| U.S. Committee for Refugees and Immigrants |
U.S. Labor Against the War - Bay Area Affiliates |
| UCanDanc African Healing Arts ( Albany, CA ) |
Unconventional Action |
| Uncovered: The Whole Truth About the Iraq War |
Under One Roof ( San Francisco, CA ) |
| UnEarth Productions |
Union for Radical Political Economics |
| Union for the Public Domain |
Union of Concerned Scientists (West Coast Office) ( Berkeley, CA ) |
| Union of Needletrades, Industrial, and Textile Employees |
Unitarian Universalist Church of Berkeley ( Kensington, CA ) |
| Unitarian Universalists of Petaluma ( Petaluma, CA ) |
Unitarian Universalists of San Mateo ( San Mateo, CA ) |
| Unitarian Universalists of the Bay Area |
United Farm Workers of America AFL-CIO |
| United for a Fair Economy |
United for Justice |
| United for Peace and Justice |
United States Campaign for Burma |
| United States Code |
United Students Against Sweatshops |
| United Taxicab Workers ( San Francisco, CA ) |
Unity Council ( Oakland, CA ) |
| Universal Giving ( San Francisco, CA ) |
Universal Healthcare Action Network |
| University of Minnesota Human Rights Library |
University Professional and Technical Employees ( Berkeley, CA ) |
| Unravelling the Carbon Web |
UNtraining |
| Upaya Center for Wellbeing ( Oakland, CA ) |
Uplifting Green ( Discovery Bay, CA ) |
| Upside Down World |
Upwardly Global ( San Francisco, CA ) |
| Uranium Medical Research Centre |
Urban Ecology, Inc. ( San Francisco, CA ) |
| Urban Habitat ( Oakland, CA ) |
Urban Permaculture Guild ( Oakland, CA ) |
| Urban Sprouts ( San Francisco, CA ) |
Urban Village Farmers' Market Association ( Fremont, CA ) |
| Urban VOICE ( Emeryville, CA ) |
uruknet.info |
| US Labor Education in the Americas Project |
US Vietnam Friendship Association ( San Francisco, CA ) |