Your SOURCE for real estate listings in the Mid-South. RealTracs is dedicated to the delivery of quality products and services to its customers, both internal and external, through a system of core values that are the basis for every decision and standard of service throughout the organization. General Information Realtracs was established January 1, 1996 and formed by seven REALTOR® associations in Middle Tennessee by merging four independent MLS operations. Currently there are over 18,000-plus users in more than 1,700 offices.