360 Networks/Group Telecom
Aliant
ANI Networks
Bell Canada
Broadwing
Citizens/Frontier
CenturyTel
Cogent
EDS
FiberNet Telecom Group
Global Crossing
Level 3
Logix Communications
Loto Quebec
Microcell
McLeodUSA
Northwest Telephone Inc
NTS Communications
Ontario Lottery Corp
Qwest
Rogers Telecom
SaskTel
TELUS
Verizon
Winstream