Christian Democrats (Network Italy, Scajoliani, local groups, Christian Democracy for the Autonomies, Liberal Populars, Christian Reformists, Catholic Right, Federation of Christian Populars), liberal-centrists (Dellutriani, Tremontiani, Magna Carta), Liberals (The Liberal Part, Popular Liberalism, Liberal Reformers, Decide!), Socialists (We Blue Reformers, Free Foundation, Young Italy, Circles of Reformist Initiative, New Italian Socialist Party, Reformist Socialists), liberal conservatives (New Alliance, Protagonist Right), national conservatives (Social Right, Social Action), grassroots (Circles of Freedom, Circles of Good Government)

Veltroniani, The Populars, Dalemiani (Reformists and Democrats), Rutelliani, Liberal PD, Democratic Ecologists, Lettiani (360 Association), To the Left (Democrats, Laicists, Socialists, Say Left, Labourites – Liberal Socialists, Left for the Country), Ulivists, Democracy and Socialism, Social Christians, Theo-Dems/Persons and Networks, European Republicans Movement, associate parties (Italian Radicals, Moderates for Piedmont)