Public Joint-stock Company TNS energo Mari El supplies electricity in the territory of the Republic of Mari El. The company serves 313,165 individuals and 7,714 legal entities. It also offers electronic receipts and mobile application services. The company was formerly known as Joint-Stock Company Marienergosbyt and changed its name to Public Joint-stock Company TNS energo Mari El in June 2015. The company is based in Yoshkar-Ola, Russia. Public Joint-stock Company TNS energo Mari El is a subsidiary of Public Joint Stock Company Group of Companies TNS energo.