I have made some inquiries with Smithfield BBQ and the the location in Smithfield is smaller than the one in Rocky Mount. The manager I spoke with at Rocky Mount said a gathering of 20-30 could be easily accomodated, without taking over the restaurant. They would make arrangements for the tables to be reserved in an area, probably the back. There would be no fee or special arrangment other than my calling them a day or so before and letting them know approximately how many people and about what time.
This location is just east of the intersection of I-95 and US 64 about 3.5 miles in Rocky Mount, NC. It is the 3rd exit after getting on US 64East, exit at N. Wesleyan Blvd (US 301) and the restaurant is about 1000' to the South on Wesleyan. The site is in front of a Lowe's store and the entrance is right after the IHOP and Circle K store. If you see Bojangles, you've gone too far!
Smithfield BBQ - Rocky Mount
670 N. Wesleyan Blvd
Rocky Mount, NC 27804
Phone: (252) 937-3032
There are closer sites to Raleigh but most not as easy to get to and have generally less amenities nearby. If people would confirm the total number you'll be coming with when you post, then we can build a headcount. Thanks!