KIRBY CORP

Kirby Corporation operates the largest domestic barge fleet in the United States, providing marine transportation of bulk liquid products and dry-bulk cargo. The company's Marine Transportation segment owns and operates approximately 1,105 inland tank barges, 266 inland towboats, 28 coastal tank barges, 24 coastal tugboats, and related offshore equipment. This fleet transports petrochemicals, black oils, refined petroleum products, and agricultural chemicals across the Mississippi River System, the Gulf Intracoastal Waterway, and coastwise routes serving three U.S. coasts, Alaska, and Hawaii.

The Distribution and Services segment generates revenue through aftermarket parts sales, equipment rental, and manufacturing of specialized industrial equipment. This division sells genuine replacement parts and provides rebuilding services for engines, transmissions, reduction gears, and related components used across marine, oilfield services, power generation, and industrial applications. The segment also rents generators, compressors, lift trucks, and refrigeration trailers, and manufactures pressure pumping units, electrical distribution equipment, and energy storage systems.

Headquartered in Houston, Texas, Kirby employs approximately 5,233 full-time employees and maintains operations throughout the continental United States and Alaska. The company serves government entities, oilfield services companies, petrochemical producers, and other industrial customers reliant on bulk liquid transportation and component services.