Many do. Some vendors have a substantial export business, and some prefer that you have a US based freight forwarder that handles your exporting for you. You might do well to have a freight forwarder that can handle shipments all across the US, because this will make your buying easier.
International buyers have advantages that US and Canadian buyers dont. Many popular brands and items cannot be sold in the US (or all of North America) because the manufacturer doesnt want to diminish the demand for their product here. So jobbers can ONLY export these deals. Companies that come to mind are Abercrombie & Fitch (especially the logo merchandise), Citizens of Humanity, Frankie B Jeans, Tommy Bahama and others.
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