Keller Engineers Hires Transportation Construction Inspector
July 8, 2025, Hollidaysburg, PA – Keller Engineers, Inc., with locations in Hollidaysburg, State College, and Gettysburg, PA and Haddonfield, NJ is a full-service engineering firm providing client-focused civil and structural engineering, and surveying services. Keller Engineers, Inc. is excited to welcome Doug Coffman to the Transportation Division as a