We’ve researched the best Business For Sale directories on the web and listed them below. To speed your search, each link is pre-set to deliver Missouri businesses for sale only: Missouri Business For Sale Resources. Learn 100′s of tips, proven strategies and expert techniques to help you find and buy the right business. Visit The Business Buyer Resource Center. Information that covers each step of the buying process and every possible situation you will encounter. The most widely used reference resource for business buyers..