Unidad Editorial was created in 2007.
Unidad Falangista Montañesa was created in 1980.
Puente de la Unidad was created in 2003.
Unidad Académica Campesina-Carmen Pampa was created in 1993.
Confederación de Unidad Sindical de Guatemala was created in 1983.
Unidad de Gestión Operativa Ferroviaria de Emergencia was created in 2005.
Editorial Bruguera was created in 1910.
Editorial Humor was created in 2018.
Editorial Ivrea was created in 1997.
Norma Editorial was created in 1977.
Análise Editorial was created in 2005.
Editorial Atlántida was created in 1918.
Editorial Losada was created in 1938.