Roger Patrick Herbert

JDR Cable Systems Holdings Ltd. designs and manufactures umbilicals systems, subsea power and marine cables. It serves oil and gas sector, offshore renewables industry and seismic and defense markets. The company is headquartered in Edinburgh, the United Kingdom.

Petris Technology, Inc. develops and markets integrated data management analytics and business intelligence software for oil and gas companies. The company was founded by Timothy Burkett in 1994 and is headquartered in Houston, TX.

International Energy Services, Inc. provides oil and gas exploration and production services. Its services include land-based seismic data acquisition, global virtual computing, and processing services. The company is located in Houston, TX

Scorpion Offshore Ltd. owns and operates a fleet of drilling rigs for the offshore oil and gas industry. The company was founded on April 22, 2005 and is headquartered in Hamilton, Bermuda.

Baker Hughes Holdings LLC supplies oilfield services, products, technology, and systems to the worldwide oil and natural gas industry. It provides products and services for other businesses including downstream chemicals, and process and pipeline services. The company is headquartered in Houston, TX.

Smith International, Inc. provides premium products and services used for the drilling, completion and production phases of oil and natural gas development activities. It has three operating divisions, namely M-I SWACO, Smith Oilfield and Distribution. Company was founded in 1902 and is headquartered in Houston, TX.

Blast Energy Services, Inc. is a oil and gas producing company engaged in the exploration and production of petroleum resources in the United States and also the development and commercialization of a patented applied fluid jetting down-hole stimulation technology. It operates through two reportable segments: Oil and Gas Producing Properties and Down-hole Solutions. The company was founded in September 2000 and is headquartered in Houston, TX.

Validus International LLC explores oil and gas. The company is headquartered in Rockwall, TX.

JDR Cable Systems Ltd. manufactures subsea power cables, umbilical systems and reeler packages. It provides subsea production umbilicals, subsea power cables, oil & gas and renewable products. The firm provides installation services. The company is headquartered in Cambridgeshire, UK.