On September 7, 2012, the name Phoenix FC was announced, along with the club logo.
On March 13, 2014, Phoenix FC were bought out. The new ownership rebranded the franchise to Arizona United.
| Current clubs:|
Arizona United | Bethlehem Steel | Charleston Battery | Charlotte Independence | Colorado Springs Switchbacks | FC Cincinnati | FC Montréal | Harrisburg City Islanders | Los Angeles Galaxy II | Louisville City | Oklahoma City Energy | Orange County Blues | Orlando City B | Pittsburgh Riverhounds | Portland Timbers 2 | Real Monarchs | Richmond Kickers | Rochester Rhinos | Rio Grande Valley FC Toros | Sacramento Republic | San Antonio FC | Seattle Sounders FC 2 | St. Louis FC | Swope Park Rangers | Toronto FC II | Tulsa Roughnecks FC | Whitecaps FC 2 | Wilmington Hammerheads
Clubs on hiatus: