National Interstate Insurance Company, a leading provider of captive risk transfer products for the transportation industry, has had its A+ rating affirmed by AM Best. The outlook is stable, and the rating reflects the company’s strong balance sheet and operating performance. The rating agency also noted the company’s strong risk-adjusted capitalization, prudent investment portfolio, and high-quality reinsurance partners. Additionally, National Interstate’s expertise in its niche market and consistent favorable operating results, on par with its peers, also supported its rating. The company is a subsidiary of Great American Insurance Company, which also had its A+ rating affirmed, and its parent company, American Financial Group, had its credit ratings affirmed as well. Overall, AM Best views National Interstate and its affiliates as having a very strong profile, with a strong balance sheet and operating performance.