A Commercial and Government Entity (CAGE) Code is a five position code that identifies companies doing or wishing to do business with the Federal Government. The format of the code is the first and fifth position must be numeric. The second, third and fourth may be any mixture of alpha/numeric excluding I and O. The code is used to support a variety of mechanized systems throughout the government. The code may be used for a Facility Clearance, a Pre-Award survey, automated Bidders Lists, pay processes, source of supply, etc.