Information and Real Estate Services, LLC (IRES) was formed in 1996 as the regional Multiple Listing Service (MLS) for Northern Colorado by five Boards and Associations of REALTORS® in Boulder, Fort Collins, Greeley, Longmont, and Loveland/Berthoud. In addition to these five Boards and Associations, IRES is the MLS provider for the Estes Park Board of REALTORS® and the Logan County Board of REALTORS®.