In 2005, Christopher Robert Corporation and Limoport Arizona separated to form Limoport Transportation, which provides a range of transportation services. The company maintains a fleet of sedans, vans and limousines. It has vehicles from several makes, such as Chrysler, Lincoln and Hummer. Limoport Transportation organizes day trips to Arizona s areas of attraction, including Kartchner Caverns State Park, Kitt Peak National Observatory, Old Tucson Studios and Arizona-Sonora Desert Museum.