Principal Financial Group, Inc. engages in the investment management offering business. It offers financial products and services to businesses, individuals, and institutional clients. It operates its business through the following segments: Retirement and Income Solutions, Principal Asset Management, and Benefits and Protection. The Retirement and Income Solutions Segment offers a comprehensive portfolio of products and services for retirement savings along with select products for retirement income. The Principal Asset Management segment provides global investment solutions to institutional, retirement, retail and high net worth investors in the U.S. and select emerging markets. The Benefits and Protection segment includes selling individual life insurance products. The company was founded by Edward A. Temple in 1879 and is headquartered in Des Moines, IA.

CNO Financial Group, Inc. is an insurance holding company, which engages in developing, marketing, and administering health insurance, annuity, individual life insurance and other insurance products. It operates through the following segments: Bankers Life, Washington National, and Colonial Penn. The Bankers Life segment markets and distributes medicare supplement insurance, interest-sensitive life insurance, traditional life insurance, fixed annuities and long-term care insurance products to the middle-income senior market through a dedicated field force of career agents and sales managers supported by a network of community-based sales offices. The Washington National segment markets and distributes supplemental health including specified disease, accident and hospital indemnity insurance products and life insurance to middle-income consumers at home and at the worksite. The Colonial Penn segment markets primarily graded benefit and simplified issue life insurance directly to customers in the senior middle-income market through television advertising, direct mail, the Internet and telemarketing. The company was founded in 1979 and is headquartered in Carmel, IN.

Unum Group engages in the provision of financial protection benefits. Its services include disability, life, accident, critical illness, dental, vision, and other related services. It operates through the following segments: Unum US, Unum International, Colonial Life, Closed Block, and Corporate. The Unum US segment focuses on group disability, group life and accidental death and dismemberment products, and supplemental and voluntary lines of business. The Unum International segment engages in the operations of the UK business, which includes insurance for group long-term disability, group life, and supplemental lines of business that include dental, individual disability, and critical illness products. The Colonial Life segment includes insurance for accident, sickness, disability products, life products, and cancer and critical illness products. The Closed Block segment consists of individual disability, group and individual long-term care, and other insurance products no longer actively marketed. The Corporate segment refers to investment income on corporate assets and other corporate income and expenses not allocated to a line of business. The company was founded in 1848 and is headquartered in Chattanooga, TN.