Your underground tornado shelter and above ground safe room provider in the Southeast. Visit http://www.nationalstormshelters.com for more information.Our new product is a below ground shelter intended for use in your home’s garage. Our underground shelters can be accessed within seconds from the inside of your home. You can also access your storm shelter easily while your vehicle is still in the garage, because it fits underneath the vehicle space.National Storm Shelters, LLC is backed with 15 plus years of experience in manufacturing and machining. The business was formed when the F4 tornado hit Murfreesboro, TN in 2009. NSS President decided to begin building underground storm shelters so that people in the Middle TN community could have options and be safe. NSS creates an underground storm shelter product that fits into the floor of your garage and is accessible while your car is in the garage. We exceed FEMA and NSSA standards.