Kirby Corporation operates domestic tank barges in the United States. It operates in two segments, Marine Transportation and Distribution and Services. The Marine Transportation segment provides marine transportation services and towing vessels transporting bulk liquid products, as well as operates tank barges throughout the Mississippi River System, on the Gulf Intracoastal Waterway, coastwise along three United States coasts, and in Alaska and Hawaii. This segment also transports petrochemicals, black oil, refined petroleum products, and agricultural chemicals by tank barges; and operates offshore dry-bulk barge and tugboat units that are engaged in the offshore transportation of dry-bulk cargoes in the United States coastal trade. It serves oil refining and petrochemical companies. As of February 23, 2018, this segment owned or operated 998 inland tank barges with 22.0 million barrels of capacity, 302 inland towboats, 56 coastal tank barges with 5.4 million barrels of capacity, 53 coastal tugboats, 5 offshore dry-bulk cargo barges, 5 offshore tugboats, and 1 docking tugboat. The Distribution and Services segment sells replacement parts; provides service mechanics to overhaul and repair medium-speed and high-speed diesel engines, transmissions, reduction gears, and related oilfield services equipment; rebuilds component parts or diesel engines, transmissions, reduction gears, and related equipment used in oilfield services, marine, mining, power generation, on-highway, and other industrial applications; rents generators, fork lifts, and pumps and compressors; and manufactures and remanufactures pressure pumping units. It serves oilfield service, on-highway transportation, marine transportation, construction, and power generation companies, and the United States government. The company was formerly known as Kirby Exploration Company, Inc. and changed its name to Kirby Corporation in 1990. Kirby Corporation was founded in 1921 and is headquartered in Houston, Texas.
