| Firmenname | Stadt | Land | |
|---|---|---|---|
| A 16 Froid | Boulogne-sur-Mer | F | |
| A.C.E. Agence de commerce européen Sarl | Boulogne-sur-Mer | F | |
| A/S S. Nissen Jøker & Co. | Brande | DK | |
| A/S Skagens Ny Isværk | Skagen | DK | |
| A/S Thyborøn Isværk | Thyborøn | DK | |
| A/S Vestiydsk Krystal-Isvärk | Esbjerg | DK | |
| Aal-Hof Götting | Cloppenburg-Bethen | D | |
| Adepta Group | Paris | F | |
| African Blue | Kisumu | EAK | |
| Agro Marine International | Landerneau | F | |
| AgroAqua GmbH | Ampflwang im Hausruckwald | A | |
| Aichinger MP Einrichtungsbau GmbH | Wendelstein | D | |
| Albrecht + Neiss GmbH | Neuenhagen | D | |
| Alexander & Alexander / Reed Stenhouse Limited | Halifax, NS B3J 3N2 | CDN | |
| Algoplus S.A.R.L. | Roscoff | F | |
| Aller Aqua Research GmbH | Büsum | D | |
| Alltech Coppens Aqua | Helmond | NL | |
| American Seafood Institute European Promotion Office | Hedehusene | DK | |
| Amsbach Marine - Representation in Bulgaria | Bourgas | BG | |
| Aquaculture Stewardship Council (ASC) | RV Utrecht | NL |
