Producer Members – Producer Members are persons, firms, corporations, or partnerships who are engaged in the manufacture of tornado shelters and who certify that tornado shelters are in compliance with the ICC/NSSA 500 Standard and the FEMA P-361 criteria (guidelines) in the design, manufacture, installation, and inspection of Pre-manufactured Residential and/or Community/Commercial tornado shelters. Producer Members apply the appropriate NSSA seal bearing the Producer Member’s name to each Pre-manufactured Residential and/or Community/Commercial tornado shelter produced.