OSG USA, INC. is located in St. Charles, IL and is a subsidiary of OSG Corporation. OSG Corporation was founded in 1938 and is a publicly held company headquartered in Toyokawa, Japan.

OSG is a leading manufacturer of taps, end mills, drills, and indexable cutting tools. OSG’s extensive line of over 37,000 products of high technology cutting tools features exclusive metallurgy, cutting geometries and proprietary surface treatments to help increase productivity, reliability and tool life.

OSG markets its products to numerous industries including automotive, die mold, aerospace, energy, and heavy industry that aligns with DGI Supply.