TY Offshore announced that Harvey Gulf International Marine has ordered the construction of an additional TY Offshore built 302’ x 64’ Dual Fuel Offshore Supply Vessel, bringing its total order to six. The order, and subsequent delivery, positions Harvey Gulf as the largest owner/operator of clean burning LNG Offshore Support Vessels in the world. TY Offshore is building all six vessels at their Gulfport, Mississippi shipyard. The vessels are powered by cleaner-burning natural gas and will achieve “ENVIRO+, Green Passport” Certification by the American Bureau of Shipping.