American Yard Products, Ariens, Briggs & Stratton, Briggs & Stratton Power Products, Ferris, Generac, Honda, Husqvarna,  Kawasaki, Kohler, Maruyama, MTD, Poulan/Weedeater, Ransomes/Bobcat, RedMax, Snapper, Tecumseh and TroyBilt, to name a few.