Exhibit 23

            Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration  Statements (on
Form S-3 No.  333-122991 dated February 25, 2005, Form S-3 No.  333-109528 dated
March 15, 2004 and Form S-8 No.  333-107627 dated August 4, 2003) of Argan, Inc.
and in the related Prospectus of our report dated April 8, 2005, except for Note
2 as to which the date is November  21, 2005,  with respect to the  consolidated
financial  statements  of Argan,  Inc.  included  in this  Annual  Report  (Form
10-KSB/A) for the year ended January 31, 2005.

                                                         /s/ Ernst & Young LLP

McLean, Virginia
December 1, 2005