| Firmenname | Stadt | Land | |
|---|---|---|---|
| Aeration Industries International, Inc. | Minneapolis, Minnesota 55459-0144 | USA | |
| Aeromix Systems, Inc. | Minneapolis MN 55411 | USA | |
| Afos Ltd. | Hessle Yorkshire | GB | |
| AFU-The Fishing Machine | Saint Malo Cedex | F | |
| AGK Kronawitter GmbH | 
|
Wallersdorf | D |
| agmadata GmbH | Nikolausdorf | D | |
| AgriProtein South Africa | Cape Town | ZA | |
| Air Liquide Deutschland GmbH | Düsseldorf | D | |
| Air Products plc | Crewe, Cheshire CW1 6XL | GB | |
| AJM Meat Packing | Santurce, PR 00908-5051 | USA | |
| AKS Sondermaschinenbau GmbH | 
|
Bischofsmais | D |
| AKVA A/S | Bryne | N | |
| AKVA Group Denmark A/S | Fredericia | DK | |
| Akyüz Makine Ltd. | Yenidogan-Sancaktepe | TR | |
| Alcan Deutschland GmbH Werk Ohle | Plettenberg | D | |
| Alchem Industries | Charlottetown, Prince Edward Island | CDN | |
| Alco-Food-Machines GmbH & Co. KG | Bad Iburg | D | |
| Alcron AB | Djursholm | S | |
| Alexander Noble & Sons Ltd. | Ayrshire KA26 9HL | GB | |
| Alfa Laval Nordic AS | Sandvika | N |
