The Society of International Gas Tanker and Terminal Operators (SIGTTO) is a non-profit making organisation dedicated to protect and promote the mutual interests of its members in matters related to the safe and reliable operation of gas tankers and terminals within a sound environment.

The Society was founded in 1979 and was granted consultative status at IMO in November 1983. SIGTTO currently represents 181 member companies from 50 countries, covers more than 90% of the world’s LNG vessels and terminals and over 50% of the LPG market.