Horizon Storage LLC Authorized U Haul Dealer Storage in sizes 8x8 to 40x60 15 unique sizes to meet your specific needs By the Month Indoor storage available for autos, boats, RV's On-site Office Access 7 Days a Week 10 Tractor Avenue south of Miles City U-Haul's rental fleet is composed of trucks, trailers, auto-transports, and various other equipment. U-Haul has everything for your local or long-distance move, including truck rentals, trailers, cargo vans, pickup trucks, and self-storage. U Haul offers online reservations.