Established in 1992, INX International Ink Co. is one of the leading providers of inkjet inks for digital printing throughout the United States. Based in Appleton, Wis., it specializes in producing inks. The firm offers a range of products, such as bag, folding carton, tag and label, to name a few. It operates more than 25 plants in North America and has over 50 locations on four continents. INX International Ink Co. is part of Sakata INX Corporation.