- Appliances
- Appliances customer service
- Audio visual consultant
- Acupuncture clinic
- Austrian restaurant
- Adult education school
- Amusement center
- Auto dent removal service
- Auto painting
- Addiction treatment center
- Amusement ride supplier
- Army facility
- Art cafe
- Appliance parts supplier
- Automobile storage facility
- Adoption agency
- Antique store
- Antenna service
- Air conditioning system supplier
- Air conditioning repair service