| Abbreviation | Definition |
|---|---|
| USCV | USCardioVascular, Inc. |
| USCX | US Coal Exchange |
| USD | United Skate Design |
| USDCO | Underground Secure Data Center Operations |
| USDMA | U.S. Domestic Manufacturing Association |
| USDSA | United States Direct Selling Association |
| USEA | United States Energy Association |
| USEC | United States Enrichment Corporation |
| USEE | Ultra Star Electronics Equipment |
| USEE | United States Enrichment Enterprise |
| USEI | U.S. Ecology Idaho |
| USEL | U.S. Engineering Laboratories, Inc. |
| USEL | Ulster Supported Employment Ltd |
| USEM | United Suppliers for Engineering Materials |
| USF | United Sardine Factories |
| USF | United Sardine Factory |
| USF&G | United States Fidelity And Guarantee |
| USFC | United States Filter Corporation |
| USFC | USA Synthetic Fuel Corporation |
| USFI | United States Forest Industries, Inc. |