If I recall correctly the place in Pittsboro is called Heartwood Pine. I used them as a source for material for a large table and was very pleased with both the product and the level of service.
Initial search says " AI Overview ---
Heartwood Pine Floors is now operating as
Tarheel Reclaimed, located nearby at 2722 North Carolina 87 S in Moncure, NC, just outside of Pittsboro"
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Note:
I have some left over material I'd be happy to sell you for a significant discount from what I paid. - (Guessing at 1 7/8" thick? 4-5" wide? 8-10' long?)
These are 'character' boards that have
some nail holes etc. - which is what my client wanted, but they are surfaced / planed properly. I would guess it would be enough for a bench top, depending on your desired dimensions.
If you want to see the material - I wrote several excruciatingly detailed/long posts about it, but I am not certain the pics made it through the software upgrade that happened here on NCWW afterwards.
Here's the pic of the final result:
ncwoodworker.net