Det Norske Veritas, earlier known as the DNV GL, is the largest classification society in the world.

Det Norske Veritas

Nippon Kaiji Kyokai is a classification society in the shipping industry, also popularly known as ClassNK.

Nippon Kaiji Kyokai

Formed in 1862, the American Bureau Of Shipping (ABS), is a classification society based in America. 

American Bureau of Shipping

LR is a classification society that offers business and other technical services to the marine industry.

Lloyd's Register

Formed in 1956, the China Classification Society is a non-profit organisation based in Beijing, China.

China Classification Society

The Korean Register is a classification society formed in 1960 and is headquartered in Busan, South Korea.

Korean Register

RINA, is among the world’s oldest organizations offering ship classification, and technical services.


This classification society is linked with ice ships and deals with icebreaking and resistant technologies in the maritime sector.

Russian Maritime Register
of Shipping

It is a non-profit and independent organization formed in 1975 in India, to become a classification society.

Indian Register of Shipping

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