Below you can find logos, similar to the AIA 51.

ESPN 2 51 ESPN 2 51 vector
General Electric 151 General Electric 151 vector
CULT 151 CULT 151 vector
Encanto Networks 151 Encanto Networks 151 vector
51 Channel 51 Channel vector
Taiapa Valley Taiapa Valley vector
Moldflow 51 Moldflow 51 vector
Windmere 51 Windmere 51 vector
Amsoil 151 Amsoil 151 vector
Leeds United AFC 51 Leeds United AFC 51 vector
ABC 7 251 ABC 7 251 vector
Saia-Burgess Electronics Saia-Burgess Electronics vector
Baia Del Silenzio Baia Del Silenzio vector
Secure Computing 151 Secure Computing 151 vector
aia Canada aia Canada  vector