| Abbreviation | Definition |
|---|---|
| RNHIE | Reunited Holdings, Inc. |
| RNHIE | Reunited Holdings, Incorporated (de-listed) |
| RNHIE | Reunited Holdings, Incorporated (de-listed) |
| RNIC | Robinson Nugent, Inc. |
| RNIC | Robinson Nugent, Incorporated (de-listed) |
| RNIC | Robinson Nugent, Incorporated (de-listed) |
| RNMCE | Rand McNally & Company |
| RNTK | Rentech, Inc. |
| RNTLE | Rockwood National Corporation |
| RNTT | RnetHealth, Inc. (delisted) |
| RNWK | RealNetworks, Inc. |
| ROAC | Rock Of Ages Corporation |
| ROAD | Roadway Express, Inc. |
| ROBE | Royal Bodycare, Inc. |
| ROBO | Eshed Robotec 1982, LTD. |
| ROBV | Robotics Vision Systems, Inc. |
| ROCE | Rockies Fund, Inc. |
| ROCK | Gibraltar Steel Corporation |
| ROCLF | Royal Olympic Cruise Line |
| ROCM | Rochester Medical Corporation |