Vulica Shipping Company, LTD is a wholly owned subsidiary of Vulcan Materials Company. It owns and operates three Panamax size ships. These are self-unloading dry bulk carriers with a 60,000 to 70,000 short ton cargo capacity.

WGMA (West Gulf Maritime Association) is a Texas nonprofit corporation, was organized in early 1968 to succeed the former local maritime associations in Houston, Galveston and Brownsville, Texas and to embrace within the membership of one Association the steamship owners, operators, agents along with stevedoring and/or terminal companies located in all Texas ports and the Port of Lake Charles, Louisiana.