Sheffler has an unparalleled level of expertise in surveying, civil engineering, and site development/land planning with registered professional engineers and surveyors licensed in PA, WV, OH, VA, KY & NC. Gary’s son, Gary A. Sheffler, Jr., PE/PLS, is the Principal in Charge of Engineering & Surveying Services while his wife, Cristina Sheffler, serves as company President.