Briggs & Stratton is a privately held American manufacturer of air-cooled gasoline engines for outdoor power equipment, headquartered in Milwaukee, Wisconsin. Founded in 1908, the company employs over 3,400 people worldwide and is known for its engines used in lawn mowers, generators, pressure washers, and other outdoor power equipment. In addition to engines, Briggs & Stratton also designs, manufactures, and markets lithium-ion batteries, standby generators, energy storage systems, lawn and garden equipment, turf care products, and job site products.