1952-03-14 to 1978-09-11
GREAT LAKES CARBON CORPORATION (CANADA), LTD.
1978-09-11 to 1980-12-08
GREAT LAKES CARBON CORPORATION (CANADA), LTD.
1978-09-11 to 1980-12-08
GREAT LAKES CARBON CORPORATION (CANADA), LTEE
1980-12-08 to 1981-03-04
ELECTRODES G.L.C. CANADA INC.
1981-03-04 to 1992-05-12
G.L.C. CANADA INC.
1992-05-12 to 1995-07-20
S.G.L. CANADA INC.
1995-07-20 to 2017-10-02
SGL CANADA INC.
2017-10-02 to Present
SHOWA DENKO CARBON CANADA INC.
2017-10-02 to Present
SHOWA DENKO CARBONE CANADA INC.
Certificate of Amendment
Certificate of Amendment