USS (株式会社ユー・エス・エス, also known as Used car System Solutions) is a company that manages used-vehicle auctions. It operates across three segments: Auto Auction, Used Vehicle Purchasing and Selling, and Recycling. The Auto Auction segment supports in-person and online bidding through a network of auction sites. The Used Vehicle Purchasing and Selling segment involves operations that acquire used vehicles from end users for resale at auctions or retail. The Recycling segment focuses on dismantling and recycling end-of-life automobiles and electronics through group subsidiaries.