| Abbreviation | Definition |
|---|---|
| RIG | Transocean Offshore, Inc. (now Transocean, Inc.) |
| RIG | Transocean Sedco Forex, Inc. (now Transocean, Inc.) |
| RIT | RightChoice Managed Care, Inc. |
| RJF | Raymond James Financial, Inc. |
| RJR | R. J. Reynolds Tobacco Holdings, Inc. |
| RKT | Rock- Tenn Company |
| RKY | Adolph Coors Company |
| RL | Ralph Lauren Polo Corporation |
| RLC | Rollins Truck Leasing Corporation |
| RLI | RLI Corporation of Illinois |
| RLM | Reynolds Metals Company |
| RLR | Reliastar Financial Corporation |
| RLRPA | Reliastar Financial Corporation Preferred Class I |
| RLRPB | Reliastar Financial Corporation Preferred Class II |
| RMD | Resmed, Inc. |
| RMG | Ragen MacKenzie Group, Inc. (now de-listed) |
| RMG | Rainbow Media Group |
| RMK | ARAMARK Corporation |
| RML | Russell Corporation |
| RMY | Delco Remy International, Inc. |