Powell Industries (POWL) 10-K 2003 FY Annual report

Exhibit 32.2

CERTIFICATION PURSUANT
TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

        In connection with the Annual Report (the “Report”) of Powell Industries, Inc. (the “Company”) on Form 10-K for the year ended October 31, 2003 as filed with the Securities and Exchange Commission on the date hereof, I, Don R. Madison, Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly represents, in all material respects, the financial condition and results of operations of the Company.

                  Date: December 31, 2003     /s/ DON R. MADISON
Don R. Madison
Vice President and Chief Financial Officer