Southern Barter Club – Don't spend your cash, trade for it! http://southernbarterclub.com/
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Trade Exchange serving middle, western, and northern Michigan. http://tradenetwork.org/
XO software has created a unique software for alternative currency platform and http://www.xolimited.com/
Instant Barter LLC provides traditional barter exchange services, with innovative http://instantbarter.com
is made up of 5,036 groups with 8,913,534 members around the world. http://www.freecycle.org