1. Pfizer Animal Health - Veterinary Medicine Research and Development; Pfizer; Sandwich Kent CT13 9NJ
2. ONDAX Scientific SL; Aptdo 336 20280 Hondarribia Gipuzkoa Spain
3. Réseau Cristal; 40330 Amou France
4. Leeds Veterinary Laboratories; Yeadon Leeds LS19 7XY
5. Mycoplasma Experience; Reigate Surrey RH2 9BY