American Bureau of Shipping (ABS) - is a marine and offshore verification and classification service provider that promotes maritime safety. It was founded in 1862.
Other popular classification societies are:
- Det Norske Veritas (DNV) - 1864
- Lloyd's Register (LR) - 1760
- Bureau Veritas (BV) - 1828
- Germanischer Lloyd (GL) - 1867
- Nippon Kaiji Kyokai (NK) - 1899
- and many others established in the 20th and 21st centuries.