| 1 | 
Arizona
Thunder (1998-2000) | 
 
| 2 | 
Dallas
Sidekicks (1998-2001) | 
 
| 3 | 
Portland
Pythons (1998-1999) | 
 
| 4 | 
Sacramento
Knights (1998-2001) | 
 
| 5 | 
Houston
Hotshots (1999-2000) | 
 
| 6 | 
Monterrey
LaRaza  (1999-2000) | 
 
| 7 | 
Utah
Freeze (1999-2001) | 
 
| 8 | 
St.
Louis Steamers (2000-2001) | 
 
| 9 | 
San
Diego Sockers (2001-2001) | 
 
 
Arizona,
Dallas, Portland, and Sacramento franchises
 all
transfered from the defunct CISL. 
   | 
 | 
Champion
 | 
Runner-Up
 | 
 
| 
2001
 | 
Dallas
Sidekicks
 | 
San
Diego Sockers
 | 
 
| 
2000
 | 
Monterrey
LaRaza
 | 
Dallas
Sidekicks
 | 
 
| 
1999
 | 
Sacramento
Knights
 | 
Dallas
Sidekicks
 | 
 
| 
1998
 | 
Dallas
Sidekicks
 | 
Sacramento
Knights
 | 
 
 
WISL championships by Franchise 
| 
2
 | 
Dallas
Sidekicks
 | 
1998
 | 
2001 | 
 
| 
1
 | 
Monterrey
LaRaza
 | 
2000
 | 
 | 
 
| 
1
 | 
Sacramento
Knights
 | 
1999
 | 
 | 
 
 
 |