Kirby Corporation is the premier tank barge operator in the United States, transporting bulk liquid products throughout the Mississippi River System, on the Gulf Intracoastal Waterway, along all three U.S. Coasts, and in Alaska and Hawaii.


Kirby operates the largest inland and offshore tank barge fleets in the United States.  Kirby’s marine transportation services include the distribution of petrochemicals, black oil, refined petroleum products and agricultural chemical products by inland and offshore tank barge. In addition, Kirby participates in the transportation of dry-bulk commodities in United States coastwise trade.

Kirby is also a leading diesel engine service provider, offering customers a single source for the service and distribution of diesel engines and ancillary products, and the manufacture and remanufacture of oilfield service equipment, including pressure pumping units.  In marine and power generation applications, Kirby provides after-market service for medium-speed and high-speed diesel engines, reduction gears and ancillary products. In the oilfield services and land-based pressure pumping markets, Kirby serves as a distributor and service provider for high-speed diesel engines, transmissions, pumps and compression products, and manufactures and remanufactures oilfield service equipment, including pressure pumping units.

Watch the launch of Kirby’s newest offshore barge
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Discover more about Kirby’s rich history


U.S. Inland and Coastal Waterway Systems

Kirby Corporation, through its operating subsidiaries, is the only marine transportation provider offering liquid products distribution throughout the Mississippi River System, Gulf Intracoastal Waterway, along all three U.S. Coasts, and along the coasts of Alaska and Hawaii.

The continental United States includes 12,000 miles of navigable inland waterways, a “Marine Highway” system, that links America’s heartland to ports around the country.

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