Navigator Holdings Ltd. owns and operates a fleet of liquefied gas carriers worldwide. It engages in the international and regional seaborne transportation of petrochemical gases, liquefied petroleum gases, and ammonia for energy companies, industrial users, and commodity traders. The company also provides ship shore infrastructure and consultancy services. It operates through a fleet of 57 semi- or fully-refrigerated liquefied gas carriers. Navigator Holdings Ltd. was formerly known as Isle of Man public limited company and changed its name to Navigator Holdings Ltd. in 2006. The company was incorporated in 1997 and is based in London, the United Kingdom.