Based on a quick scan of the hotel reservations tool, so may not be the exact correct list.
Albion Whittaker
Anaheim Surf
Beach Perez
CDA Slammers Salazar
Clarkstown Elite
Crossfire Premiere
Dallas Sting Black
Dallas Texans South
Eagles
Hawaii Rush
Hawaii Surf Academy
Heat FC
IE Surf
LA Galaxy San Diego
LA Galaxy South Bay
Legends
MVLA
Palo Alto SC
Pats IER
PSV Union
Real Colorado National
Real Colorado Olympico
Real Henderson
SDSC Navy
SD Surf Academy Select
SD Surf Academy AB
SD Surf Academy Brookfield
San Jose Earthquakes Pre-DA
San Juan Spirit
Seattle United
Slammers FC Elite
Socal Academy
Socal Blues Holley/Rennie
Strikers North Mirola
West Coast Swanson
Albion Whittaker
Anaheim Surf
Beach Perez
CDA Slammers Salazar
Clarkstown Elite
Crossfire Premiere
Dallas Sting Black
Dallas Texans South
Eagles
Hawaii Rush
Hawaii Surf Academy
Heat FC
IE Surf
LA Galaxy San Diego
LA Galaxy South Bay
Legends
MVLA
Palo Alto SC
Pats IER
PSV Union
Real Colorado National
Real Colorado Olympico
Real Henderson
SDSC Navy
SD Surf Academy Select
SD Surf Academy AB
SD Surf Academy Brookfield
San Jose Earthquakes Pre-DA
San Juan Spirit
Seattle United
Slammers FC Elite
Socal Academy
Socal Blues Holley/Rennie
Strikers North Mirola
West Coast Swanson