Kirby Corporation is the premier tank barge operator in the United States, transporting bulk liquid products throughout the M ... ississippi River System, on the Gulf Intracoastal Waterway, along all three U.S. Coasts, and in Alaska and Hawaii. Through its Distribution and Services segment, Kirby is also a leading nationwide service provider and distributor of diesel engines, transmissions, parts, industrial equipment and oilfield service equipment. read more