Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

LMI Aerospace, Inc.
St. Charles, Missouri

We hereby consent to the use in the Prospectus constituting a part of this Amendment No. 1 to Form S-1 Registration Statement of our report dated March 25, 2005, relating to the consolidated financial statements, which is contained in that Prospectus.

We also consent to the reference to us under the caption “Experts” in the Prospectus.

/s/ BDO Seidman, LLP

Chicago, IL
March 10, 2006