- A W & Sons
- A Woman's Concern Pregnancy
- A-1 Property Svc
- A-Bit Computers Inc
- AA Transit Inc
- AAA Southern Pa
- AAA Travel Agency
- AAMCO Transmissions
- Abba's House Baby Land & Daycr
- ABC Children's Ctr
- ABC Inc
- Acacia Fraternity
- Accadia
- Access 214
- Accommodations B & B
- Accounting Software Solutions
- Ace Answering Svc
