Zenith National Insurance Corp. is an indirect wholly-owned subsidiary of Fairfax Financial Holdings Limited. Zenith National Insurance Corp. is the holding company for Zenith Insurance Company and its subsidiaries, including ZNAT Insurance Company ("Zenith").
Zenith is primarily engaged nationally in the workers' compensation insurance business. Zenith conducts business in 45 states and the District of Columbia through independent agencies.
For more than 60 years, Zenith Insurance Company has been a specialist in workers' compensation. We’ve built our reputation as an industry leader by providing our customers superior service and achieving results that continually outperform the industry. We are committed to workplace safety and health, quality medical care, managing claim costs, returning employees to work, and fighting fraud and abuse.
How to Contact Zenith Insurance Company
For Claims in California:
Zenith Insurance Company
P.O. Box 9055
Van Nuys, CA 91409-9055
Fax: 877.280.4701
Website: http://www.thezenith.com