LEPSA obtained ISO 9001 certification in 2010, after a rigorous and strict review of procedures, process monitoring and measurement of management indicators. Since then, it has maintained the quality management system through periodic internal audits, as well as external certification validation audits every year and recertification every four years. It has also standardized the industrial safety and occupational health management system, environmental management system and anti-bribery management system based on international standards ISO 45001, 14001 and 37001, respectively, as well as incorporating the special controls generated by the conditions of the COVID-19 pandemic. Finally, in March 2022, LEPSA obtained certification of the Integrated Management System (IMS) based on ISO 9001 (QA-QC), 45001 (SSO), 14001 (environmental) and 37001 (anti-bribery) standards, issued by the international certifying company LL-C (Certification), with registration No. 512194.