i. American Bureau of Shipping (ABS), ii. Bureau Veritas (BV), iii. China Classification Society (CCS), iv. Croation Register of Shipping (CRS), v. Det Norske Veritas (DNV), vi. Germanischer Lloyd (GL), vii. Indian Register of Shipping (IRS), viii. Korean Register of Shipping (KR), ix. Lloyd’s Register (LR), x. Nippon Kaiji Kyokai (NK/ClassNK), xi. Polish Register of Shipping (PRS), xii. Registro Italiano Navale (RINA), xiii. Russian Maritime Register of Shipping (RS)