Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the reference to our firm under the caption “Experts” in Amendment No. 1 to the Registration Statement (Form S-3 No. 333-161475) and related Prospectus of Park-Ohio Holdings Corp. for the registration of $100 million of its shares of common stock and debt securities and to the incorporation by reference therein of our reports dated March 12, 2009, with respect to the consolidated financial statements and schedule of Park-Ohio Holdings Corp., and the effectiveness of internal control over financial reporting of Park-Ohio Holdings Corp., included in its Annual Report (Form 10-K) for the year ended December 31, 2008, filed with the Securities and Exchange Commission.
Cleveland, Ohio
September 18, 2009