本文首先介紹國外常見的兩種「公司代碼」--"Ticker Symbol"與"D-U-N-S Number"， 及其在工商資訊檢索之應用，進而探討國內工商類資料庫及〔中央通訊社剪報資 料電腦查詢系統〕有關企業資訊檢索之問題。

　　　　　This paper is to study the application of "company code" in business information search. "Ticker Symbol" and "D-U-N-S Number" are used as examples. Some business databases produced in Taiwan including "CNA Newspaper Clipping Database" are discussed also.