State Wide MLS of Rhode Island, Inc. State-Wide MLS is a Multiple Listing Service part of the Rhode Island Association of REALTORS® (RIAR), also known as ri realtors. The entity, founded in 1948, is headquartered in Warwick, RI and takes great pride in being considered the voice of real estate in the state of Rhode … Continue reading State Wide MLS of Rhode Island, Inc. [rimls]