DET NORSKE VERITAS

KUWAIT OIL COMPANY

EVC European Vinyls Corporation

SNAM

ANSALDO

ESSO

FINCANTIERI

LLOYD'S REGISTER OF SHIPPING

AMERICAN BUREAU OF SHIPPING

MARINA MILITARE ITALIANA

RINA

SAIPEM

Rizzio is included in NATO Vendor List
Rizzio is included in ITALIAN MILITARY NAVY Vendor List