- P-N-L Vending Inc
- Phoenix Management
- Photographic Trends
- Pine-Madden Insurance
- Pinecastle Realty LLC
- Pittsburgh Antique Mall
- Pittsburgh Industrial Techs
- Pittsburgh Internet Consulting
- Pittsburgh Piano Restoration
- Pittsburgh Pizza Guyz
- Pittsburgh South Pop & Beer
- Pittsburgh Spray Equipment Co
- Pittsco Foods Inc
- Pizza Co
- Pizza Hut
- Plastic Forming Co Inc
- Plumbers Equipment Co
- Plus Street Development Corp
- Pnc Bank
- Pool & Spa Outlet Inc
- Port-Land Systems Inc
- Porter Athletic Equipment Co
- Powell Electric Corp
- Preferred Financial
- Premier Hockey Supply
- Prima Marketing LLC
- Printing Services Unlimited
- Priority Realty
- Pro Tire & Svc
- Pro Touch
- Process Products & Instruments
- Professional Upholstery Clnng
- Proffesional Planning Conslnts
- Proforma Graphic Comms
- Project Tile
- Providence Child Care Ctr
