| Company | Registered Address | Reg # | Country of Incorporation |
| Aviagen Limited | Stratford Hatchery, Alscott Industrial Estate, Atherstone on Stour, Stratford-Upon-Avon, Warwickshire CV37 8BH | 01610943 | England and Wales |
| Aviagen UK Limited | 11 Lochend Road, Ratho Station, Newbridge, Midlothian, EH28 8SZ | SC065463 | Scotland |
| Aviagen Kft | No. 1. Panoráma Street, Mezőörs, H-9097, Hungary | Cg. 08-09-016930 | Hungary |
| Aviagen GmbH | Birkenstr. 1, 09627 Hilbersdorf, Germany | HRB 23885 | Germany |
| Aviagen EPI BV | Elmpterweg 47, 6042 KG Roermond, Netherlands | HR Roermond 13022031 | Netherlands |
| Aviagen EPI NV | Nazarethsesteenweg 83, 9800 Deinze, Belgium | 0420466492 | Belgium |
| Aviagen EPI GmbH | Karkweg 151, D-27478 Cuxhaven, Altenwalde, Germany | HRB 110467 | Germany |
| Aviagen EPI SP Zoo | Ul. Zebowo 71, 87-126 Obrowo, Poland | 630832603 | Poland |
| Aviagen Italia SRL | Via Privata Cesare Battisti 2, 20122 Milano, Italy | 5503350968 | Italy |
| Aviagen LLC | Tula region, Yasnogorsky district, Kamenka village, Vesennaya str., 20 | 1087154012032 | Russia |
| Aviagen ApS | Baekke hatchery, Klostergade 13, DK-6622 Baekke, Denmark | DK315 82 091 | Denmark |
| Aviagen SweChick AB | Stalgatan 3, 26538 Astorp, Sweden | Sweden | |
| Aviagen France | 2 Rue de la Fontaine, Angers, 49070 Beaucouzé | 52535602800023 | France |
| Aviagen Australia Pty Ltd | Aviagen Complex, Ringwood Rd, Coleambally NSW 2707, Australia | 59 128 280 535 | Australia |
| Aviagen New Zealand Ltd | 20 Constance St, Waiwhakaiho New Plymouth, New Zealand 4341 | 2056450 | New Zealand |
| Aviagen India Poultry Breeding Company Private Limited | Level 4, Dynasty, "A" Wing, Andheri Karla Road, Andheri (East), Mumbai 400069, India | U01222MH2007FTC176522 | India |
| Aviagen South Africa (pty) Limited | Welverdiend Farm, Meyerton-Heidelberg Road, Meyerton, 1960, South Africa | 2008/002926/07 | South Africa |
| Aviagen Asia Limited | 122 Orchid View, Unit 8 B, Sukhumvit 33 Road, Klongton Nuea, Wattana District, Bangkok 10110, Thailand | 105546150440 | Thailand |
| Aviagen, Inc | 920 Explorer Boulevard NW, Huntsville, Alabama 35806 USA | N/A | USA |
| Aviagen America Latina Ltda | Rua José Morano, 96/112 - Nova Campinas, CEP 13.100-055, Campinas, SP, Brazil | 61.917.233/0010-39 | Brazil |
| Aviagen Turkeys Limited | Chowley Five, Chowley Oak Business Park, Tattenhall, Cheshire, CH3 9GA | 771886874 | England & Wales |
| Aviagen Turkeys Inc | 31186 Midland Trail East, Lewisburg, West Virginia 24901, USA | N/A | USA |
| CWT Farms International Inc | PO Box 1396, Gainesville, Georgia 30503 1396 | N/A | USA |
| Aviagen Turkeys France s.a.r.l. | 16 rue de la Morgan, 22360 Langueux, 576 650 923 RCS Saint Brieuc, France | 1591819 | France |
| Aviagen Anadolu Ana Damizlik | Tavukculuk A.S. Prof. Dr. Ahmet Taner Kislali Mah. 2861. Cad. No:3/1, Cayyolu, Ankara | 735025174100016 | Turkey |