Exhibit (a)(7)

                          NOTICE TO HOLDERS OF OPTIONS
                           TO PURCHASE COMMON STOCK OF
                        NATIONAL SERVICE INDUSTRIES, INC.

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Notice is hereby given that the expiration date for the tender offer described
in the Offer to Purchase, dated April 25, 2003, as supplemented by the
Supplement, dated May 16, 2003, has been extended to 5:00 P.M., EASTERN DAYLIGHT
TIME, ON JUNE 10, 2003.

As of June 3, 2003, approximately 413,221 options have been tendered or
deposited pursuant to the offer.

YOU SHOULD READ THE OFFER TO PURCHASE AND SUPPLEMENT CAREFULLY FOR A DESCRIPTION
OF THE MATERIAL TERMS AND CONDITIONS OF THE OFFER.


DATED:  JUNE 3, 2003