March 20, 2020 Michael W. Metcalf Chief Financial Officer Powell Industries, Inc. 8550 Mosley Road Houston, Texas 77075-1180 Re: Powell Industries, Inc. Form 10-K for the Fiscal Year Ended September 30, 2019 Filed December 5, 2019 File No. 001-12488 Dear Mr. Metcalf: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Manufacturing