Due to its activities, the company has ensured all necessary Certificates:
TUeV – DIN EN 729-3, AD-Merkblatt HPO and TRD 201 for boilers production; DIN 18800 for steel constructions production; HRN EN 729-3 provided by Faculty of engineering and naval architecture – University of Zagreb, Croatia. TPK-EPO Proizvodnja doo was certified according ISO 9001:2000 in February 2004.