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.

American International Group, Inc. offers insurance products for commercial, institutional, and individual customers in North America and internationally. It operates through three segments: General Insurance, Life and Retirement, and Other Operations. The General Insurance segment provides commercial and industrial property insurance, including business interruption and package insurance that cover exposure to made and natural disasters; general liability, environmental, commercial automobile liability, workers' compensation, excess casualty, and crisis management insurance products; and professional liability insurance. This segment offers marine, energy-related property insurance, aviation, political risk, trade credit, trade finance, and portfolio solutions, as well as operates reinsurance business; voluntary and sponsor-paid personal accident, and supplemental health products; and personal auto and personal property insurance. Its Life and Retirement segment offers individual retirement products, including variable, fixed index, and fixed annuities, as well as retail mutual funds; group retirement products comprising record-keeping, plan administrative and compliance services, financial planning, and advisory solutions; life insurance, including term and universal life insurance; and institutional markets products, which includes wrap products, structured settlement, pension risk transfer annuities, corporate and bank-owned life insurance, high net worth, and guaranteed investment contract products. It distributes its products through a network of brokers, agents, advisors, banks, and other distributors. The company was founded in 1919 and is headquartered in New York, New York.

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.

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.

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.

Tiptree Inc., through its subsidiaries, provides specialty insurance products and related services primarily in the United States. It operates through two segments: Insurance and Mortgage. The company offers niche; commercial lines insurance products, including professional liability, general liability, contractual liability protection, property and other short-tail, and alternative risks insurance products; and personal lines insurance products, such as credit protection surrounding loan payments. It also provides auto and consumer warranty programs, including mobile devices, consumer electronics, appliances, furniture; and vehicle service contracts, GAP, and ancillary products; as well as premium or warranty contract financing services, lead generation support, and business process outsourcing services. In addition, the company offers mortgage loans for institutional investors; asset management services; and maritime shipping and asset management services, as well as invests in shares. It markets its products through a network of independent insurance agents, consumer finance companies, online retailers, auto dealers, and regional big box retailers. The company was formerly known as Tiptree Financial Inc. and changed its name to Tiptree Inc. in December 2016. Tiptree Inc. was founded in 1978 and is headquartered in Greenwich, Connecticut.

Argo Group International Holdings, Inc. underwrites specialty insurance and reinsurance products in the property and casualty markets. The company operates in two segments, U.S. Operations and International Operations. It offers primary and excess specialty casualty, general liability, commercial multi-peril, and workers compensation, as well as product, environmental, and auto liability insurance products; management liability, transaction liability, and errors and omissions liability insurance; primary and excess property, inland marine, and auto physical damage insurance; and surety, animal mortality, and ocean marine insurance products. The company also provides directors and officers liability, errors and omissions liability, and employment practices liability insurance; international casualty and motor treaties insurance; professional indemnity and medical malpractice insurance; direct and facultative excess insurance, North American and international binders, and residential collateral protection for lending institutions; and personal accident, aviation, cargo, yachts, and onshore and offshore marine insurance products. It markets its products through wholesale and retail agents, managing general agents, brokers, and third-party intermediaries. The company was founded in 1948 and is based in New York, New York. Argo Group International Holdings, Inc. operates as a subsidiary of BNRE Triangle Acquisition Inc.