Knopp ServicesWrite a Review724-739-0146Be the first to review!5675 Route 982, New Derry, PA 15671Hi there!Be the first to review!5First-class4Better than most3About what I expected2Not the worst...1DisappointingClick to RateMore Business InfoHoursDo you know the hours for this business?CategoriesTax Reporting Service, Tax Return Preparation Suggest an Edit