| Abbreviation | Definition |
|---|---|
| ROMN | Film Roman, Inc. |
| RONC | Ronson Corporation |
| RONCP | Ronson Corporation Preferred |
| RONE | Regal One Corporation |
| ROOM | Hotel Reservations Network |
| ROSD | Rosedale Decorative Products |
| ROSI | U S A Floral Products, Inc. |
| ROSS | Ross Systems, Inc. |
| ROST | Ross Stores, Inc. |
| ROSWF | Rose Decorative Products |
| ROSWF | Rose Decorative Products (de-listed) |
| ROSWF | Rose Decorative Products (de-listed) |
| ROSX | Ross Industries, Inc., of Virginia |
| ROSX | Ross Industries, Incorporated (de-listed) |
| ROSX | Ross Industries, Incorporated (de-listed) |
| ROTI | anner's Restaurant Group |
| ROTI | Tanner's Restaurant Group |
| ROTIP | Tanner's Restaurant Group Puts |
| ROTIW | Tanner's Restaurant Group Warrants |
| ROTIZ | Harvest Restaurant Group, Inc. |