Adler

Apple

Brother

Canon

Casio

Citizen

Citoh

Compaq

Data General

Dataproducts

Daisywriter

Datamax

Decision Data

Dell

DEC

Epson

Fujitsu

GCC

General

Gestetner

Harris

Hewlett Packard (HP)

IBM

Kodak

Konica

Kyocera Mita

Lanier

Lexmark

Memorex

Minolta, QMS

Muratec

NCR

NEC

Newgen Sys

Okidata

Olivetti

Olympia

Omnifax

Panasonic

Pitney Bowes

QMS

Ricoh

Royal

Samsung

Savin

Sharp

Siemens

Sony

Standard Register

TallyGenicom

Toshiba

Xerox Tektronix

Xerox