- Aquatechnic Pte Ltd [ Link to website ]
- Aquarium Liberty [ Link to website ]
- A Aquarium
- Apollo Aquarium Pte Ltd
- Aqua Mart (S) Pte Ltd
- Aqua-Nautic Specialist Pte Ltd
- Aquacultural F A M E (S) Pte Ltd
- Aquarium City
- Aquarium Golden Million
- Aquarium Iwarna Pte Ltd (SAFEA)
- Aquatic World, The (SAFEA)
- Aquaunique Centre
- Aquaworld Tropical Fish Pte. Ltd.
- Arium Aquarium & Marine Products .
- A G Multraco Ents
- A G Pets Toa Payoh
- Ah Kai Discus Aquarium
- Akai Discus Farm
- Amazon Pet & Aquarium
- Ambtech Aquaria Design & Trading
- Animal Aquarium
- Apex Aquarium & Design
- Aqua Mart (S) Pte Ltd
- Aqua Medic (SEA) Pte Ltd
- Aqua Works and Engineering Pte Ltd
- Aqua-Nautic Specialist Pte Ltd (SAFEA)
- Aquapet Centre
- Aquaria Exotica
- Aquarium Harmony
- Aquarium Liberty Pte Ltd (SAFEA)
- Aquarium Nautilus
- Aquarium Shop
- Aquarium Station, The
- Aquatic Connection Aquarium
- Aquatic Marine System
- Aquology
- Asian Aquarium
- Associates Aquarium Pte Ltd
- Aw Yong Ping