| Rank | Abbreviation | Meaning |
|---|
| ***** | TGSC | The Good Scents Company
| |
| **** | TGSC | The Greatest Sales Company
| |
| **** | TGSC | The Geological Survey of Canada
| |
| **** | TGSC | Tomato Growers Supply Co.
| |
| **** | TGSC | Techniques et Gestion de Scème
| |
| **** | TGSC | Trans-Global Sales Corporation
| |
| **** | TGSC | The Great Subconscious Club
| |
| **** | TGSC | Transnational and Global Studies Center
| |
| **** | TGSC | Toshiba Global Support Centre
| |
| *** | TGSC | Toshiba Global Support Center
| |
| *** | TGSC | Texas General Services Commission
| |
| ** | TGSC | The Great Space Coaster
| |
| ** | TGSC | Temple Guaracy of Santa Cruz
| |
| ** | TGSC | The Great Sea Company
| |
| ** | TGSC | The Grove Street Cemetery
| |
| ** | TGSC | Total Gear Suction Capacity
| |
| ** | TGSC | Trapped Gully with Sealed Cover
| |
| ** | TGSC | Town Government Study Committee
| |
| ** | TGSC | Toronto Garrison Sailing Club
| |
| ** | TGSC | Tony Galvez School of Cosmetology
| |
| * | TGSC | Toronto Gay Ski/Snowboarding Club
| |
| * | TGSC | Tombigbee Girl Scout Council
| |