Established in 1939, Independent Ink Inc. is a custom formulator of government and military specification inks and solvents. Based in Gardena, Calif., it originates as a custom manufacturer of aerospace specification inks. The company develops inks for Hi-Resolution barcoding application as well as a line of Digital Graphic inks for wide-format printing. Independent Ink Inc. developed inks and makeup inks for use in both large character DOD (Drop on demand) equipment and small character CIJ (Continuous ink jet) equipment. Its products include industrial and marketing inks, and digital graphics. The company also offers marking inks for the food, beverage, packaging, electronics, rubber and military markets.