s my understanding that TN is a little more relaced than some States. Start by contacting the local County HD or if you live in a bigger city probably the City HD.
James at Extreme BBQ Trailers is also from your State and may be able to help you. He's a member here.
Owner/Head Cook/Chief Bottle Washer for Great Lakes BBQ & Feed Competition BBQ Team
FBA Member, KCBS Member & KCBS Certified BBQ Judge
Spicewine medium, weber kettle, gas grill