National Interstate Insurance Company
InsuranceOhio, United States501-1000 Employees
National Interstate Insurance Company, together with its wholly owned subsidiary Vanliner Insurance Company, focuses on providing insurance solutions for the commercial transportation sector. It offers a broad set of insurance products—dozens in number—backed by loss-control resources and dedicated claims handling to tailor coverage to operational needs. Headquartered in Richfield, Ohio, the company operates an office in Kapolei, Hawaii, and serves customers across all 50 states through a national network of producers. In the market, it positions itself as a niche insurer specializing in transportation-related risk with a history of financial strength behind its product offerings. National Interstate operates as part of Great American Insurance Group, a collection of subsidiaries under American Financial Group, Inc., which is publicly traded on the New York Stock Exchange.