Founded in 1982, Clayton, Roper & Marshall is a commercial real estate appraising and consulting firm. Located in Birmingham, Ala., the firm specializes in multifamily, industrial, commercial and retail properties. It offers services in the categories of market studies, office space, recreational properties and shopping centers. The real estate firm serves Alabama, Georgia, Florida, South Carolina, North Carolina, Tennessee, Mississippi and Louisiana. Its list of clients includes Alabama Power Company, Bank of America, Federal Aviation Administration, NewCorp Financial and Columbus Bank & Trust.