Ed,
Wurth would be my last choice because of price. They cater to high volume large customers. You might try Dixieply, or McEwen. Dixieply is in NE Charlotte. McEwen is in High Point but delievers to Charlotte. Horizon Forest Products has it at a good price but I've personally had some trouble with them. Their stuff is mostly 14ft long so make sure you can haul it before you go. Good luck.
Rob