- Advanced Dental Solutions
- Advanced Laser Clinics
- ADVIS
- Advisory Board Assoc
- Aesthetic Plastic Surgery
- Affordable Container Svc
- AGC Inc
- Agnes Irwin School
- Agnes Irwin School Summer
- Agostino
- Aida Armani Color Group
- Air Chef Holdings
- Alcoholics Anonymous
- Alexander Viscidi Plbg & Drain
- Algar Ferrari Of Philadelphia
