Clubs · 1999
9 clubs
| Club | League | Based in | Home ground |
|---|---|---|---|
| Bayamón FC | Liga Nacional de Fútbol de Puerto Rico | Bayamón | Juan Ramón Loubriel Stadium |
| Brooklyn Knights | USL League Two | — | Metropolitan Oval |
| DV8 Defenders | United States Adult Soccer Association | — | — |
| Lehigh Valley Steam | A-League | Lehigh Valley | — |
| Lynch's Irish Pub F.C. | — | — | — |
| Maryland Mania | A-League | — | — |
| Pumas FC | National Premier Soccer League | Birmingham | — |
| San Diego Pumitas | National Premier Soccer League | — | Balboa Stadium |
| Westchester Flames | USL League Two | New York City | City Park Stadium |