| Abbreviation | Definition |
|---|---|
| RCI | Rogers Communications, Incorporated |
| RCIa | Rogers On Demand Online |
| RCIb | Rogers On Demand Online |
| RCL | Ridley Inc. |
| RCL | Ridley Incorporated |
| RCM | RuggedCom Inc. |
| RCM | RuggedCom Incorporated |
| RDI | Rockwell Diamonds, Inc. |
| RDL | Redline Communications Group Inc. |
| RDL | Redline Communications Group Incorporated |
| RE | Rock Energy Inc. |
| RE | Rock Energy Incorporated |
| REF | Canadian Real Estate Investment Trust |
| REI | RioCan Real Estate Investment Trust |
| RET | Reitmans (Canada) Limited |
| REZ | Redzone Resources, LTD. |
| RF | C. A. Bancorp Canadian Realty Finance Corporation |
| RF | C.A. Bancorp Canadian Realty Finance Corporation |
| RGL | Royal Gold, Inc. |
| RGL | Royal Gold, Incorporated (de-listed) |