Below you can find logos, similar to the Indy Racing League 37.

Transport League Transport League vector
Southern League 132 Southern League 132 vector
Major League Baseball Major League Baseball vector
AC Racing AC Racing vector
Appalachian League 280 Appalachian League 280 vector
Jaguar Racing Jaguar Racing vector
Victoria Racing Club Victoria Racing Club vector
Jet-Hot Racing Jet-Hot Racing vector
Delphi Indy Car Delphi Indy Car vector
Major League Soccer Major League Soccer vector
AMD Opteron 37 AMD Opteron 37 vector
Staples 37 Staples 37 vector
Rugby Leaguer Online Rugby Leaguer Online vector
Abruzzo B&B 370 Abruzzo B&B 370 vector
Minor League Baseball 270 Minor League Baseball 270 vector