sort by Rank | Alpha
| Possible Meanings | Rank |
| United States Advisory Council | **** |
| United States Airsoft Corps | **** |
| United States Air Corps | **** |
| University Studies Abroad Consortium | **** |
| U S Advisory Council | **** |
| Utah State Agricultural College | **** |
| Universal Service Administration Corporation | **** |
| Universities Study Abroad Consortium | **** |
| United States Advisory Committee | *** |
| Undergraduate Students Association Council | *** |
| United State Army Corps | *** |
| University Student Affairs Committee | *** |
| Universal Services Administrative Company | *** |
| U S Advocacy Committee | *** |
| United States Antimony Corporation | *** |
| University Study Abroad Consortium | *** |
| United States Autosound Competition | *** |
| University Staff Advisory Committee | *** |
| University of San Carlos | *** |
| United States Automobile Club | *** |
| University Staff Advisory Council | *** |
| Universal Service Administration Company | *** |
| University Students Against Cancer | *** |
| United Stor All Centers | *** |
| United States Aluminum Corporation | *** |
| United States Aerospace Command | ** |
| Undergraduate Student Advisory Committee | ** |
| University of Sussex Archery Club | ** |
| University Student Advisory Council | ** |
| University Sports and Aquatic Centre | ** |
| Undergraduate Student Association Council | ** |
| University Space Allocation Committee | ** |
| Universities Studies Abroad Consortium | ** |
| Utrechtse Studenten Alpen Club | ** |
| University Student Apartment Community | ** |
| Union Station Assistance Corporation | ** |
| United States Amateur Confederation | ** |
| Undergraduate Student Affairs Committee | ** |
| U S Advisory Committee | ** |
| Undergraduate Student Advisory Council | ** |
| University Substance Abuse Clinic | ** |
| University Study Abroad Committee | ** |
| Universal Services Administration Company | ** |
| University of Saskatchewan Arts Council | ** |
| U S Amateur Confederation | ** |
| United States Alumoweld Company | ** |
| University Sustainability Action Coalition | ** |
| University System Africa Council | ** |
| University Student Affairs Council | ** |
| Underrepresented Student Advisory Council | ** |
| Union of South American Countries | ** |
| Uttaranchal Space Application Centre | ** |
| United States Activities Committee | ** |
| U S Autosound Competition | ** |
| Universal Services Administration Corporation | ** |
| University Studies Advising Center | ** |
| USA South Athletic Conference | ** |
| United Students of All Cultures | ** |
| User Services Area Council | ** |
| University Space Advisory Committee | * |
| Upper Saucon Ambulance Corps | * |
| Union Station Advisory Committee | * |
| United States Advisory Commission | * |
| United States Autosound Competiton | * |
| Univ Studies Abroad Consortium | * |
| Univeral Service Administrative Company | * |
| Universal Service Administration Corp | * |
| Universal Service Adminstrative Company | * |
| United States Asia Center | * |
| United States Arms Control | * |
| United States Atlantic Command | * |
| United States Arms Control and | * |
| UniServe Australia a Collection | * |
| United States Awning Company | * |
| University of South Africa Computer | * |