CANON(1)

CORNING(2)

GIBCO BRL(2)

GILFORD(1)

GILSON(1)

HACKER INSTRUMENTS(1)

IEC(2)

JELENKO/PENWALT(1)

LEITZ(1)

LIFE TECHNOLOGIES BRL(1)

NESLAB(1)

PRECISION(1)

RAININ / EDP(1)