BSI
British Standards Association

Quality Management System

Occupational Health and Safety Management

Environmental Management System

ABS
American Bureau of Shipping
BV
Bureau Veritas
CCS
China Classification Society
CR Class
China Corporation Register of Shipping
DNV-GL
IR Class
Indian Register of Shipping
KR
Korean Register of Shipping
LR
Lloyds Register of Shipping
Class NK
Nippon Kaiji Kyokai
RINA
Registro Italiano Navale
RS
Russian Maritime Register of Shipping