Gardner Construction

I am trying to start a lumber yard and im trying to find out where and how I can purchase lumber direct. I have commercial property and buildings where I can sell lumber. I would like to sell soft wood for house framing,treated lumber,exterior decking,siding,glue-lams,lvl's,moulding,fencing,shingles,wood flooring,interior/exterior doors,osb,millwork,roof decking, ect. If you can help me I would appreciate it.