Orr Acoustics Categories Contractors 5880 Rock Haven Harbor Mandan ND 58554-5403 (701) 663-3029 667-1921 About Us Suppy and install all types of acoustical materials, glas-board, linear metal ceilings Rep/Contact Info Randy & Barb Orr × Randy & Barb Orr Share × Print Email Facebook Twitter LinkedIn Tell a Friend ×