Quintin Kneen

Grant Prideco, Inc. is engaged in drill pipe manufacturing. The firm provides engineered connections and premium tubular products that are used in oilfield exploration and development operations. The company was founded in April 2000 and is headquartered in Houston, TX.

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.

Founded in 1991, GulfMark North Sea Ltd. is a subsidiary of Tidewater, Inc. that provides sea and coastal freight water transportation services. The private company is based in London, UK.

Part of Tidewater, Inc., Tidewater Marine UK Ltd. is a marine transportation company based in London, UK. Founded in 1990, the British company provides marine transportation services.

GulfMark Americas, Inc. provides offshore marine services. The firm provides offshore transportation services and operates deepwater platform supply and fast supply vessels. The company is headquartered in Houston, TX.

Part of Tidewater, Inc., Tidewater Marine AS is a Norwegian company that provides deep sea freight transportation services. The private company is based in Sandnes, Norway.

Part of Tidewater, Inc., Tidewater Rederi AS is a Norwegian company that provides marine transportation services. The private company is based in Sandnes, Norway. The company was founded in 1997. The CEO is Erik Utne Eikehaugen.