- Designs By Request
- Destination Philadelphia
- Development Counsellors Intl
- Di Leonardo Siano Advertising
- Di Nardo's Famous Crabs
- Diagnostic & Rehabiltation Ctr
- Dickerson Design & Scenic
- Dickie Mc Camey & Chilcote
- Digital Photo Imaging
- Diocese Episcopal Of Penna
- Diongama Hair Braiding
- Diplomatic Security Bureau
- DIRECTV
- District Police Substation
- Diversified Equity Investments