Happ ControlsWrite a Review302-328-4464Be the first to review!77 Mccullough Dr, New Castle, DE 19720Hi 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?CategoriesElectric Equipment & Supplies, Electronic Equipment & Supplies-Wholesale & Manufacturers Suggest an Edit