A construction company from Lazarevac, first a subcontractor and then the sole contractor on the Stig–Kostolac industrial railway for EPS. According to the July 2024 indictment by the Higher Public Prosecutor’s Office in Belgrade, the responsible persons at Bauwesen and other contractors also billed for work that was never carried out; according to BIRN, the company is now in bankruptcy, and in 2021 EPS hired it again to transport coal from Kostolac.