Dispatched to 37 Elio Circle for a reported building fire with smoke coming from an exterior wall. CH77 arrived, confirmed smoke from an exterior wall, and established Elio Command. Confirmed procedures were initiated adding EMS and a RIT team. Ladder 77 arrived and evacuated the remaining apartments. Crews made a quick knock of the fire in the exterior wall and continued to check for extension throughout. Upon completion the incident was turned over to the Fire Marshal for investigation.