John C. Symington

Aquadrill LLC is an offshore drilling contractor, which engages in the provision of offshore drilling services to the oil and gas industry. It owns and operates drillships, semi-submersible rigs, and tender rigs for operations in shallow to ultra-deepwater areas in both benign and harsh environments. The company was founded on June 28, 2012 and is headquartered in London, the United Kingdom.

Frank's International NV engages in the provision of tubular services to oil and gas industries. It operates through the following four segments: Tubular Running Services, Tubulars and Cementing Equipment. The Tubular Running Services segment provides tubular services in international offshore markets and in several onshore international regions. The Tubulars segment designs, manufactures, and distributes large outside diameter (OD) pipe, connectors, casing attachments and sells large OD pipe originally manufactured by various pipe mills. The Cementing Equipment segment provides equipment to enhance the safety and efficiency of rig operations. The company was founded by Frank Mosing in 1938 and is headquartered in Den Helder, Netherlands.

Enventure Global Technology LLC provides solid expandable tubular solutions for the energy industry. It offers drilling, completions, and intervention services. The company was founded in 1998 and is headquartered in Houston, TX.

Selman Munson & Lerner PC provides legal services. Its services include mergers & acquisitions, corporate finance, corporate law, limited liability companies, banks & financial institutions, intellectual property law, employment & executive contracts, partnerships, physician groups & medical practices, real estate, oilfield service businesses, securities, tax practice, business restructuring, technology, recycling & renewable energy and private equity & venture capital. The company is headquartered in Austin, TX.

Seadrill Americas, Inc. provides deepwater drilling contracting services. Its products include drill ships, semi- submersibles, jack ups, tender rigs, semi tenders, harsh environment units, and ultra deepwater units. The company was founded in 2007 and is headquartered in Houston, TX.

North Atlantic Drilling Ltd. provides environment offshore drilling services for national, international, and independent oil and gas companies. Its drilling units include West Phoenix, Alpha, Venture, Rigle, Elara, Linus, Epsilon and West Navigator. The company was founded on February 10, 2011 and is headquartered in Hamilton, Bermuda.

Part of Seadrill Ltd., Seadrill Management Ltd. provides management and operational services relating to various drilling units. The company is based in London, UK. The CEO of the British company is Simon William Johnson.

Sevan Drilling Ltd. engages in the provision of offshore drilling services. It engages in the rental and leasing of drilling rig on a bareboat basis. The company was founded on December 31, 2008 and is headquartered in Stavanger, Norway.