AM+ S.p.A.

Via Orti, 2
15033 CASALE MONFERRATO
https://www.ampiu.it

ASM VERCELLI S.p.A.

C.so Palestro, 126
13100 VERCELLI
https://www.asmvercelli.it

CORDAR S.p.A. Biella Servizi

Piazza Martiri della Libertà, 13
13900 BIELLA
https://www.cordarbiella.it/

CORDAR VALSESIA S.p.A.

Fraz. Vintebbio
13037 SERRAVALLE SESIA
https://www.cordarvalsesia.it

S.I.I. S.p.A.

Via F.lli Bandiera, 16
13100 VERCELLI
https://www.siispa.it/