Exhibit 23(a)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to The Gorman-Rupp Company 2015 Omnibus Incentive Plan our reports dated March 9, 2015, with respect to the consolidated financial statements of The Gorman-Rupp Company and the effectiveness of internal control over financial reporting of The Gorman-Rupp Company incorporated by reference in its Annual Report (Form 10-K) for the year ended December 31, 2014, filed with the Securities and Exchange Commission.

Cleveland, Ohio

April 30, 2015