- Alternative medicine practitioner
- Acupuncture clinic
- Architect
- Agricultural association
- Artificial plant supplier
- Audiologist
- Animal feed store
- Acupuncturist
- Aikido school
- Arts organization
- Adult education school
- Assisted living facility
- Auto repair shop
- Athletic track
- Arena
- Architecture school
- Art center
- Art restoration service
- Agriculture cooperative
- Art school