National Interstate (National Interstate) Total Premiums Earned : $605.4 Mil (As of Sep. 2016)

National Interstate Corp was founded in 1989. The Company, together with its subsidiaries operates as an insurance holding company group that underwrites and sells traditional and alternative property and casualty insurance products to the passenger transportation, trucking and moving and storage industries, general commercial insurance to small businesses in Hawaii and Alaska and personal insurance to owners of recreational vehicles throughout the United States. It is a specialty property and casualty insurance company with a niche orientation and a focus on the transportation industry. It offers over 40 product lines in the specialty property and casualty insurance market, which it groups into four general business components, alternative risk transfer, transportation, specialty personal lines and Hawaii and Alaska based on the class of business, insureds' risk participation or geographic location. Alternative risk transfer underwrites, markets and distributes truck transportation, passenger transportation and moving and storage ART insurance products, also known as captives. Transportation underwrites commercial auto liability, general liability, physical damage, workers' compensation and motor truck cargo and related coverages for truck and passenger operators. Specialty personal lines offer coverage for campsite liability, vehicle replacement coverage and coverage for trailers, golf carts and campsite storage facilities. The Company offers its products through multiple distribution channels including independent agents and brokers, program administrators, affiliated agencies and agent internet initiatives. The Company competes with Lancer Insurance Company, RLI Corporation, Great West Casualty Company, Northland Insurance Company, Sentry Insurance, Progressive Corporation and National General Insurance, Liberty Mutual Insurance Company, First Insurance, Dongbu Insurance Company, DTRIC Insurance Company, Zurich Insurance Company, American International Group, Inc., Travelers Company, Inc.