- U-Haul Co
- U-Haul Co
- UCP Comm Living & Support
- Ultimate Beauty Spa
- Uncle Sam's Submarines
- Unicare Corp
- Uniforms USA
- Union Grill
- United Child Care Union
- United Jewish Federation-Pitt
- United States Products Co
- Univ Internal Medicine Spec
- Univ Of Pittsburgh Dentistry
- Univ Pittsburgh
- Universal Academy-Pittsburgh
