PJSC Gazprom is a Russian majority state-owned multinational energy corporation headquartered in the Lakhta Center in Saint Petersburg. As of 2019, with sales over $120 billion, it was, until 2023, ranked as the largest publicly listed natural gas company in the world and the largest company in Russia by revenue. In the 2020 Forbes Global 2000, Gazprom was ranked as the 32nd largest public company in the world. The Gazprom name is a contraction of the Russian words gazovaya promyshlennost. In January 2022, Gazprom displaced Sberbank from the first place in the list of the largest companies in Russia by market capitalization. In 2022, the company's revenue amounted to 8 trillion rubles. In 2023, the company is delisted from international markets, and continues substantial constriction in its operational results.

Nord Stream is a pair of offshore natural gas pipelines in Europe that run under the Baltic Sea from Russia to Germany. It comprises the Nord Stream 1 (NS1) pipeline running from Vyborg in northwestern Russia, near Finland, and the Nord Stream 2 (NS2) pipeline running from Ust-Luga in northwestern Russia near Estonia. Both pipelines run to Lubmin in the northeastern German state of Mecklenburg-Vorpommern. Each pipeline comprises two pipes, denoted A and B; each of the four pipes is approximately 1,200 kilometres (750 mi) long and with approximate diameters of 1,220 millimetres (48 in). The combined capacity of the four pipes is 110 billion cubic metres per annum of natural gas.