| BP |
Amoco |
| Honeywell |
Fluor Daniel |
| Shell |
Husky Oil |
| Kvaerner |
Nestle |
| Tremco Corp. |
Enbridge |
| Pennzoil |
Georgia Pacific |
| Bantrel |
Mattel |
| Optima |
Valvoline |
| Citgo |
Unocal |
| Suncor |
Westcoast Energy |
| Glaxo Wellcome |
Goodyear Tire |
| Worley Limited |
TransCanada PipeLines |
| Colt Engineering |
PanCanadian Petroleu m |
| NWT Power Corporation |
Pembina Resources |
| Toyo Engineering |
Veco Engineering |
| Stanley Industrial |
The Trane Company |
| Agra Monenco |
SNC Lavalin |
| Paramount Reso |
Jacobs Canada |
| Exxon Mobil |
TriOcean Engineering Ltd |
| Heinz Food Company |
Los Alamos National Laboratory |
| urces |
|
| |