Gibson-Thomas Engineering Co. Inc. Share: Consultants Gibson-Thomas Engineering Co. Inc. Visit Website 9951 Old Perry Highway Wexford, PA 15090 (724) 935-8188 About Map About Gibson-Thomas Engineering is a Full-Service, multi-disciplined engineering firm founded in 1916. Gibson-Thomas’ employs over 150 professionals with six offices in PA and a regional office in FL. What's Nearby? Distance: 5 10 15 20 25 50 mi.
