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

Brand Vector Logos start with 'I' letter

Ilves Tampere
Ironi Rishon-Le-Zion
im.design (im.d)
IFK Goteborg
IF Gefle
Igreja Assembleia de Deus
Inka Patent
Ixia
Icatmor
Iskenderun Teknik Üniversitesi
Inter Slovnaft Bratislava