- Joanne Siciliano
- Joel Posner MD
- John A Pinto Landscaping
- John C Ouligian MD
- John E Boyd Inc
- John Henry's Pub
- John Reitano DO
- John Rothschild's Deli
- John Rusk MD
- John's Sneaks
- Join In Productions
- Joseph Falcone Construction
- Joseph Stong Inc
- Joyce Gayle Design
- Joyce's Hair Fashions
- Julius Rigo Furniture Maker
- Junior League Phila Inc
- Junior League Thrift Shop
- Just Chairs & Tables
