Andrew John Szescila

Frontera Resources Corp. operates as an oil & gas exploration and production company. It focuses on the exploration and development of oilfields within the Republic of Georgia, Ukraine and Moldova. The company was founded by Steve C. Nicandros and Zaza Mamulaishvili in 1996 and is headquartered in Houston, TX.

Part of Baker Hughes Co., Baker Hughes Oilfield Operations LLC provides oilfield services. The company is based in Houston, TX.

Hughes Christensen Co. manufactures diamond drill and tricone bits for customers in the oil and gas industry. The company has manufacturing facilities in the United States, Ireland, Germany, and Singapore. It is a subsidiary of Baker Hughes, Inc. The company is headquartered in The Woodlands, TX.

Part of Baker Hughes Co., BJ Services International, Inc. provides oil and gas field services. The company is based in Houston, TX.

Novadrill, Inc. provides drilling equipment. It offers Advanced PCD, JackBit, JackHammer/seismic source, Rotary Steerable, TurboActuator, TurboMudPulse, Directed-Deep Resistivity, Pulsed Nuetron True Densisty, and Seismic While Drilling. The company was founded in 2008 and is headquartered in Provo, UT

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.