Kirby Corporation is a leading marine transportation company based in the United States. Founded in 1921, the company has a long history of providing essential services to the domestic and international markets. Its headquarters are located in Houston, Texas.

The main products and services offered by Kirby Corporation include the transportation of bulk liquid products, such as petrochemicals, diesel fuel, and food-grade products, through its fleet of inland tank barges and towing vessels. The company also provides offshore services, including the transportation of dry-bulk materials, such as oilfield equipment and supplies, via its fleet of offshore barges and tugboats. Additionally, Kirby Corporation offers diesel engine repair and maintenance services.

On a global scale, Kirby Corporation operates primarily in the United States, with an extensive network of inland waterways, coastlines, and offshore areas. The company has strategically positioned its operations to serve major industrial centers and energy markets across the country. Kirby Corporation has several noteworthy subsidiaries, joint ventures, and partnerships.

It acquired Seacor Holdings' Inland Tank Barge Fleet in 2011, expanding its inland marine transportation capabilities. The company also formed a joint venture with CMB Technologies in 2015, leading to the development of environmentally friendly, LNG-powered inland tank barges. In terms of market position, Kirby Corporation is a key player in the marine transportation industry.

It consistently ranks among the top companies in terms of fleet size and market share. With its diverse fleet and strong customer relationships, Kirby Corporation has established itself as a trusted provider of marine transportation services. Throughout its history, Kirby Corporation has experienced significant growth and success.

In recent years, the company has focused on expanding its fleet capacity and investing in technology and sustainability initiatives to better serve its customers. As of the latest available information, Kirby Corporation continues to operate as a leading marine transportation company. The company remains committed to delivering safe, reliable, and efficient services to its customers while adapting to changing industry dynamics and market demands.

Further updates or key information about the company are not available at this time