Call up the brands that you have mentioned. They have info about their wholesalers in every city. they will be happy to help you cos they also need more sellers..Good Luck..
check out world wide brands online for a minimal fee of course you can have access to Chris Maltas research on legit light bulk to larg bulk wholesalers WWB is a legit business and they only recommend honest wholesaler/maufacturers
http://www.shoesmax.com/home.php?cat=54they are so cheap