| Abbreviation | Definition |
|---|---|
| RODC | Integrated Surgical Systems |
| RODC | Integrated Surgical Systems (de-listed) |
| RODC | Integrated Surgical Systems (de-listed) |
| RODCW | Integrated Surgical Systems Warrants |
| RODCW | Integrated Surgical Systems Warrants (de-listed) |
| RODCW | Integrated Surgical Systems Warrants (de-listed) |
| ROEB | Roebling Savings Bank of New Jersey |
| ROEB | Roebling Savings Bank of New Jersey (de-listed) |
| ROEB | Roebling Savings Bank of New Jersey (de-listed) |
| ROGEL | Rochester Gas & Electric Corporation |
| ROGEM | Rochester Gas & Electric Corporation |
| ROGEO | Rochester Gas & Electric Corporation |
| ROHHY | Roche Holdings, LTD. |
| ROHN | Rohn Industries, Inc. |
| ROIA | Radio One, Inc. Class A |
| ROIE | Return On Investment Corporation |
| ROIL | Remington Oil and Gas Corporation |
| ROIX | Response Oncology, Inc. |
| ROLL | Rollerball International, Inc. |
| ROME | Rome Bancorp |