EXHIBIT 24


                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned hereby constitutes
and appoints Brock Hattox and Kenyon W. Murphy, and each of them individually,
his true and lawful attorneys-in-fact (with full power of substitution and
resubstitution) to act for him in his name, place, and stead in his capacity as
a director or officer of National Service Industries, Inc., to file a
registrant's annual report on Form 10-K for the fiscal year ended August 31,
2001, and any and all amendments thereto, with any exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact, and each of them individually, full power
and authority to do and perform each and every act and thing requisite and
necessary to be done in the premises, as fully to all intents and purposes as he
might or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact or either of them, or their substitutes, may lawfully do or
cause to be done by virtue hereof.


                            /s/ James S. Balloun

                            James S. Balloun
                            President and Chief Executive Officer, and Director


                            /s/ Brock Hattox

                            Brock Hattox
                            Executive Vice President and Chief Financial Officer


                            /s/ Kenyon W. Murphy

                            Kenyon W. Murphy
                            Senior Vice President and General Counsel


                            /s/ Robert R. Burchfield

                            Robert R. Burchfield
                            Vice President and Controller
                            (Principal Accounting Officer)


Dated: November 29, 2001



                                                                      EXHIBIT 24

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Brock Hattox and Kenyon W. Murphy, and each of them individually, his
true and lawful attorneys-in-fact (with full power of substitution and
resubstitution) to act for him in his name, place, and stead in his capacity as
a director or officer of National Service Industries, Inc., to file a
registrant's annual report on Form 10-K for the fiscal year ended August 31,
2001, and any and all amendments thereto, with any exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact, and each of them individually, full power
and authority to do and perform each and every act and thing requisite and
necessary to be done in the premises, as fully to all intents and purposes as he
might or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact or either of them, or their substitutes, may lawfully do or
cause to be done by virtue hereof.


                                                   /s/ John L. Clendenin
                                                   ------------------------
                                                   John L. Clendenin

Dated: November 29, 2001





                                                                      EXHIBIT 24

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Brock Hattox and Kenyon W. Murphy, and each of them individually, his
true and lawful attorneys-in-fact (with full power of substitution and
resubstitution) to act for him in his name, place, and stead in his capacity as
a director or officer of National Service Industries, Inc., to file a
registrant's annual report on Form 10-K for the fiscal year ended August 31,
2001, and any and all amendments thereto, with any exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact, and each of them individually, full power
and authority to do and perform each and every act and thing requisite and
necessary to be done in the premises, as fully to all intents and purposes as he
might or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact or either of them, or their substitutes, may lawfully do or
cause to be done by virtue hereof.


                                                      /s/ Thomas C. Gallagher
                                                      --------------------------
                                                      Thomas C. Gallagher

Dated: November 29, 2001



                                                                     EXHIBIT 24

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Brock Hattox and Kenyon W. Murphy, and each of them individually, his
true and lawful attorneys-in-fact (with full power of substitution and
resubstitution) to act for him in his name, place, and stead in his capacity as
a director or officer of National Service Industries, Inc., to file a
registrant's annual report on Form 10-K for the fiscal year ended August 31,
2001, and any and all amendments thereto, with any exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact, and each of them individually, full power
and authority to do and perform each and every act and thing requisite and
necessary to be done in the premises, as fully to all intents and purposes as he
might or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact or either of them, or their substitutes, may lawfully do or
cause to be done by virtue hereof.



                                       /s/ Neil Williams
                                       -----------------------------------
                                       Neil Williams



Dated: November 29, 2001



                                                                      EXHIBIT 24

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Brock Hattox and Kenyon W. Murphy, and each of them individually, his
true and lawful attorneys-in-fact (with full power of substitution and
resubstitution) to act for him in his name, place, and stead in his capacity as
a director or officer of National Service Industries, Inc., to file a
registrant's annual report on Form 10-K for the fiscal year ended August 31,
2001, and any and all amendments thereto, with any exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact, and each of them individually, full power
and authority to do and perform each and every act and thing requisite and
necessary to be done in the premises, as fully to all intents and purposes as he
might or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact or either of them, or their substitutes, may lawfully do or
cause to be done by virtue hereof.


                                                      /s/ Roy Richards, Jr.
                                                      ---------------------
                                                      Roy Richards, Jr.

Dated: November 29, 2001





                                                                      EXHIBIT 24

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Brock Hattox and Kenyon W. Murphy, and each of them individually, his
true and lawful attorneys-in-fact (with full power of substitution and
resubstitution) to act for him in his name, place, and stead in his capacity as
a director or officer of National Service Industries, Inc., to file a
registrant's annual report on Form 10-K for the fiscal year ended August 31,
2001, and any and all amendments thereto, with any exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact, and each of them individually, full power
and authority to do and perform each and every act and thing requisite and
necessary to be done in the premises, as fully to all intents and purposes as he
might or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact or either of them, or their substitutes, may lawfully do or
cause to be done by virtue hereof.


                                                      /s/ L.M. Baker, Jr.
                                                      -------------------
                                                      L.M. Baker, Jr.

Dated: November 29, 2001





                                                                      EXHIBIT 24

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Brock Hattox and Kenyon W. Murphy, and each of them individually, her
true and lawful attorneys-in-fact (with full power of substitution and
resubstitution) to act for her in her name, place, and stead in her capacity as
a director or officer of National Service Industries, Inc., to file a
registrant's annual report on Form 10-K for the fiscal year ended August 31,
2001, and any and all amendments thereto, with any exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact, and each of them individually, full power
and authority to do and perform each and every act and thing requisite and
necessary to be done in the premises, as fully to all intents and purposes as
she might or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact or either of them, or their substitutes, may lawfully do or
cause to be done by virtue hereof.

                                                  /s/ Betty L. Siegel
                                                  ------------------------------
                                                  Betty L. Siegel

Dated: November 29, 2001




                                                                      EXHIBIT 24

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Brock Hattox and Kenyon W. Murphy, and each of them individually, his
true and lawful attorneys-in-fact (with full power of substitution and
resubstitution) to act for him in his name, place, and stead in his capacity as
a director or officer of National Service Industries, Inc., to file a
registrant's annual report on Form 10-K for the fiscal year ended August 31,
2001, and any and all amendments thereto, with any exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact, and each of them individually, full power
and authority to do and perform each and every act and thing requisite and
necessary to be done in the premises, as fully to all intents and purposes as he
might or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact or either of them, or their substitutes, may lawfully do or
cause to be done by virtue hereof.

                                                     /s/ Ray M. Robinson
                                                     ---------------------------
                                                      Ray M. Robinson

Dated: November 29, 2001





                                                                      EXHIBIT 24

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Brock Hattox and Kenyon W. Murphy, and each of them individually, her
true and lawful attorneys-in-fact (with full power of substitution and
resubstitution) to act for her in her name, place, and stead in her capacity as
a director or officer of National Service Industries, Inc., to file a
registrant's annual report on Form 10-K for the fiscal year ended August 31,
2001, and any and all amendments thereto, with any exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact, and each of them individually, full power
and authority to do and perform each and every act and thing requisite and
necessary to be done in the premises, as fully to all intents and purposes as
she might or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact or either of them, or their substitutes, may lawfully do or
cause to be done by virtue hereof.

                                                /s/ Kathy Brittain White
                                                ------------------------------
                                                Kathy Brittain White

Dated: November 29, 2001




                                                                      EXHIBIT 24

                               POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and
appoints Brock Hattox and Kenyon W. Murphy, and each of them individually, his
true and lawful attorneys-in-fact (with full power of substitution and
resubstitution) to act for him in his name, place, and stead in his capacity as
a director or officer of National Service Industries, Inc., to file a
registrant's annual report on Form 10-K for the fiscal year ended August 31,
2001, and any and all amendments thereto, with any exhibits thereto, and other
documents in connection therewith, with the Securities and Exchange Commission,
granting unto said attorneys-in-fact, and each of them individually, full power
and authority to do and perform each and every act and thing requisite and
necessary to be done in the premises, as fully to all intents and purposes as he
might or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact or either of them, or their substitutes, may lawfully do or
cause to be done by virtue hereof.


                                                   /s/ Peter C. Browning
                                                   ----------------------------
                                                   Peter C. Browning

Dated: November 29, 2001