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

Brand Vector Logos start with 'Y' letter

Yapipor
YAYASAN PEMBANGGUNAN SOSIAL
Youtube
YPFB
YUEJIN
Yildiz Pazarlama Bingol
Your Singapore
Yelp
Yale University
Yellowfin
YAK