The UPS Shipping method for WooCommerce will get real-time rates from the UPS API. The plugin work with domestic and International package.
Multiple addresses / warehouses can be used, rates will then be calculated based on the methods an address.
Rename default shipping name to suit your needs. With the included auto update, future updates will be available directly from Wordpress interface.
http://codecanyon.net/item/ups-shipping-method-for-woocommerce/4495975
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