- Airsoft supply store
- Audio visual equipment supplier
- Adult entertainment store
- Anime club
- Alcohol retail monopoly
- Aquarium shop
- Acoustical consultant
- Airstrip
- Archaeological museum
- Amusement park ride
- Air conditioning system supplier
- Auction house
- Ayurvedic clinic
- Army museum
- Ammunition supplier
- Airline ticket agency
- Aeronautical engineer
- Aquatic centre
- Amusement center
- Amateur theater