Perhaps you are interested in the following logos.

ARA ARA vector
EMI classics for pleasure EMI classics for pleasure vector
MERCK MERCK vector
MRAA MRAA vector
PETRONOR petroleos PETRONOR petroleos vector
Price Costco Price Costco  vector
Scottish Amicable Scottish Amicable  vector
AAL AAL vector
AGF AGF vector
Aconite 673 Aconite 673 vector
Adima Adima vector
Amgen 107 Amgen 107 vector
Amoco 132 Amoco 132 vector
Amoeba Amoeba vector
Amsoil 151 Amsoil 151 vector