We are the Premier Concrete Driveways and Sidewalks Service in the Lehigh Valley! Troy Diehl and Diehl Paving is a licensed and insured asphalt paving contractor located in the Lehigh Valley. Diehl provides quality paving services and hardscaping to homes and businesses within a 100 mile radius of Allentown, Lehigh Valley, PA area. Diehl warrants their asphalt paving work for 5 years and is a recipient of the Morning Call’s Reader’s Choice Award. Troy is proud to continue in the tradition of providing superior quality paving work, with well over 20 years’ experience in the asphalt paving business.