In “SŽ - ŽGP Ljubljana d.d.” we established a high-quality management system according to the requirements of the ISO 9001 standard in year 2000 and obtained a certificate in 2001. With the high-quality management system, we prove that the work processes and measures comply with the requirements of the specified standard. The services we offer our users are at an appropriate level of quality and we implement a system of continuous improvements.