Perhaps you are interested in the following logos.

3M 3M vector
Avant Class lin aereas Avant Class lin aereas vector
Cisco Systems Cisco Systems vector
Heaton Heaton vector
hamburghyp hamburghyp vector
MERCURY 2 MERCURY 2 vector
multiopticas multiopticas vector
Red Carpet Red Carpet vector
sony elec2 sony elec2 vector
WAGNER 2 WAGNER 2 vector
YvesSaintLaurent mod YvesSaintLaurent mod vector
310 studios 310 studios vector
3FM 3FM vector
3 Suisses 3 Suisses vector
6 Channel 6 Channel vector