The Progressive Corporation, an insurance holding company, provides personal and commercial auto, personal residential and commercial property, business related general liability, and other specialty property-casualty insurance products and related services in the United States. It operates in three segments: Personal Lines, Commercial Lines, and Property. The Personal Lines segment writes insurance for personal autos and recreational vehicles (RV). This segment's products include personal auto insurance; and special lines products, including insurance for motorcycles, ATVs, RVs, watercrafts, snowmobiles, and related products. The Commercial Lines segment provides auto-related liability and physical damage insurance, and business-related general liability and property insurance for autos, vans, and pick-up trucks used by small businesses, as well as non-fleet taxis, black-car services, and airport taxis; tractors, trailers, and straight trucks primarily used by regional general freight and expeditor-type businesses, and long-haul operators; dump trucks used by light contractors and heavy constructions; log trucks and garbage trucks used by dirt, sand and gravel, logging, garbage/debris removal, and coal-type businesses; and tow trucks and wreckers used in towing services and gas/service station businesses. The Property segment writes residential property insurance for homeowners, other property owners, and renters, as well as offers manufactured homes, personal umbrella insurance, and primary and excess flood insurance. The company offers policy issuance and claims adjusting services; acts as an agent to homeowners, general liability, workers' compensation insurance, and other products; and reinsurance services. It sells its products through independent insurance agencies, as well as through mobile applications and over the phone. The Progressive Corporation was founded in 1937 and is headquartered in Mayfield Village, Ohio.

The Allstate Corporation, together with its subsidiaries, provides property and casualty, and other insurance products in the United States and Canada. It operates in five segments: Allstate Protection; Protection Services; Allstate Health and Benefits; Run-off Property-Liability; and Corporate and Other segments. The Allstate Protection segment offers private passenger auto and homeowners insurance; other personal lines products; and commercial lines products through agents, contact centers, and online. The Protection Services segment provides consumer product protection; protection and insurance products, including vehicle service contracts, guaranteed asset protection, road hazard tire and wheel, and paintless dent repair protection; and roadside assistance, device and mobile data collection services, and analytic solutions using automotive telematics information, as well as identity theft protection and remediation services. This segment also offers its products under various brands, including Allstate Protection Plans, Allstate Dealer Services, Allstate Roadside, Arity, Avail, and Allstate Identity Protection. The Allstate Health and Benefits segment provides life, accident, critical illness, short-term disability, and other health insurance products; stop-loss and fully insured group health products to employers; and short-term medical and medicare supplement insurance to individuals. The Run-off Property-Liability segment offers property and casualty insurance coverage that primarily relates to policies written during the 1960s through the mid-1980s. The Corporate and Other segment provides debt services, as well as non-insurance operations. It sells its products through agents, independent agents, call and contact centers, retailers, direct to consumer, wholesale partners, and affinity groups, as well as through online and mobile applications. The Allstate Corporation was founded in 1931 and is headquartered in Northbrook, Illinois.

The Hartford Financial Services Group, Inc., together with its subsidiaries, provides insurance and financial services to individual and business customers in the United States, the United Kingdom, and internationally. Its Commercial Lines segment offers insurance coverages, including workers' compensation, property, automobile, general and professional liability, package business, umbrella, fidelity and surety, marine, livestock, accident, health, and reinsurance through regional offices, branches, sales and policyholder service centers, independent retail agents and brokers, wholesale agents, and reinsurance brokers. The company's Personal Lines segment provides automobile, homeowners, and personal umbrella coverages through direct-to-consumer channels and independent agents. Its Property & Casualty Other Operations segment offers coverage for asbestos and environmental exposures. The company's Group Benefits segment provides group life, disability, and other group coverages to members of employer groups, associations, and affinity groups through direct insurance policies; reinsurance to other insurance companies; employer paid and voluntary product coverages; disability underwriting, administration, and claims processing to self-funded employer plans; and leave management solution. This segment also distributes its group insurance products and services through brokers, consultants, third-party administrators, trade associations, and private exchanges. Its Hartford Funds segment offers managed mutual funds across various asset classes; and exchange-traded funds through broker-dealer organizations, independent financial advisers, defined contribution plans, financial consultants, bank trust groups, and registered investment advisers, as well as investment management, distribution, and administrative services, such as product design, implementation, and oversight. The company was founded in 1810 and is headquartered in Hartford, Connecticut.

The Hanover Insurance Group, Inc., through its subsidiaries, provides various property and casualty insurance products and services in the United States. The company operates through four segments: Core Commercial, Specialty, Personal Lines, and Other. The Commercial Lines segment offers commercial multiple peril, commercial automobile, workers' compensation, and other commercial lines coverage. The Specialty segment provides professional and executive Lines, marine, and surety and other, as well as specialty property and casualty, such as program business, specialty industrial business, excess and surplus business, and specialty general liability coverage. The Personal Lines segment offers personal automobile and homeowner's coverages, as well as other personal coverages, such as personal umbrella, inland marine, fire, personal watercraft, personal cyber, and other miscellaneous coverages. The Other segment markets investment advisory services to institutions, insurance companies, pension funds, and other organizations. The Hanover Insurance Group, Inc. markets its products and services through independent agents and brokers. The company was formerly known as Allmerica Financial Corp. and changed its name to The Hanover Insurance Group, Inc. in December 2005. The Hanover Insurance Group, Inc. was founded in 1852 and is headquartered in Worcester, Massachusetts.

Lincoln National Corporation, through its subsidiaries, operates multiple insurance and retirement businesses in the United States. It operates in four segments: Life Insurance, Annuities, Group Protection, and Retirement Plan Services. The Life Insurance segment provides life insurance products, including term insurance, universal life insurance (UL), indexed universal life insurance, variable universal life insurance (VUL), linked-benefit UL and VUL products, and critical illness and long-term care riders. The Annuities segment offers variable, fixed, and registered index-linked annuities. The Group Protection segment offers group non-medical insurance products consisting of short and long-term disability and statutory disability; paid family medical leave administration and absence management services; term life; dental and vision; and accident, critical illness, and hospital indemnity benefits and services to the employer marketplace through various forms of employee-paid and employer-paid plans. The Retirement Plan Services segment provides employers with retirement plan products and services primarily in the defined contribution retirement plan marketplace; individual and group variable annuities, group fixed annuities, and mutual fund-based programs; and various plan services, including plan recordkeeping, compliance testing, participant education, and trust and custodial services. The company distributes its products through consultants, brokers, planners, agents, financial advisors, third-party administrators, and other intermediaries. Lincoln National Corporation was founded in 1905 and is headquartered in Radnor, Pennsylvania.

Selective Insurance Group, Inc., together with its subsidiaries, provides insurance products and services in the United States. The company operates through four segments: Standard Commercial Lines, Standard Personal Lines, E&S Lines, and Investments. It offers casualty insurance products that covers the financial consequences of employee injuries in the course of employment and bodily injury and/or property damage to a third party; property insurance products, which covers the accidental loss of an insured's real property, personal property, and/or earnings due to the property's loss; and flood insurance products. The company also invests in fixed income investments and commercial mortgage loans, as well as equity securities, short-term investments, and alternative investments, and other investments. It offers its insurance products and services to businesses, non-profit organizations, local government agencies, and individuals through independent retail agents and wholesale general agents. The company was founded in 1926 and is headquartered in Branchville, New Jersey.

Kemper Corporation, a diversified insurance holding company, engages in the provision of insurance products to individuals and businesses in the United States. The company operates through three segments: Specialty Property & Casualty Insurance, Preferred Property & Casualty Insurance, and Life & Health Insurance. It provides preferred and specialty automobile, homeowners, renters, fire, umbrella, general liability, and various other property and casualty insurance to individuals, as well as commercial automobile insurance to businesses. The company also offers life insurance, including permanent and term insurance; and supplemental accident and health insurance products, such as Medicare supplement insurance, fixed hospital indemnity, home health care, specified disease, and accident-only plans to individuals in rural, suburban, and urban areas. It distributes its products through independent agents and brokers. The company was formerly known as Unitrin, Inc. and changed its name to Kemper Corporation in August 2011. Kemper Corporation was incorporated in 1990 and is headquartered in Chicago, Illinois.

ICC Holdings, Inc., together with its subsidiaries, provides property and casualty insurance products to the food and beverage industry in the United States. It offers commercial multi-peril, liquor liability, workers' compensation, and umbrella liability insurance products. The company markets its products through independent agents in Arizona, Colorado, Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Ohio, Pennsylvania, Utah, and Wisconsin. ICC Holdings, Inc. was founded in 1950 and is headquartered in Rock Island, Illinois.