September 10-November 2, 2014 (pre-launch)
On September 10, 2014, Real Salt Lake announced the creation of a development team named Real Monarchs SLC, to join the USL PRO in 2015, in conjunction with the construction of a new soccer stadium located at the Utah State Fairpark.
November 3, 2014-present
| 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: