The borough of Queens is home to 49 Engine Companies, 32 Truck Companies, 2 Squad Companies, and 1 Rescue Company quartered in 48 Firehouses(Queens is the only borough to have a permanent "double engine" house). They protect a population of 2.2 million residents over an area of 112 square miles. In 2017, Queens companies responded to 115,722 calls, of which 563 were All-Hands or greater. The busiest company in Queens in 2017 was Engine Co. 298 with 6013 runs.