| Club | Based in | Founded | Home ground |
|---|---|---|---|
| Cleveland City Stars | Cleveland | 2006 | Middlefield Cheese Stadium |
| Minnesota Thunder | Blaine | 1990 | National Sports Center |
| North Jersey Imperials | — | 1994 | — |
| Seattle Sounders | — | 1994 | Starfire Sports |
| Virginia Beach Mariners | Virginia Beach | 1994 | Virginia Beach Sportsplex |