Cezary Stanislaw Filipowicz

United Oilfield Services Sp zoo provides seismic, drilling and well completion services related to the exploration and provision of natural gas and oil deposits as well as geothermal sources. It offers drilling services and snubbing services. The company was founded by Michael Dennis McKee and Charlie Syl Leykum in 2011 and is headquartered in Warsaw, Poland.

Ukrtransnafta JSC provides oil transportation services through pipelines. The private company is based in Kiev, Ukraine and has subsidiaries in the Russian Federation. The CEOs of the Ukrainian company are Sergey Sukalo and Mykola Havrylenko.

International Pipeline Equipment Co. Ltd. (IPEC) designs and manufactures oilfield equipment. The company offers installation of pipelines, gathering systems, manufacturing of separators, heat exchangers, dehydrators and facilities to oilfield construction. The company was founded in 1997 and is based in Alberta, Canada

Polskie Gornictwo Naftowe i Gazownictwo SA engages in the production and sale of natural gas and crude oil. It operates through the following segments: Exploration and Production; Trade and Storage; Distribution; and Power Generation. The Exploration and Production segment focuses on the extraction of hydrocarbons from deposits, and its preparation for sale. The Trade and Storage segment comprises of the trade of natural gas in Poland and abroad. The Distribution segment involves in the transmission of high-methane and nitrogen-rich gas, as well as of small amounts of coke-oven gas, over the distribution network to retail and corporate customers. The Power Generation segment consists of the generation of electricity, heat, cold and compressed air, and distribution of heat. The company was founded on September 1, 1982 and is headquartered in Warsaw, Poland.

ORLEN Lietuva AB refines, markets, and distributes petroleum products. Its activities include oil refining, pipeline and marine terminal operations, marketing, and logistics of refined products. The firm markets products in the Lithuanian, Latvian, and Estonian markets through Mazeikiu Nafta Trading House. The company was founded on March 28, 1995 and is headquartered in Mazeikiai, Lithuania.