At the beginning of June, ŽOS Trnava successfully passed the second surveillance audits of certified management systems. On 1 June 2023, ŽOS was audited by the certification organisation 3EC International, a. s. according to STN EN ISO 50001:2020 “Energy Management System”. On 5 June and 6 June 2023, the same certification organisation audited the Integrated Management System (IMS), which includes the “Quality Management System” in compliance with STN EN ISO 9001:2016, the “Environmental Management System” in compliance with STN EN ISO 14001:2016 and the “Occupational Health and Safety Management System” in compliance with STN ISO 45001:2019. All audits have been successfully completed and provide stimulation for continuous improvement in the near and distant future.