1987-11-25 to 1988-03-24
159184 CANADA INC.
1988-03-24 to 1990-07-11
METALLURGIE SILINTER LTEE
1988-03-24 to 1990-07-11
SILINTER METALLURGY LTD.
1990-07-11 to Present
METALLURGIE SILICIUM ECHE INTERNATIONALE LTEE
1990-07-11 to Present
INTERNATIONAL ECHE SILICON METALLURGY LTD.