sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| United Self Insured Services | *** |
| U S Interests Section | *** |
| United States and Israel | *** |
| University Student Information System | *** |
| Ungarische Sprache in Schulen | *** |
| Universal Spinal Instrumentation System | ** |
| Universal Spine Instrumentation System | ** |
| U S Industrial Services | ** |
| U S Investigative Services | ** |
| U S Information Services | ** |
| United State Information Service | ** |
| United States Immunization Survey | ** |
| Unmanned Systems in International Security | ** |
| United State Information Services | ** |
| United States Intermodal Services | ** |
| University of Sussex Information Service | ** |
| U S Investigation Services | * |
| Urban Spatial Information System | * |
| University Student Information Systems | * |
| United States Indonesia Society | * |
| Undergraduate Student Information System | * |
| Usable Spatial Information Systems | * |
| undertaken by US Information Service | * |
| UnitedSystems of Independent Society | * |
| Urad Stßtnf Informacnf SystTm | * |