Industry: Insurance Founded: 1940 Founder: Jack Dabney Ringwalt Headquarters: Omaha, Nebraska, USA About National Indemnity Company National Indemnity Company is an insurance company based in Omaha, Nebraska, United States, and founded in 1940 by Jack Dabney Ringwalt. It is a subsidiary of Berkshire Hathaway, which bought the company in 1967.Read More →