Infinite Helmets

IPFL - Indoor Professional Football League (1999-2001)

Boise Stallions (2001)

Boise Stallions

Hawaii Hammerheads (1999)

Hawaii Hammerheads

Idaho Stallions (1999-2000)

Idaho Stallions

Louisiana Bayou Beast (1999)

Louisiana Bayou Beast

Louisiana Rangers (2000)

Louisiana Rangers

Mississippi Fire Dogs (1999-2000)

Mississippi Fire Dogs

Mobile Seagulls (2000)

Mobile Seagulls

Omaha Beef (2000-2001)

Omaha Beef

Portland Prowlers (2000-2001)

Portland Prowlers

Rocky Mountain Thunder (1999)

Rocky Mountain Thunder

St. Louis Renegades (2001)

St. Louis Renegades

Shreveport-Bossier Bombers (2000)

Shreveport-Bossier Bombers

Tennessee Thundercats (2001)

Tennessee Thundercats

Texas Terminators (1999)

Texas Terminators

Trenton Lightning (2001)

Trenton Lightning

Announced but never participated

Fort Wayne Safari (2000)

Fort Wayne Safari