Life Insurance Company of the Southwest (LSW) is an insurance company based in Addison, Texas. Established in the year 1955, the company provides life, accident, and health insurance coverage to families, individuals, and businesses. Additionally, the company offers single premium and flexible premium annuities in versions designed for both the qualified and non-qualified markets. It operates as a subsidiary of National Life Insurance Company. The assets of the company are managed by the board of trustees.