Navigator Holdings Ltd. is engaged in owning and operating fleet of handysize liquefied gas carriers. The Company provides international and regional seaborne transportation services of liquefied petroleum gas (LPG), petrochemical gases and ammonia for energy companies, industrial users and commodity traders. The Company�s fleet consists of approximately 30 semi or fully-refrigerated handysize liquefied gas carriers. The Company�s fleet loads, discharges and carries cargoes across a range of temperatures from ambient to minus 104� celsius and pressures from 1 bar to 6.4 bars. It carries LPG for international energy companies, state-owned utilities and commodities traders. The Company also carries petrochemical gases for numerous industrial users. Petrochemical gases, including ethylene, propylene, butadiene and vinyl chloride monomer, are derived from the cracking of petroleum feedstocks such as ethane.