Companies catalogue
- U-Neek Concrete, Billings
- UBS Financial Services Inc., Billings
- UET Mixers, Mechanic Falls
- UPMC St. Margaret, Pittsburgh
- US Post Office, Paris
- US Public Health Services, Billings
- USPS, Coraopolis
- Ultimate Party Rental Inc, Providence
- Ultimate Pressure Washing, McDonald
- Ultra Graphics, Billings
- Underwater Adventures, Hampton
- Union Real Estate-Pittsburgh, Pittsburgh
- Unique Pottery, Swansea
- Uniquely Creative Designs, Mechanic Falls
- United States Postal Service, Pittsburgh
- United States Postal Service, Imperial
- United States Postal Service, Presto
- United States Postal Service, Turtle Creek
- United States Postal Service, Duquesne
- United States Postal Service, North Versailles
- United States Postal Service, Greene
- Universal Concrete & Design, Billings
- University Medicine Primary Cr, Providence
- University of Pittsburgh Printing Services, Pittsburgh
- Unplugged Accessories, Billings
- Up Country, East Providence
- Upmc Corporate Real Estate, Pittsburgh
- Upmcc-O Oxford Dev Co, Pittsburgh
- Urban Capital Group, Pittsburgh
- Urban Dream Factory Cinema & Entertainment, Inc., Pittsburgh
- Usps, Pittsburgh
- Uss Real Estate, Pittsburgh
- Utc Fire Safety Services Group, Cohoes