Over here you will find free vector brand logos in Illustrator, EPS, Corel Draw format..

Brand Vector Logos start with 'C' letter

Cumhurbaskanligi Forsu
CCSS
Colegio de Nutricionistas y Dietistas de Venezuela
Capstone Turbine
Coolibar
Coors Light
carpani
CorelDRAW 2018
Cacao Oro
CJ Wow Shop
Cadillac