- Athletic club
- Aluminum frames supplier
- Amusement park
- Ambulance service
- Aluminum supplier
- Aluminum window
- Appliance store
- Art museum
- Art gallery
- Airport shuttle service
- Aquaculture farm
- Attorney referral service
- ATV dealer
- ATV repair shop
- Advertising agency
- Army museum
- Armed forces association
- Archaeological museum
- Agricultural cooperative
- Alcohol retail monopoly