Carso Infraestructura y Construcción, S.A. de C.V. is the subsidiary that participates in five areas of the infrastructure and construction sector: Installation of Pipelines; Fabrication and Services for the Petro-Chemical Industry; Infrastructure Projects, Civil Construction, and Housing. It has 4 yards for the fabrication of structures and services for the chemical and petroleum industries. The other sectors do not have plants, given the nature of their activities.