saisho - santek - satek - santron - saft - samsung - saxon - scomark - sears - serd - serar - seiko - sekisui
selectronics - silver-reed - soennecken - sovrin - sperry - sheen - siemens - seiko - scientec - sinclair - sigma - sceptre
summit - slimitron - scm - soundesign - summit - systema - superlectron - starlon - swintec