| Acronym | Definition |
|---|
| USST➣US Smokeless Tobacco (various locations) |
| USST➣University of Shanghai for Science and Technology (China) |
| USST➣United States Super Trucks (racing association) |
| USST➣United States Ski Team |
| USST➣U. S. Stock Transfer Corporation |
| USST➣Upgrading the Statistical System of Turkey (EU) |
| USST➣United States Shooting Team |
| USST➣United States Satellite Telecommunications |