The St. Pierre Manufacturing Corporation has been making drop-forged, solid steel pitching horseshoes for the past 50 years. Today, they are one of the world's largest manufacturers of pitching horseshoes. St. Pierre produces various horseshoe sets and also manufactures bocce ball sets. Their product line includes the American, a NHPA (National Horseshoe Pitchers' Association of America) approved professional shoe and the Royal, an all-purpose shoe for backyard players. Their bocce ball is the official ball used by the United States Bocce Federation. St. Pierre was founded in 1920 as the St. Pierre Chain Corporation and began as a tire chain manufacturing plant.