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?Other Linkhttp://yellowpages.com/new-derry-pa/mip/knopp-services-460958529CategoriesTax Return Preparation, Tax Reporting Service Suggest an Edit