Calzada Construcciones is a mid-size civil works company based in León, Guanajuato, active since 1990. It also works in residential construction.
CICSA (Grupo Carso) is a large civil works company based in Ciudad de México, Mexico City, active since 1980. It also works in energy & installations, commercial construction.
Cimientos de Puebla is a mid-size civil works company based in Puebla, Puebla, active since 1988. It also works in residential construction.
Coconal is a large civil works company based in Ciudad de México, Mexico City, active since 1961.