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.

Cincinnati Financial Corporation, together with its subsidiaries, provides property casualty insurance products in the United States. It operates through five segments: Commercial Lines Insurance, Personal Lines Insurance, Excess and Surplus Lines Insurance, Life Insurance, and Investments. The Commercial Lines Insurance segment offers coverage for commercial casualty, commercial property, commercial auto, and workers' compensation. It also provides contract and commercial surety bonds, and fidelity bonds; and machinery and equipment. The Personal Lines Insurance segment offers personal auto insurance; homeowner insurance; and dwelling fire, inland marine, personal umbrella liability, and watercraft coverages to individuals. The Excess and Surplus Lines Insurance segment offers commercial casualty insurance that covers businesses for third-party liability from accidents occurring on their premises or arising out of their operations, such as injuries sustained from products, as well as other coverages, including miscellaneous errors and omissions, professional liability, and excess liability; and commercial property insurance, which insures buildings, inventory, equipment, and business income from loss or damage due to various causes, such as fire, wind, hail, water, theft, and vandalism. The Life Insurance segment provides term life insurance products; universal life insurance products; worksite products, such as term life; and whole life insurance products, as well as annuities. The Investments segment invests in fixed-maturity investments, including taxable and tax-exempt bonds, redeemable preferred stocks, and mortgage-backed securities; and equity investments comprising common and nonredeemable preferred stocks. It also offers commercial leasing and financing services; and insurance brokerage services. Cincinnati Financial Corporation was founded in 1950 and is headquartered in Fairfield, Ohio.

Loews Corporation provides commercial property and casualty insurance in the United States and internationally. The company offers specialty insurance products, such as management and professional liability, and other coverage products; surety and fidelity bonds; property insurance products that include standard and excess property, marine and boiler, and machinery coverages; and casualty insurance products, such as workers' compensation, general and product liability, and commercial auto, surplus, and umbrella coverages. It also provides loss-sensitive insurance programs; and warranty, risk management, information, and claims administration services. The company markets its insurance products and services through independent agents, brokers, and managing general underwriters. In addition, the company is involved in the transportation and storage of natural gas and natural gas liquids, and hydrocarbons through natural gas pipelines covering approximately 13,455 miles of interconnected pipelines; 855 miles of NGL pipelines in Louisiana and Texas; 14 underground storage fields with an aggregate gas capacity of approximately 199.5 billion cubic feet of natural gas; and eleven salt dome caverns and related brine infrastructure for providing brine supply services. Further, the company operates a chain of 25 hotels; and develops, manufactures, and markets a range of extrusion blow-molded and injection molded plastic containers for customers in the pharmaceutical, dairy, household chemicals, food/nutraceuticals, industrial/specialty chemicals, and water and beverage/juice industries, as well as manufactures commodity and differentiated plastic resins from recycled plastic materials. Loews Corporation was incorporated in 1969 and is headquartered in New York, New York.

Old Republic International Corporation, through its subsidiaries, engages in the insurance underwriting and related services business primarily in the United States and Canada. It operates through three segments: General Insurance, Title Insurance, and Republic Financial Indemnity Group Run-off Business. The General Insurance segment offers aviation, commercial auto, commercial multi-peril, commercial property, general liability, home and auto warranty, inland marine, travel accident, and workers' compensation insurance products; and financial indemnity products for specialty coverages, including errors and omissions, fidelity, directors and officers, and surety. This segment provides its insurance products to businesses, state and local government, and other institutions in transportation, commercial construction, healthcare, education, retail and wholesale trade, forest products, energy, general manufacturing, and financial services industries. The Title Insurance segment offers lenders' and owners' policies to real estate purchasers and investors based upon searches of the public records. This segment also provides escrow closing and construction disbursement services; and real estate information products, national default management services, and various other services pertaining to real estate transfers and loan transactions. The Republic Financial Indemnity Group Run-off Business segment offers private mortgage insurance coverage that protects mortgage lenders and investors from default related losses on residential mortgage loans made primarily to homebuyers. Old Republic International Corporation was founded in 1923 and is based in Chicago, Illinois.

CNO Financial Group, Inc., through its subsidiaries, develops, markets, and administers health insurance, annuity, individual life insurance, insurance products, and financial services for senior and middle-income markets in the United States. It offers Medicare supplement, supplemental health, and long-term care insurance policies; life insurance; and annuities, as well as Medicare advantage plans to individuals through phone, online, mail, and face-to-face. The company also focuses on sale of voluntary benefit life and health insurance products for businesses, associations, and other membership groups by interacting with customers at their place of employment. In addition, it provides fixed indexed annuities; fixed interest annuities, including fixed rate single and flexible premium deferred annuities; single premium immediate annuities; supplemental health products, such as specified disease, accident, and hospital indemnity products; and long-term care plans primarily to retirees and older self-employed individuals in the middle-income market. Further, the company offers universal life and other interest-sensitive life products; and traditional life policies that include whole life, graded benefit life, term life, and single premium whole life products, as well as graded benefit life insurance products. It markets its products under the Bankers Life, Washington National, and Colonial Penn brand names. The company was founded in 1979 and is headquartered in Carmel, Indiana.

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.