- Port-O-Let A Waste Management Company
- Portrait Gallery
- Portrait Shoppe
- Portrait Solutions
- Portrait Studio
- Posh
- Positive Changes Hypnosis Center
- Positive Image
- Positive Images
- Possibilities
- Post OFC
- Postal Annex
- Postal Center
- Postal Center IV
- Postal Center USA
- Postal Connection
- Postal Connections
- Postal Connections of America
- Postal Service
- Postman Plus
- PostNet
- PostNet Lake Mill
- Pot Belly Deli
- Potbelly
- Potpourri
- Pottery Barn
- Pottery Barn Kids
- Potting Shed
- Powder Puff Beauty Salon
- Powell & Associates
- Powell Construction
- Powell Insurance Agency
- Power Clean
- Power Electric
- Power Engineers
- Power Equipment
- Power House
- Power Plant
- Power Plus