Kirby Corp

Kirby Corporation is the largest domestic tank barge operator in the United States, transporting bulk liquid products — including petrochemicals, black oil, refined petroleum products, and agricultural chemicals — throughout the Mississippi River System, on the Gulf Intracoastal Waterway, and coastwise along all three U.S. coasts. The company also participates in dry-bulk commodity transportation in U.S. coastwise trade. Through its distribution and services segment, Kirby provides equipment, after-market parts, and services for power generation systems (including behind-the-meter and emergency backup systems), engines, transmissions, reduction gears, electric motors, drives, and controls used across marine, on-highway, oilfield services, and industrial applications. The company also rents generators, industrial compressors, high-capacity lift trucks, construction equipment, and refrigeration trailers, and manufactures and remanufactures specialized equipment including pressure pumping units, electric fracturing systems, electric power generation equipment, and specialized electrical distribution and control equipment for data centers, oilfield service, railroad, and other industrial customers. The company trades on the NYSE under the ticker KEX. Updated Jul 29, 2026