'orderby' => 'name' sorts by slug – not title;
therefore, the title Imancorp Foundation which has this permalink http://www.alianzafpdual.es/las-empresas/fundacion-imancorp-foundation/ breaks the list.
https://codex.wordpress.org/Class_Reference/WP_Query#Order_.26_Orderby_Parameters
try and use instead 'orderby' => 'title'