(Gulfcoast Transit, Martha-Mac Corporation)
In 1959, TECO Transport’s oceangoing operation was founded to transport coal from Louisiana based locations to Tampa, Florida for the Tampa Electric Company. Establishing Gulfcoast Transit Incorporated of Tampa, Florida.
In 1986, the TECO Transport and Trade Corporation acquired the offshore tug and barge fleet of the St. Phillip Coastal Towing Company of Tampa, Florida. Merging the assets of the St. Phillip Coastal Towing Company with the assets of Gulfcoast Transit Incorporated.
In 2002, the company was renamed as the TECO Ocean Shipping Company of Tampa, Florida. Handling all of the Tampa Electric Company's global blue water transportation activities.