- Pilgrim Baptist Church
- Pittsburgh Blade
- Pittsburgh Builders Exchange
- Pittsburgh Flatroll Co
- Pittsburgh Furniture Rental
- Pittsburgh Heating & Elec Svc
- Pittsburgh Heating & Elec Svc
- Pittsburgh Housing Authority
- Pittsburgh Mack Sales & Svc
- Pittsburgh Mailing Systems
- Pittsburgh Missing Persons Bur
- Pittsburgh Model & Talent Mgmt
- Pittsburgh New Music Ensemble
- Pittsburgh Plumbing & Heating
- Pittsburgh Police Bureau
- Pittsburgh Police Dept
- Pittsburgh Police Headquarters
- Pittsburgh Police Station
- Pittsburgh Presbytery
- Pittsburgh Swap Meet
- Pittsburgh Transportation Co
- Pittsburgh Voyager
- Poloka Michalik & Co
- Port Authority-Allegheny Cnty
- Postal Service Portersville
- Premier Security Systems LLC
- Process Reproductions Inc
