AUSUR S.A. is a consortium formed by Rovella Carranza, JCR SA and Mota-Engil. The company was created for construction of road infrastructure in Argentina. It owns the Corredor Vial Sur transformation project (298.63km), which links the city of Buenos Aires with the south of the province. The project was tendered in the Public-Private Participation scheme in 2018. The consortium was established in 2018 and is headquartered in San Luis.