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

Brand Vector Logos start with 'X' letter

XR OneWheel Plus
Xel Ha
XCMG
XGMA
X-Men vs Street Fighter
X-cellence Dietary Supplement
Xghajra Tornadoes FC
Xtendance
Xylote
XS5
x-haust Noise Reduction Merncruiser Mercury Racing SCi