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 Record was created in 1989.
Grupo Gigante was created in 1962.
Grupo CIE was created in 1990.
Grupo RBS was created in 1957.
Grupo Cisneros was created in 1953.
Grupo Modelo was created in 1922.
Grupo Elektra was created in 1950.
Grupo Lala was created in 1950.
Grupo Reforma was created in 1922.
Grupo Poma was created in 1919.