From a 25-year-old copy of Music Trades magazine:
[size=5][u][b]JAPAN[/b][/u][/size]
ATLANSIA = Atlansia
CHU SIN GAKKI = Charvel
ESP = ESP, Focus, Kramer
FUJIGEN GAKKI = Casio, Fender, Greco, Ibanez, Heartfield, Squire (sic), Westone
HEADWAY = Riverhead
KASUGA = Blade, Tune, Washburn, Yamaha
KAWAI = Fernandes, Kawai, Rockoon
MORRIS = Aircraft, Fender, Hurricane, Bill Lawrence, Morris
SHIMOKURA = Boss Axe, Chandler, Mosrite
TAKAMINE = Takamine
TERADA = Aria, Epiphone, Terada
TOKAI = Aria, Greco, Tokai
YAMAHA = Yamaha
[size=5][u][b]KOREA[/b][/u][/size]
CORT = Cort, Hohner, Kramer
SAEHAN = Applause, BC Rich, Celebtiry, Fernandes, Ovation, Vester, Westone
SAMICK = Aria, Epiphone, Hondo, Marathon, Samick, Vantage, Washburn
YOUNG CHANG = Fender, Fenix, Hurricane, Morris, Squier
[size=5][u][b]TAIWAN[/b][/u][/size]
YAMAHA = Yamaha