Below you can find logos, similar to the GP 1.

OGP 91 OGP 91 vector
CGPME CGPME vector
GPC1 GPC1 vector
LGP Telecom 125 LGP Telecom 125 vector
BearingPoint BearingPoint vector
SIGPRO 2002 SIGPRO 2002 vector
GP RECORDS GP RECORDS vector
GPRS GPRS vector
GP Records GP Records vector
Telstra Bigpond Telstra Bigpond vector
GP Batteries 2 GP Batteries 2 vector
GPC GPC vector
Moto GP Moto GP vector
LGP Telecom LGP Telecom vector
PGP Security 14 PGP Security 14 vector