North Main BBQ was created in 1981.
Hacked up for Barbecue was created in 1996-07.
The Barbecue Bible was created in 1998.
North Main Street School was created in 1916.
Maull's barbecue sauce was created in 1897.
Barbecue Brawl was created on 1956-12-14.
Dickey's Barbecue Pit was created in 1941.
North Carolina
Farmer's Market Barbecue was created on 1982-05-04.
Fiorella's Jack Stack Barbecue was created in 1974.
Bull's-Eye Barbecue Sauce was created in 1985.
Vinegar.
Not 100% sure what you mean, but North west Carolina/Lexington BBQ sauce uses a lot of tomato - it's the main ingredient.