Joan M. McCarthy

Offshore Logistics provides helicopter transportation, maintenance and related services to the offshore oil and gas industry.

Rotorcraft Leasing Co. LLC provides helicopter operation and services to energy services providers and oil and gas producers. It also offers fleet maintenance, training, and fueling services. The company was founded by Lloyd L. Marks in 1990 and is headquartered in Broussard, LA.

GulfMark Offshore, Inc. engages in the provision of marine transportation services to the energy industry through a fleet of offshore support vessels serving major offshore energy markets in the world. It operates its business through the following segments: North Sea, Southeast Asia, and the Americas. Its services include platform supply, anchor handling, towing, marine construction support, and crewboats. The company was founded by Hy Bird in July 1958 and is headquartered in Houston, TX.

Dynamic Energy Service International LLC operates as an offshore service company. It provides fully integrated EPCIM services globally to the upstream and downstream markets. The company was founded on May 29, 2007 and is headquartered in New Orleans, LA.