Ultragas is now part of Navigator Gas. *** Ultragas ApS was established in Denmark on 1st January, 2012 as a fully owned subs ... idiary of Ultranav and with the primary purpose of handling and expanding the group’s fleet of gas tankers. The company offers a broad range of vessels through two operating entities, UNIGAS and Ultragas ApS, and ranging in size from 3,500 CBM up to 22,000 CBM. Vessels types include semi-refrigerated and ethylene units We aspire to build and operate the best platform of shipping services for the development and success of our clients, employees and communities read more