Below you can find logos, similar to the Extreme.

Adobe Extreme Adobe Extreme vector
Extreme Rage Extreme Rage vector
Extreme Knowledge Extreme Knowledge vector
EXTREME EXTREME  vector
Extreme Groove Extreme Groove vector
Extreme XM Extreme XM vector
Frisco Extreme Frisco Extreme vector
Extreme Networks 251 Extreme Networks 251 vector
Shoextreme Shoextreme vector
Extreme 249 Extreme 249 vector
chevyextreme chevyextreme vector
Extreme Racewear Extreme Racewear vector
ExtremeSite ExtremeSite vector
Extreme Knowledge 250 Extreme Knowledge 250 vector
Extreme 107 3 Extreme 107 3 vector