– Italian Lubricants Company SpA

– University Hospital of Sassari

– Experimental Zooprophylactic Institute of Sardinia

– Union of Coros Municipalities

– Asl 4 Lanusei

– Asl Nuoro

– Municipality of Olbia

– Municipality of Oristano

– Municipality of La Maddalena

– Municipality of Bosa

– Municipality of Palau

– Municipality of San Teodoro

– Municipality of Arzachena

– Municipality of Ittiri

– Municipality of Cuglieri

– Municipality of Budoni

– Municipality of Muros

– Municipality of Mara

– Municipality of Dorgali

– Municipality of Tortolì

– Municipality of Aglientu

– Municipality of Iglesias

– Municipality of Porto Torres

– Municipality of Alghero

– Municipality of Luogosanto

– Municipality of Nuoro

– Municipality of Terralba

– Municipality of Orgoloso

– Municipality of Ploaghe

– Municipality of Perfugas

– Union of Municipalities of Marghine