Lincoln National Corporation, through its subsidiaries, engages in multiple insurance and retirement businesses in the United States. The company operates in Annuities, Retirement Plan Services, Life Insurance, and Group Protection segments. It sells a range of wealth protection, accumulation, and retirement income products and solutions. These products include fixed and indexed annuities, variable annuities, universal life insurance (UL), variable universal life insurance (VUL), linked-benefit UL, term life insurance, employer-sponsored defined contribution retirement plans, mutual funds and group life, disability, and dental products. The company also provides employer-sponsored fixed and variable annuities, and mutual fund-based programs; single and survivorship versions of UL and VUL, including corporate-owned UL and VUL, and bank-owned UL and VUL products to small- to mid-sized banks, and mid- to large-sized corporations; and group non-medical insurance products, principally term life, universal life, disability, dental, vision, accident, and critical illness insurance to the employer market place through various forms of contributory and non-contributory plans. Lincoln National Corporation distributes its products through consultants, brokers, planners, agents, financial advisors, third-party administrators, and other intermediaries. Lincoln National Corporation was founded in 1904 and is headquartered in Radnor, Pennsylvania.