Seems like several of the sawyers (listed somewhere here on NCWW) would be good sources to look at. I fully suspect Scott Smith in New Hill, south of Holly Springs/Apex would have what you need, but I believe there are other 'local' choices as well.
Here's the two I was thinking of, from the "Where to buy" and 'Where to buy Wood" section of the resources listings here
1. Whispering Pines Farm / www.Quartersawnoak.com
Scott Smith (919) 291-0095
New Hill, NC (30 miles SW of Raleigh; about half-way in-between Apex and Sanford)
2. Ricky Pope
Bahama, NC
Home: 919-471-9118
Cell: 919-485-9996
Searching the archives will tell you what others have found dealing with these vendors.