- Antares Pharma Inc
- Anthony R WEBB Architects
- Anthony's Wood Oven Pizzeria
- Aoki Japanese Restaurant
- Apothecom Assoc
- Apothecom Assoc LLC
- Appetites On Main
- Apple Press LTD
- Applebee's Neighborhood Grill
- Applied Data Solutions
- Applied Technologies Inc
- Applied Technology Intl LTD
- Appraisal & Valuation Svc Co
- APS Wireless
- Aqua Pennsylvania Inc
- Arcadia Design
- Architectural Concepts
- Architectural Solutions
- Arcus Design Group Inc
