Specialty Aviation Underwriters is the aviation underwriting company for Old United Casualty Company also d/b/a Vantage Casualty Company in the State of California. Located in Merriam, Kansas, Old United Casualty Company has an A.M. Best A rating
SAU has two locations to serve you. The home office is in Birmingham, Alabama with a satellite office in Irving, Texas. We operate through appointed agents throughout the United States.
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