- Advanced Electrolysis
- Advanced Medical Systems
- Advanced Skin Care
- Advanta Corp Operations
- Advantage Health Svc
- Aegis Industrial Software Corp
- Affordable Custom Enclosures
- Afilias LLC
- Ahdi I Elias MD
- Airgas Inc
- Albert Custom Kitchens
- Albertson Beauty
- Alexanderwerk Inc
- Alexandra Baker & Assoc
- Alexandra Baker DDS
- All Tune & Lube
- Allegheny Ludlum Steel Corp
- Allegiance Technology Partners
