Exhibit 8.01

Subsidiaries of the Registrant

Subsidiary	Jurisdiction of Incorporation	Name Under Which the Subsidiary Does Business	Ownership Interest
Viva GyM S.A.	Peru	Viva GyM	Graña y Montero owns 60.6%; GyM owns 39.0%
GyM S.A.	Peru	GyM	Graña y Montero owns 98.2%
Concesionaria La Chira S.A.	Peru	La Chira	Graña y Montero owns 50.0%
Concesión Canchaque S.A.	Peru	Canchaque	Graña y Montero owns 99.9%
Concar S.A.	Peru	Concar	Graña y Montero owns 99.7%
GMP S.A.	Peru	GMP	Graña y Montero owns 95.0%
GMD S.A.	Peru	GMD	Graña y Montero owns 89.2%
GyM Ferrovías S.A.	Peru	GyM Ferrovías	Graña y Montero owns 75.0%
Norvial S.A.	Peru	Norvial	Graña y Montero owns 67.0%
CAM Chile S.A.	Chile	Cam	Graña y Montero owns 75.0%
Survial S.A.	Peru	Survial	Graña y Montero owns 99.9%
GMI S.A.	Peru	GMI	Graña y Montero owns 89.4%
Stracon GyM S.A.	Peru	Stracon GyM	GyM owns 87.6%
Vial y Vives - DSD S.A.	Chile	Vial y Vives	GyM owns 82.0%
Inmobiliaria Almonte S.A.C.	Peru	Almonte	Viva GyM owns 50.4%
Morelco S.A.	Colombia	Morelco	Graña y Montero owns 70.0%
Concesionaria Via Expresa Sur, S.A.	Peru	VESUR	Graña y Montero owns 99.98%; GyM owns the remaining 0.02%