Frontier Adjusters is a network of multiline claims adjusters, serving the property and casualty insurance industry since 1957. Based in Gilbert, Ariz., the firm handles a series of assignments in auto appraisals, property estimates, complex casualty claims and catastrophic events of all kinds. It also specializes in private passenger auto appraisals, residential-property damage estimates and various types of inspections to large trucking liability and complex construction defect claims. Frontier Adjusters works with the large property and casualty insurers across the United States and Canada.