SUMMA GOLD CORPORATION S.A.C. (SUMMA GOLD CORPORATION S.A.C.)

 ADMINISTRACION DE EMPRESAS S.A.C.  SUMMA GOLD CORPORATION 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.