The International MLS [IMLS]® | MLS | International MLS Real Estate Search | World's First Internati, The International Multiple Listing Service (IMLS) is created by Brokers for Brokers. Our purpose is to bring the world closer together and increase sales for agencies throughout the world by empowering all agents and brokers to display international property listings for FREE knowing that they can make commissions on a any sale which is generated by their IMLS search.