Perhaps you are interested in the following logos.

AT&T larga distancia AT&T larga distancia vector
Geo Geo  vector
graupner graupner vector
068 sign 068 sign vector
3-En-Une 3-En-Une vector
AB AB vector
ADGCGQ ADGCGQ vector
AEK AEK vector
AFT AFT vector
AMT 164 AMT 164 vector
AOL Anywhere AOL Anywhere vector
Aerotec Aerotec vector
Aficio Aficio vector
Ajinomoto Ajinomoto vector
American Superconductor American Superconductor vector