John Gellert

SEACOR Holdings, Inc. engages in the provision of transportation and logistics solutions through its subsidiaries. It operates through the following segments: Ocean Transportation and Logistics Services; Inland Transportation and Logistics Services; Witt O'Brien's; and Other. The Ocean Transportation and Logistics Services segment owns and operates a fleet of bulk transportation, port and infrastructure, and logistics assets, including U.S. coastwise eligible vessels and vessels trading internationally. The Inland Transportation and Logistics Services segment provides customer supply chain solutions with its domestic river transportation equipment, fleeting services and high-speed multi-modal terminal locations adjacent to and along the U.S. Inland Waterways. The Witt O'Brien's segment offers crisis and emergency management services for both the public and private sectors. The Other segment consists other activities and non-controlling investments in various other businesses. The company was founded by Charles L. Fabrikant in 1989 and is headquartered in Fort Lauderdale, FL.

Stirling Shipping Co., Ltd. provides transportation services to the offshore industries. The company is headquartered in Clydebank, the United Kingdom.

Offshore Marine Service Association operate as an association of and spokesman for the offshore marine transportation service industry in the United States. The company is headquartered in New Orleans, LA.

SEACOR Marine LLC operates a fleet of offshore marine support vessels to oil and gas exploration and production industry. It offers anchor handling towing supply, platform supply, mini supply, fast support, standby safety, towing, and specialty vessel. The company was founded in 1989 and is headquartered in Houma, LA.

Part of Seacor Marine Holdings, Inc., Seacor Capital (UK) Ltd. functions as an investment holding British company. The private company is based in London, UK.

Part of Seacor Marine Holdings, Inc., Stirling Offshore Ltd. is a British company that provides sea and coastal freight water transportation services. The private company is based in Dunbartonshire, UK.