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

Brand Vector Logos start with 'I' letter

Independiente de Fernandez Santiago del Estero
Ingeniero Arrieta
IWC Schaffhausen
Iglesia Cristiana Evangélica Cristo el Redentor
Invima
i-Cherry
iFood
Illaftrain
INE
Izzo Caffè
Institute of Microengineering and Nanoelectronics