SERVICE MINING QUALITY O&Z S.A.C. SERMIQOZ S.A.C. (SERMIQOZ S.A.C.)

 SERVICIOS MINEROS SAN FRANCISCO S.A.C.  LA JOYA MINING SOCIEDAD ANONIMA CERRADA  SERVICE MINING QUALITY O&Z S.A.C. SERMIQOZ S.A.C.  TOTAL GENIUS IRON MINING S.A.C.  EMPRESA MINERA AURIFERA ESTRELLA DE CHAPARRA S.A. EMAECSA