sort by Rank | Alpha
| Possible Meanings | Rank |
| university museums and collections | **** |
| upper midwest athletic conference | *** |
| United Methodist Archives Connection | *** |
| United Methodist Association of Communicators | *** |
| Universal Martial Arts Center | *** |
| Unified Mission Analysis Centre | *** |
| union multipurpose activity center | *** |
| United Martial Arts Centers | *** |
| Unique Marine Algae Concentrate | *** |
| Undeclared Majors Advising Center | ** |
| United Martial Arts Championships | ** |
| Uganda Mine Action Centre | ** |
| Urban Music Association Canada | ** |
| Unattached Murray Aquatic Club | ** |
| University Memory and Aging Center | ** |
| Urban Monitoring and Awareness Committee | ** |
| University of Manitoba Actuarial Club | ** |
| United Mortgage Acceptance Company | ** |
| Urban Music Awards of Canada | ** |
| Universal Message Authentication Code | ** |
| Upper Montgomery Athletic Club | ** |
| Urban Music Awards CUMA | ** |
| Union Management Advisory Committee | * |
| United Methodist Association of Communications | * |
| United Martial Arts College | * |
| Upper Media Access Control | * |
| Upper Merion Aquatic Club | * |
| Utilization and Marketing Center | * |
| University Ministry Advisory Commission | * |
| Urban Music Academy of Canada | * |
| Union of Martial Arts Club | * |
| United Musicians Against Copying | * |