AMT Calcomp Printers DATAMAX Printers Decision Data Diconix Eltron Printers Genicom Printers Kyocera Printers Mannesmann Tally Memorex Telex NCR Printers Printex Printronix Printers QMS Printers Qume SATO Printers TEC Printers Toshiba Unisys Xerox