including government, TXDoT, commercial, industrial, civil, utility, petrochemical, waste management and civil projects in the Rio Grande Valley, Central, and South Texas areas.
Importantly, the combination of PSI’s existing Harlingen office with CEI makes this one of the largest engineering, testing and inspection firms of our type in the Rio Grande Valley of Texas.

Ralph O’Quinn, PE, who originally founded CEI, will continue with PSI in a Chief Engineer role. Mr. O’Quinn is the past Chairman of the Texas Section of ASCE (Geotechnical), a Chief Examiner for the American Concrete Institute (ACI) – South Texas Chapter, and most recently served as the President of the State of Texas Section ASCE from 2011 to 2012. All other CEI staff are expected to continue with PSI.

Douglas Dayton, PE – COO of PSI – commented, “I am extremely pleased with the addition CEI’s staff and resources to further expand and strengthen PSI’s already growing Rio Grande Valley operations. CEI brings a long history of providing quality services safely and ethically to their clients which fits perfectly into PSI’s One Company, One Call service delivery platform.”

PSI provides a wide range of environmental, engineering and testing services, including: environmental consulting, geotechnical engineering, construction materials testing and engineering, industrial hygiene services, facilities and roof consulting, NDE, and specialty engineering and testing services. Headquartered in Oakbrook Terrace, Ill., PSI operates from offices nationwide with ~2300 employees and ~$260 million in annual revenues.