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

Brand Vector Logos start with 'I' letter

Ithair
Iinvictus Submission
Ideas en Gráficas
Itsaur
IFK Eskilstuna
Independiente Santa Fé-COL
Infinity Moda Feminina
Icultur
Issimo
IFK Haninge
III Keruleti TVE Budapest