1990-07-27 to 1992-11-23
2630133 CANADA INC.
1991-05-30 to 1991-05-30
174624 CANADA INC.
1991-06-27 to 1991-06-27
MEDIATEL INFORMATION SERVICES LTD.
1991-06-27 to 1992-11-23
WORLDLINX TELECOMMUNICATIONS INC.
1992-11-23 to Present
2630133 CANADA INC.