Yueliang Guo

ION Geophysical Corp. engages in the provision of geoscience technology, services, and solutions to the oil and gas industry. It operates through the E&P Technology and Services, and Operations Optimization segments. The E&P Technology and Services segment creates digital data assets and delivers services that improve decision-making, mitigate risk and maximize portfolio value for E&P companies. The Operations Optimization segment develops mission-critical subscription offerings and engineering services that enable operational control and optimization offshore. The company was founded in 1968 and is headquartered in Houston, TX.

China National Petroleum Corp. engages in the production and supply of oil and gas products. Its businesses include petroleum exploration and production, natural gas and pipelines, refining and marketing, oilfield services, engineering construction, petroleum equipment manufacturing and new energy development, as well as capital management, finance, and insurance services. The company was founded on February 9, 1990 and is headquartered in Beijing, China.

BGP, Inc. offers geophysical survey and other services. The main business of BGP includes onshore, offshore, TZ seismic data acquisition; seismic data processing and interpretation; reservoir geophysics; borehole seismic surveys and micro-seismic; geophysical research and software development; GME and geo-chemical surveys; geophysical equipment manufacturing and multi-client services. The company was founded in 2002 and is headquartered in Zhuozhou, China.

BGP International, Inc. provides geophysical exploration services. The private company is based in Houston, TX.