| Abbreviation | Definition |
|---|---|
| SGDE | Sportsmans Guide, Incorporated (de-listed) |
| SGDE | Sportsmans Guide, Incorporated (de-listed) |
| SGDN | Surgidyne, Inc. |
| SGDN | Surgidyne, Incorporated (de-listed) |
| SGDN | Surgidyne, Incorporated (de-listed) |
| SGGME | St. George Metals, Inc. |
| SGGME | St. George Metals, Incorporated (de-listed) |
| SGGME | St. George Metals, Incorporated (de-listed) |
| SGGNE | SunGold Gaming International, Inc. |
| SGGNE | SunGold Gaming International, Incorporated (de-listed) |
| SGGNE | SunGold Gaming International, Incorporated (de-listed) |
| SGIC | Silicon Gaming, Inc. |
| SGIC | Silicon Gaming, Incorporated (de-listed) |
| SGIC | Silicon Gaming, Incorporated (de-listed) |
| SGII | S G I International, Inc. |
| SGII | SGI International, Incorporated (de-listed) |
| SGII | SGI International, Incorporated (de-listed) |
| SGLB | Sigma Labs, Inc. |
| SGLBF | Stratos Global Corporation |
| SGMA | Sigmatron International, Inc. |