Certifications

- Certificate SR EN ISO 9001: 2008

- Certificate ISO 14001: 2005

- Certificate OHSAS 18001: 2008

- Certificates CPF targeting conformity certification for all sorts of careers, achieved aggregate sorting plant SC COMPREST own UTIL SRL;

- Conformity of concrete products in their stations SC COMPREST UTIL SRL

         (C 8 / C 10 ---- 50/60; BCR 3.5 -BcR 5)

- Certification technical production equipment (concrete plants; plants producing natural aggregates career) - certificates issued by ICECON

- Authorization for railway provider - SC COMPREST UTIL SRL

- Certificate of approval railroad engineering phase << Stone Sparta final product for ballasting the tracks - sort 31.5 / 50 mm >> accomplished in Sibioara Quarry

- Railway Technical Agreement for aggregate quarry sort 0/63 mm performed in pits Sibioara and Vacarie - Camena

- Authorization -ISC IInd degree - own laboratory for analyzes and tests;

- Authorization AFER own laboratory analyzes and tests.