Industries List
| Name | Province | City | |
|---|---|---|---|
| Orica Brownsburg - Orica Canada Inc. | Quebec | Brownsburg-Chatham | |
| Orion Facilities - Strathcona Resources Ltd. | Alberta | no physical address | |
| Orion Pembina 8-8-47-9W5 - Inplay Oil Corp. | Alberta | Pembina | |
| ORION S CAROLINE SUNDRE - Bonavista Energy Corporation | Alberta | SCA NOP N | |
| Orlando - Sofina Foods Inc./Aliments Sofina Inc. | Ontario | Mississauga | |
| Oshawa - McAsphalt Industries Ltd. | Ontario | Oshawa | |
| Oshawa Assembly Plant - General Motors of Canada Company | Ontario | Oshawa | |
| Oshawa Branch - Safety-Kleen Canada Inc. [principal] | Ontario | Oshawa | |
| OSHAWA PLANT - A.G. Simpson Automotive Inc. | Ontario | Oshawa | |
| Osprey Comp Stn A-003-J - Canadian Natural Resources Limited | British Columbia | Peejay |
