Great West Casualty Company has been a subsidiary of Old Republic International Corporation since 1985. Old Republic is a Fortune 500 holding company with subsidiaries dating back to 1887. Great West’s commercial auto, cargo, inland marine, and workers’ compensation policies are underwritten and issued by Old Republic Insurance Company. The name on the certificate says Great West. The money comes from Old Republic.Northland Insurance is a division of Travelers Companies, a Dow 30 component and one of the la ...