O'REILLY AUTOMOTIVE, INC. AND SUBSIDIARIES Exhibit 21.1 - Subsidiaries of the Company Subsidiary State of Incorporation - ---------- ----------------------- Ozark Automotive Distributors, Inc. Missouri Greene County Realty Co. Missouri O'Reilly II Aviation, Inc. Missouri One hundred percent of the capital stock of each of the above listed subsidiaries is directly owned by O'Reilly Automotive, Inc. 1