The Travelers Companies, Inc., through its subsidiaries, provides a range of commercial and personal property, and casualty insurance products and services to businesses, government units, associations, and individuals in the United States and internationally. The company operates through three segments: Business Insurance, Bond & Specialty Insurance, and Personal Insurance. The Business Insurance segment offers workers' compensation, commercial automobile and property, general liability, commercial multi-peril, employers' liability, public and product liability, professional indemnity, marine, aviation, onshore and offshore energy, construction, terrorism, personal accident, and kidnap and ransom insurance products. This segment operates through select accounts, which serve small businesses; commercial accounts that serve mid-sized businesses; national accounts, which serve large companies; and national property and other that serve large and mid-sized customers, commercial trucking industry, and agricultural businesses, as well as markets and distributes its products through brokers, wholesale agents, and program managers. The Bond & Specialty Insurance segment provides surety, fidelity, management and professional liability, and other property and casualty coverages and related risk management services through independent agencies and brokers. The Personal Insurance segment offers property and casualty insurance covering personal risks, primarily automobile and homeowners' insurance to individuals through independent agencies and brokers. The Travelers Companies, Inc. was founded in 1853 and is based in New York, New York.

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.

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.

RLI Corp., an insurance holding company, underwrites property and casualty insurance. Its Casualty segment provides commercial and personal coverage products; and general liability products, such as coverage for third-party liability of commercial insureds, including manufacturers, contractors, apartments, and mercantile. It also offers coverages for security guards and environmental liability for underground storage tanks, contractors and asbestos, and environmental remediation specialists; and professional liability coverages for errors and omission coverage for small to medium-sized design, technical, computer, and miscellaneous professionals. This segment provides commercial automobile liability and physical damage insurance to local, intermediate and long haul truckers, public transportation entities, and other types of specialty commercial automobile risks; incidental and related insurance coverages; inland marine coverages; management liability coverages, such as directors and officers liability insurance, fiduciary liability and coverages, employment practice liability, and for various classes of risks, including public and private businesses; and home business insurance products. The company's Property segment offers commercial property, cargo, hull, protection and indemnity, marine liability, inland marine, homeowners' and dwelling fire, and other property insurance products. Its Surety segment offers commercial surety bonds for medium to large-sized businesses; small bonds for businesses and individuals; and bonds for small to medium-sized contractors. The company also engages in various reinsurance coverages. It markets its products through branch offices, wholesale and retail brokers, carrier partners, and underwriting and independent agents. RLI Corp. was incorporated in 1965 and is headquartered in Peoria, Illinois.

ProAssurance Corporation, through its subsidiaries, provides property and casualty insurance, and reinsurance products in the United States. The company operates through Specialty Property and Casualty, Workers' Compensation Insurance, and Segregated Portfolio Cell Reinsurance segments. It offers professional liability insurance to healthcare providers and institutions, and attorneys and their firms; medical technology liability insurance to medical technology and life sciences companies; and custom alternative risk solutions, including assumed reinsurance, loss portfolio transfers, and captive cell programs for healthcare professional liability insureds. The company also provides workers' compensation insurance products, such as guaranteed cost policies, policyholder dividend policies, retrospectively rated policies, and deductible policies, as well as alternative market solutions that include program design, fronting, claims administration, risk management, SPC rental, asset management, and SPC management services for individual companies, agencies, groups, and associations. The company also participates in Syndicate 1729 at Lloyd's of London for underwriting. It markets its products through independent agencies and brokers, as well as an internal business development team. The company was founded in 1976 and is headquartered in Birmingham, Alabama.

Safety Insurance Group, Inc. provides private passenger and commercial automobile, and homeowner insurance in the United States. The company's private passenger automobile policies offer coverage for bodily injury and property damage to others, no-fault personal injury coverage for the insured/insured's car occupants, and physical damage coverage for an insured's own vehicle for collision or other perils. It also provides commercial automobile policies that offer insurance for commercial vehicles used for business purposes, including private passenger-type vehicles, trucks, tractors and trailers, insure individual vehicles, and commercial fleets; and homeowners policies, which provide coverage for homes, condominiums, and apartments for losses to a dwelling and its contents from various perils, and coverage for liability to others arising from ownership or occupancy. In addition, the company offers business owners policies that cover apartments and residential condominiums, restaurants, office condominiums, processing and services businesses, special trade contractors, and wholesalers. Further, it provides personal umbrella policies, which provide personal excess liability coverage over and above the limits of individual automobile, watercraft, and homeowner's insurance policies; and commercial umbrella, which offers an excess liability product to clients, as well as underwrites dwelling fire insurance for non-owner-occupied residences. Additionally, the company offers inland marine coverage for homeowners and business owner policies, and watercraft coverage for small and medium sized pleasure crafts. It distributes its products through independent agents. The company was formerly known as Safety Holdings Inc and changed its name to Safety Insurance Group, Inc. in April 2002. Safety Insurance Group, Inc. was founded in 1979 and is headquartered in Boston, Massachusetts.

Donegal Group Inc., an insurance holding company, provides property and casualty insurance to businesses and individuals. It operates through three segments: Investment Function, Personal Lines of Insurance, and Commercial Lines of Insurance. The company offers private passenger automobile policies that provide protection against liability for bodily injury and property damage arising from automobile accidents, as well as protection against loss from damage to automobiles; and homeowners policies, which provide coverage for damage to residences and their contents from a range of perils, including fire, lightning, windstorm, and theft, as well as liability of the insured arising from injury to other persons or their property. Donegal Group Inc. also offers commercial automobile policies that provide protection against liability for bodily injury and property damage arising from automobile accidents and protection against loss from damage to automobiles owned by the insured; commercial multi-peril policies that provide protection to businesses against combining liability and physical damage coverages; and workers' compensation policies, which provide benefits to employees for injuries sustained during employment. The company markets its insurance products primarily to Mid-Atlantic, Midwestern, New England, Southern, and Southwestern regions through independent insurance agencies. Donegal Group Inc. was incorporated in 1986 and is based in Marietta, Pennsylvania. Donegal Group Inc. operates as a subsidiary of Donegal Mutual Insurance Company.

Conifer Holdings, Inc., an insurance holding company, engages in the sale of property and casualty insurance products. The company offers insurance coverage in specialty commercial and personal product lines. It also underwrites various specialty insurance products, including property, general liability, liquor liability, automobile, and homeowners and dwelling policies. The company serves the commercial insurance needs of owner-operated businesses in the markets, such as hospitality, which includes restaurants, bars, taverns, and bowling centers, as well as small grocery and convenience stores; artisan contractors comprising plumbers, painters, carpenters, electricians, and other independent contractors; and security service providers, including companies that provide security guard services, security alarm products and services, and private investigative services. It offers specialty homeowners insurance products, such as low- value dwelling insurance tailored for owners of lower valued homes in Illinois, Indiana, Louisiana, and Texas; and wholesale agency services comprising commercial and personal lines insurance products for its insurance company subsidiaries, as well as third party insurers. Conifer Holdings, Inc. markets and sells its insurance products through a network of independent agents in 50 states in the United States. The company was incorporated in 2009 and is headquartered in Troy, Michigan.