| Name | Phone | Category |
| U.S. Army Corps of Engineers - Alaska District | (907)753-2522 | Services |
| U.S. Small Business Administration | (907)271-4022 | Services |
| UAA College of Business & Public Policy | (907)786-4149 | Education |
| Ukpik, LLC | (907)375-6600 | Services |
| UMIAQ | (907)677-8220 | Oil, Gas & Mining |
| United States Air Force | (907)552-2100 | Services |
| United States Army, Alaska | (907)384-2175 | Services |
| United States Department of Veterans Affairs | (907)257-5460 | Services |
| United Way of Anchorage | (907)263-3800 | Non-Profit Organizations, Associations |
| Univar USA Inc. | (907)344-7444 | Wholesale / Distributor |
| University of Alaska Anchorage | (907)786-1437 | Education |
| University of Alaska College Savings Plan | (907)450-8115 | Non-Profit Organizations, Associations |
| University of Alaska, Statewide Corporate Programs | (907)786-6949 | Non-Profit Organizations, Associations |
| University of Washington Executive Education | (206)685-3932 | Education |
| UPS | (907)249-6230 | Services |
| UPS Store, The | (907)276-7888 | Services |
| URS Corporation | (907)562-3366 | Professional |
| US Metal Recycling, Inc. | (907)770-2601 | Services |
| USKH, Inc. | (907)276-4245 | Professional |
| USTravel | (907)561-2434 | Services |
