Star SU is the go-to-market cooperative partnership of Star Cutter Company of Farmington Hills, MI, and SU America, Inc. of Hoffman Estates, IL, the US sales and manufacturing unit to SAMP S.p.A. The companies together represent one of the world’s largest gear machine, tool and gear tool manufacturing producers. The company offers a line of firearm industry products, including gundrills (including high performance / high feed), pull reamers, and rifle buttons for the barrel making process, SRT reamers, small diameter step drills, and PCD tooling for aluminum applications. (less)