Open a database on Bloomberg Academic or Bloomberg Professional.
Enter the ticker symbol for the stock. The ticker symbol is one to four letters which represent the company and can be found by looking it up on your favorite investment research site or by contacting the Investor Relations department for the issuing company or organization.
Hit the "Equity" key at the top of the keyboard terminal.
Type the command "CACS" and hit "GO" for a list of CUSIPs associated with the ticker symbol provided.