National Security Group Inc is an insurance holding company. The company operates through two segments namely property and casualty insurance, and life insurance. The property and casualty segment primarily write personal lines dwelling coverage including dwelling fire and windstorm, homeowners and mobile homeowners lines of insurance in over 10 states, and the company's life insurance segment offers a basic line of life and health and accident insurance products in around seven states. Geographically, it operates through the region of United States and derives most of the revenue from property and casualty insurance segment.