- Advanced Dermatology Assoc LTD
- Advanced Residential Systems
- Advantage Nutrition
- Aerc Recycling Solutions
- Aerotek
- Aesthetic Surgery Assoc
- Affinity
- Affordable Dentures
- Affordable Quality Svc
- Africa Sourcing
- Ages-Ambulatory Geriatric Svc
- Ahepa 60 Senior Apartments
- Ahner Inground Pools Unlimited
- Aimee Kessler
- Airopak
- Airport Road Emergicenter
- Al Grout
- Alan Berger MD
- Alan Penn Law Offices
- Albert Roth Window Cleaning
- Albright's Auto Sales
- Albrights Hardware
- Alcohol & Drug Treatment Rcvry
- Alexander Stirton
- Alexias Nails
- Alexis Graphics
- All Affordable Pest Control
- All Purpose Security
- Allen Canvas Co
- Allen Gardens
