- Asphalt Care Co Inc
- Assets Montco
- Associated Surgeons
- Associated Surgical Group PC
- Astor & Logan Apartments
- Astoria Family Restaurant
- At The Hairshack
- Atelier Marolles
- Atkins & Cohen
- Atlantic Telecommunications
- Atlas Flasher & Supply Co Inc
- Atlas Travel
- ATM America Inc
- ATM Bancorp Inc
- Audiologic Diagnostic
