Organizations
- U OF M DIGT CULT BOOKS Publisher
- U of Iowa P Publisher
- U of Minnesota Press Publisher
- U of Nebraska Press Publisher
- U-turn Press LLC Publisher
- U.C. Davis Law Review Publisher
- U.S. Fish and Wildlife Service Publisher
- U.S. Government Printing Office Publisher
- U.S. Govt. Printing Office Publisher
- U.S. Green Building Council - (Washington D.C., District of Columbia, United States) External Organization
- U.S. Nuclear Regulatory Commission Publisher
- UC Berkeley Publisher
- UCANR Publications Publisher
- UCL Press Publisher
- UCLA American Indian Studies Center Publisher
- UCLA Chicano Studies Research Center Publisher
- UCLA Law Review Publisher
- UCLA School of Law Publisher
- UF/IFAS Publisher
- UMKC Law Review Publisher
- UNAM Publisher
- UNC Press Books Publisher
- UNESP - Universidade Estadual Paulista Publisher
- UNIVERSITY OF NORTH TEXAS DENTON Publisher
- UNM Press Publisher
- UNMSM Publisher
- UNSW Australia - (Sydney, New South Wales, Australia) External Organization
- UPNE Publisher
- UPV/EHU Press Publisher
- UPenn Museum of Archaeology Publisher
- US DOE Publisher
- US GPO Publisher
- US Geological Survey Publisher
- US National Research Council Publisher
- USA Center for Rural Public Health Preparedness Center,Organization
- USDA Agricultural Research Service Publisher
- USENIX Publisher
- USENIX Association Publisher
- USF Law Review Publisher
- UT Austin Publisher
- UT Press Publisher
- UTAD Publisher
- Ubiquity Press Publisher
- Ubiquity Press, Ltd. Publisher
- Uczelnia Zawodowa ZagLebia Miedziowego w Lubinie - (Lubin, Poland) External Organization
- Udens College - (Uden, Netherlands) External Organization
- UiT The Arctic University of Norway Publisher
- Ukrinformnauka Publisher
- Umea University - (UmeƄ, Sweden) External Organization
- UnCaged Toy Piano Organization
- Union College - (Barbourville, Kentucky, United States) External Organization
- Union College - (Schenectady, New York, United States) External Organization
- United Nations Publications Publisher
- United Nations University Press Publisher
- United States Air Force Academy - (Colorado Springs, Colorado, United States) External Organization
- United States Department of Agriculture - (Washington D.C., District of Columbia, United States) Organization,External Organization