Gazprom Promgaz Gazprom Promgaz Joint Stock Company Gazprom Promgaz (, abbreviated JSC Gazprom Promgaz, (), ) is a Russian company that specializes in structural engineering, design, research, heating, the electric power market, and other services related to natural gas. The company is a research institute of Gazprom and was established in 1949. The headquarters of the company are in Moscow. Gazprom Promgaz has branches in Vidnoye (Moscow Oblast), Novokuznetsk (Kemerovo Oblast), Oryol, Saint Petersburg, Ufa, Stavropol, Astrakhan (Russia), Minsk (Belarus), and Bishkek (Kyrgyzstan). Gazprom Promgaz has also an associated company, Ltd "Kamensk Plant of Gas Equipment" () in Kamensk-Shakhtinsky (Rostov Oblast). The
Gazprom Arena by the city government of St Petersburg, with Gazprom switching to build a separate skyscraper project. The City Hall had to step in after Gazprom declined to invest any further money into the stadium's construction. On 25 July 2016 the general contractor, Inzhtransstroy-Spb, issued a statement that the city authorities have failed to pay 1 billion rubles ($15.8 million at the current exchange rate) worth of construction work and stopped the work. The next day the contract was terminated. On 1 August there were reports of wind damage to parts of the metal sheathing, and a flood. In the end