Aurora Trailer Holdings, LLC Founded in 2003 and headquartered in St. Louis, MO, Aurora Trailer Holdings, LLC owns Aurora Parts & Accessories, LLC and Aurora Trailer Leasing & Rental, LLC. Aurora Trailer Leasing & Rental, LLC, is one of three trailer leasing companies in the United States with a coast-to-coast network of leasing and sales facilities. Aurora Parts & Accessories, LLC, located in Lebanon, IN, is one of the largest suppliers of trailer aftermarket and trailer repair parts in North America.