Larry Rigdon

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.

Jackson Offshore Holdings LLC provides marine services to the offshore oil and gas industry. It supplies vessels and provides marine transportation services for exploration, development and production activities. The company was founded on May 1, 2011 and is headquartered in Houston, TX.

Terresolve Technologies Ltd. provides non-toxic and biodegradable lubricating products.

Mensura Capital LLC is a Private Equity/Venture Capital firm, a subsidiary of Mensura Holdings LLC founded in 2007 by Alex Graham. Mensura Capital LLC is headquartered in Atlanta.

Professional Rental Tools LLC provides oilfield rental equipment and services. It offers proframe coiled tubing lift frame, hoss wireline lift frame, surface test tree, quick union and lubricator valve, spanner system, procomp tower, intervention work tower and accessories. The company was founded on March 15, 2012 and is headquartered in Lafayette, LA.