Stroygazmontazh, also called the S.G.M. Group, is an infrastructure construction firm that operates in Russia primarily via its subsidiaries, specializing in the creation of oil and gas transportation systems. The company was founded in 2008 with operations in construction—particularly of oil and gas infrastructure—in Russia. According to the RBK Group, it is the 44th largest company in Russia by income, with an annual ₽276 billion in revenue.

Arkady Romanovich Rotenberg is a Russian billionaire businessman and oligarch. With his brother Boris Rotenberg, he was co-owner of the Stroygazmontazh, the largest construction company for gas pipelines and electrical power supply lines in Russia.