Exhibit 21.1 – Subsidiaries of the Registrant

O’REILLY AUTOMOTIVE, INC. AND SUBSIDIARIES

SUBSIDIARIES OF THE REGISTRANT

Subsidiary		State of Incorporation
O’Reilly Automotive Stores, Inc.		Missouri
Ozark Automotive Distributors, Inc.		Missouri
Ozark Services, Inc.		Missouri
Ozark Purchasing, LLC		Missouri
O’Reilly Auto Enterprises, LLC		Delaware

In addition, 16 subsidiaries operating in the United States and Mexico have been omitted from the above list, as they would not, considered in the aggregate as a single subsidiary, constitute a significant subsidiary as defined by Rule 1-02(w) of Regulation S-X.

One hundred percent of the capital stock of each of the above subsidiaries is directly or indirectly owned by O’Reilly Automotive, Inc.