GNRI Class SG was created in 1913.
GNRI Class Q was created in 1899.
GNRI Class S was created in 1913.
GNRI Class U was created in 1915.
GNRI Class V was created in 1932.
.sg was created in 1988.
SG Biofuels was created in 2007.
Gibson SG was created in 1961.
SG Egelsbach was created in 1945.
SG Aulendorf was created in 1900.
Barmbecker SG was created in 1939.
SG Andernach was created in 1999.
SG Adlershof was created in 1908.