The PGNiG Group is the leader of the Polish natural gas market, as well as the only vertically integrated gas company in Poland. Its parent undertaking is Polskie Górnictwo Naftowe i Gazownictwo. Formation of the Group's enabled coordination of the upstream and downstream operations - from exploration and production to storage to trade and distribution of gaseous fuels. The roots of the companies forming PGNiG date back to 19th century - to the beginnings of Polish and world oil industry. The company has been operating under the name PGNiG since 1982. In 1996, the state-owned company PGNiG was transformed into a joint stock company.