Epson, AGFA, Apple, APS-PS, AST, AT&T, Brother, C-Itoh, Canon, CITIZEN, Compaq, Dataproducts, Diconix,
Digital, Fujitsu, GCC, Gestetner, HP, IBM, Kodak, Kyocera, LaserMaster, Lexmark, Mannesmann, Microsoft, Microtek, Minolta, NEC, OceColor, Okidata, Olivetti, Panasonic, QMS, Qume, Radio Shack, RICOH, Schlumberger, Scitex, Seikosha, SHARP, Shinko, STAR, Tandy, Tektronix, Texas Instruments, TOSHIBA, Unisys, Varityper, Wang, Xante, Xerox