Institution
- Ṭekhniyon, Makhon ṭekhnologi le-Yiśraʼel2
- U. S. Secretary of Energy Advisory Board1
- U.S. Antarctic Program Blue Ribbon Panel1
- U.S. Atomic Energy Commission2
- U.S. Consumer Product Safety Commission2
- UNC Lineberger Comprehensive Cancer Center1
- UNIAX Corporation1
- US Army Laboratory at Fort Belvoir, Virginia1
- US Army Petroleum School1
- US Department of State1
- US Department of Veterans Affairs Medical Center1
- US District Court for the District of Columbia1
- US Embassy, Paris1
- US Rubber Reserve Corporation1
- US–USSR Commission on Science and Technology1
- Unesco1
- Uniformed Services University of the Health Sciences.1
- Unilever (Firm)1
- Union Carbide Company2
- Union Carbide Corporation5