- Audio Visions
- Audio Visual Headquarters
- Audio Visual Innovations
- Audio Works
- Audiological Services
- Audiology Associates
- Audiology Consultants
- Audrey's Beauty Shop
- Audubon Area Community Services
- August Max Woman
- August Moon
- Auntie Annes
- Auntie Anne's Pretzels
- Aurelio's Pizza
- Aurora Behavioral Health Center
- Aurora Casket Company
- Aurora Cooperative
- Aurora Healthcare
- Aurora Pharmacy
- Aurora Rehabilitation Center - Outpatient Physical Rehabilitation Cli
- Aurum Technology
- Austin
- Austin Construction
- Austin Electric
- Austin Powder
- Austin Radiological Association - Clinics
- Austin Title
- Austin's Pizza
- Authorized Cellular
- Auto & Truck Glass
- Auto Accents
- Auto Advantage
- Auto America
- Auto Barn
- Auto Body Concepts
- Auto Body Shop
- Auto Body Specialists
- Auto Body Specialties
- Auto Body Supply