Milam runs Wilmington, North Carolina-based Coldwell Banker SeaCoast Advantage, which has nearly 1,900 agents who do more than $6 billion in annual sales. The firm, which Milam purchased in 1997, is among the top 30 largest brokerages in the US by sales volume. The company was founded in 1988 as Wilmington Sea Coast Properties and affiliated with Coldwell Banker in 1993.