Business Pulse - Local unemployment hits 24% Forget about a ripple effect. The shutdown of the Nissan plant in Smyrna, the largest automotive manufacturing facility in North America, has sent tidal waves of problems to employers in Warren County and throughout Middle Tennessee. Yikes! OMG! Noooo! Latest Business Monthly- Empowering Micropolitan areas FBLA first place Business Pulse- Hasta luego Javi's Business Pulse- Rack 'em up! Pool hall opens