The three major actors in the organization of competitions cyclists are:

• ASO (Groupe Amaury, also owner of the Team), which organizes the Tour de France, Paris-Nice, Paris-Roubaix, the Walloon Flèche, Liege-Bastogne-Liege, and Paris-Turns
• RCS Sport (RCS MediaGroup, also owner of the Gazzetta dello Sport), which organizes the Tour of Italy, Tirreno-Adriatico, Milan-San Remo, and the Tour of Lombardy
• Unipublic (property of Antena 3), which organizes the Tour of Spain.

Other companies organize tests of scales:

• the group Corelio (company of Flemish edition) organizes the Tour of Flandres (via the Flemish daily newspaper Het Nieuwsblad), and the Het Volk (via the daily newspaper of the same name).
• the company of marketing and management IMG (International Management Group) organizes the Tour of Romandie and the Tour of Switzerland
• the French daily newspaper the Dauphiné Libéré organizes the Critérium of Dauphine released
• the daily newspaper Spanish El Diario Vasco (Correo group) organizes the Tour of the Pays Basque and the Classique of San Sebastian
• the German agency of marketing Upsolut organizes the Tour of Germany (with the German Federation of Cycling), the Vattenfall Cyclassics and it Championship of Zurich