The National Security Group Inc. (NSG) is an insurance holding company. The Company, through its three wholly owned subsidiaries, operates in two industry segments: property and casualty insurance and life insurance. The property and casualty subsidiaries of the Company are National Security Fire and Casualty (NSFC) and Omega One Insurance Company (Omega), which writes personal lines dwelling coverage, including dwelling fire and windstorm homeowners and mobile homeowner's lines of insurance in ten states. The Company's life insurance subsidiary National Security Insurance Company (NSIC) offers a line of life and health and accident insurance products in seven states. Its assets and investments are held in the operating insurance companies. The Company's investment income consists of interest and dividend income on debt and equity securities and realized capital gains and losses generated by debt and equity securities.