| A.S. Junior Pallacanestro Casale | — | Casale Monferrato | 1956 | — |
| A.S.S.I. Basket 99 Cremona | — | — | — | — |
| Aironi Basket Novara | — | Novara | — | — |
| Alma Basket Patti | — | — | 2012 | — |
| Alpo Basket '99 | — | Alpo | — | — |
| Ambrosiana Milano | — | Milan | — | — |
| AMG Sebastiani Basket Rieti | — | Rieti | 1946 | — |
| Amici Pallacanestro Udinese | — | Udine | 1999 | — |
| Ancona Basket | — | Ancona | — | — |
| Anderson Packers | National Basketball Association | Anderson | 1945 | Anderson High School Wigwam |
| Andrea Costa Imola | Serie A | Imola | October 4, 1967 | — |
| Angels Santarcangelo | — | — | — | — |
| Aquila Basket Trento | Serie A | Trento | 1995 | BTS Arena |
| Aresium Milano | — | Milan | — | — |
| AS Vicenza | Lega Basket Femminile | Vicenza | 1958 | — |
| ASD Briantea84 | — | Cantù | 1984 | — |
| ASD Polisportiva Amicacci | — | — | 1984 | — |
| ASDG Comense 1872 | — | Como | 1872 | — |
| Associazione Basket Latina | — | Latina | — | — |
| Associazione Dilettantistica Pallacanestro Recanati | — | Recanati | — | — |
| Associazione Sportiva Luiss | — | — | — | — |
| Athletic Genova | — | Genoa | 1968 | — |
| Atlanta Hawks | National Basketball Association | Atlanta | 1946 | Georgia Dome, State Farm Arena, UW–Milwaukee Panther Arena, St. Louis Arena, Wharton Field House, Kiel Auditorium, McCamish Pavilion, Omni Coliseum |
| Aurora Basket Jesi | — | Jesi | 1966 | PalaTriccoli |
| Auxilium Pallacanestro Torino | — | Turin | 1974 | Palazzetto dello Sport Gianni Asti |
| Azzurra Brindisi | — | Brindisi | 1964 | — |
| Baltimore Bullets | National Basketball Association | Baltimore | 1944 | Baltimore Coliseum |
| Basket Agropoli | — | Agropoli | 1966 | — |
| Basket Alcamo | — | Alcamo | — | — |
| Basket Anagni | — | — | — | — |
| Basket Brescia | — | Brescia | 1957 | — |
| Basket Brescia Leonessa | Serie A | Brescia | 2009 | PalaLeonessa |
| Basket Casier | — | Casier | — | — |
| Basket Cavezzo | — | Cavezzo | 1978 | — |
| Basket Cefalù | — | — | — | — |
| Basket Club Bolzano | — | Bolzano | — | Palazzetto dello sport "Paola Mazzali" |
| Basket Club Valtarese 2000 | — | — | — | — |
| Basket Costa Catania | — | Catania | — | — |
| Basket Draghi Novara | — | Novara | 1972 | — |
| Basket Femminile Livorno | — | Livorno | — | — |
| Basket Femminile Pavia | — | — | — | — |
| Basket Ferentino | — | Ferentino | 1977 | — |
| Basket Fossombrone | — | Fossombrone | — | — |
| Basket Livorno | — | Livorno | 1947 | — |
| Basket Lumezzane | — | Lumezzane | — | — |
| Basket Massafra | — | Massafra | — | — |
| Basket Mestre 1958 | — | Mestre | 1958 | Vitrifrigo Arena |
| Basket Montichiari | — | — | — | — |