| Abbreviation | Definition |
|---|---|
| SUBS | Miami Subs Corporation |
| SUFI | Superior Financial Corporation |
| SUGHP | Supermarkets General Holdings |
| SUHI | Sure Hair, Inc. |
| SUHJY | Sun Hung Kai Properties |
| SUIT | Mens Wearhouse, Inc. |
| SULL | Sullivan Dental Products |
| SULL | ullivan Dental Products |
| SUMC | Summit Care Corporation |
| SUMM | Summit Financial Corporation |
| SUMX | Summa Industries, Inc. |
| SUMX | Summa Industries, Incorporated (de-listed) |
| SUMX | Summa Industries, Incorporated (de-listed) |
| SUND | Sound Advice, Inc. |
| SUND | Sound Advice, Incorporated (de-listed) |
| SUND | Sound Advice, Incorporated (de-listed) |
| SUNL | Sunrise International Leasing of Delaware |
| SUNL | Sunrise International Leasing of Delaware (de-listed) |
| SUNL | Sunrise International Leasing of Delaware (de-listed) |
| SUNO | Sun Country Bank of California |