According to a National Storm Shelter Association (NSSA) Evaluator, Dr. James McDonald, a Professional Engineer, “The FlatSafe Tornado Shelter designs are well documented and well thought out”. Dr. McDonald also mentioned “The attention to detail is commendable”. In addition to the conclusions of a NSSA evaluator, Larry Tanner, a Professional Engineer and Research Associate at Texas Tech University, stated; “The Wind Engineering Research Center at Texas Tech University applauds your company’s efforts in providing a safe product for the consumer”.