Grupo Carso was created in 1990.
Both are completely different companies that have nothing to do with each other: Groupe Carso (Lyon) is a small laboratory and biotechnology company in France, while Grupo Carso is a Mexican global conglomerate worth over US$60 billion.
Carso Global Telecom was created on 1996-06-24.
Grupo Nutresa was created in 1920.
Grupo Tampico was created in 1912.
Grupo Modelo was created in 1922.
Grupo Abril was created in 1950.
Grupo Elektra was created in 1950.
Grupo Agbar was created in 1867.
Grupo Continental was created in 1964.
Grupo Sanborns was created in 1903.
Grupo Bimbo was created in 1945.
Grupo Calvo was created in 1940.