Exhibit 24


                                                 POWER OF ATTORNEY
                                                 -----------------




         KNOW ALL MEN BY THESE  PRESENTS,  that the undersigned  hereby  constitutes and appoints KENYON MURPHY and
BROCK HATTOX,  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 execute and file a  Registration  Statement on Form S-8 for the
$1.00 par value  National  Service  Industries,  Inc.  Common Stock and plan  interests to be offered in connection
with the the Holophane  Division of Lithonia  Lighting Group Retirement and 401(k) Plan for Hourly  Employees,  and
any and all amendments thereto,  with any exhibits thereto, and other documents in connection  therewith,  with the
U.S.  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




Dated:    March 19, 2001





                                                                                                         Exhibit 24


                                                 POWER OF ATTORNEY
                                                 -----------------




         KNOW ALL MEN BY THESE  PRESENTS,  that the undersigned  hereby  constitutes and appoints KENYON MURPHY and
BROCK HATTOX,  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 execute and file a  Registration  Statement on Form S-8 for the
$1.00 par value  National  Service  Industries,  Inc.  Common Stock and plan  interests to be offered in connection
with the the Holophane  Division of Lithonia  Lighting Group Retirement and 401(k) Plan for Hourly  Employees,  and
any and all amendments thereto,  with any exhibits thereto, and other documents in connection  therewith,  with the
U.S.  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
                                                                ------------------
                                                                L.M. Baker




Dated:    March 19, 2001




                                                                                                         Exhibit 24


                                                 POWER OF ATTORNEY
                                                 -----------------




         KNOW ALL MEN BY THESE  PRESENTS,  that the undersigned  hereby  constitutes and appoints KENYON MURPHY and
BROCK HATTOX,  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 execute and file a  Registration  Statement on Form S-8 for the
$1.00 par value  National  Service  Industries,  Inc.  Common Stock and plan  interests to be offered in connection
with the the Holophane  Division of Lithonia  Lighting Group Retirement and 401(k) Plan for Hourly  Employees,  and
any and all amendments thereto,  with any exhibits thereto, and other documents in connection  therewith,  with the
U.S.  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:    March 19, 2001




                                                                                                         Exhibit 24


                                                 POWER OF ATTORNEY
                                                 -----------------




         KNOW ALL MEN BY THESE  PRESENTS,  that the undersigned  hereby  constitutes and appoints KENYON MURPHY and
BROCK HATTOX,  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 execute and file a  Registration  Statement on Form S-8 for the
$1.00 par value  National  Service  Industries,  Inc.  Common Stock and plan  interests to be offered in connection
with the the Holophane  Division of Lithonia  Lighting Group Retirement and 401(k) Plan for Hourly  Employees,  and
any and all amendments thereto,  with any exhibits thereto, and other documents in connection  therewith,  with the
U.S.  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:    March 19, 2001





                                                                                                         Exhibit 24


                                                 POWER OF ATTORNEY
                                                 -----------------




         KNOW ALL MEN BY THESE  PRESENTS,  that the undersigned  hereby  constitutes and appoints KENYON MURPHY and
BROCK HATTOX,  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 execute and file a  Registration  Statement on Form S-8 for the
$1.00 par value  National  Service  Industries,  Inc.  Common Stock and plan  interests to be offered in connection
with the the Holophane  Division of Lithonia  Lighting Group Retirement and 401(k) Plan for Hourly  Employees,  and
any and all amendments thereto,  with any exhibits thereto, and other documents in connection  therewith,  with the
U.S.  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/ David Levy
                                                                  ---------------------
                                                                  David Levy




Dated:    March 19, 2001





                                                                                                         Exhibit 24


                                                 POWER OF ATTORNEY
                                                 -----------------




         KNOW ALL MEN BY THESE  PRESENTS,  that the undersigned  hereby  constitutes and appoints KENYON MURPHY and
BROCK HATTOX,  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 execute and file a  Registration  Statement on Form S-8 for the
$1.00 par value  National  Service  Industries,  Inc.  Common Stock and plan  interests to be offered in connection
with the the Holophane  Division of Lithonia  Lighting Group Retirement and 401(k) Plan for Hourly  Employees,  and
any and all amendments thereto,  with any exhibits thereto, and other documents in connection  therewith,  with the
U.S.  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/ Sam Nunn
                                                                  ------------------
                                                                  Sam Nunn




Dated:    March 19, 2001





                                                                                                         Exhibit 24


                                                 POWER OF ATTORNEY
                                                 -----------------




         KNOW ALL MEN BY THESE  PRESENTS,  that the undersigned  hereby  constitutes and appoints KENYON MURPHY and
BROCK HATTOX,  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 execute and file a  Registration  Statement on Form S-8 for the
$1.00 par value  National  Service  Industries,  Inc.  Common Stock and plan  interests to be offered in connection
with the the Holophane  Division of Lithonia  Lighting Group Retirement and 401(k) Plan for Hourly  Employees,  and
any and all amendments thereto,  with any exhibits thereto, and other documents in connection  therewith,  with the
U.S.  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:    March 19, 2001





                                                                                                         Exhibit 24


                                                 POWER OF ATTORNEY
                                                 -----------------




         KNOW ALL MEN BY THESE  PRESENTS,  that the undersigned  hereby  constitutes and appoints KENYON MURPHY and
BROCK HATTOX,  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 execute and file a  Registration  Statement on Form S-8 for the
$1.00 par value  National  Service  Industries,  Inc.  Common Stock and plan  interests to be offered in connection
with the the Holophane  Division of Lithonia  Lighting Group Retirement and 401(k) Plan for Hourly  Employees,  and
any and all amendments thereto,  with any exhibits thereto, and other documents in connection  therewith,  with the
U.S.  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:    March 19, 2001




                                                                                                         Exhibit 24


                                                 POWER OF ATTORNEY
                                                 -----------------




         KNOW ALL MEN BY THESE  PRESENTS,  that the undersigned  hereby  constitutes and appoints KENYON MURPHY and
BROCK HATTOX,  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 execute and file a  Registration  Statement on Form S-8 for the
$1.00 par value  National  Service  Industries,  Inc.  Common Stock and plan  interests to be offered in connection
with the the Holophane  Division of Lithonia  Lighting Group Retirement and 401(k) Plan for Hourly  Employees,  and
any and all amendments thereto,  with any exhibits thereto, and other documents in connection  therewith,  with the
U.S.  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:    March 19, 2001






                                                                                                         Exhibit 24


                                                 POWER OF ATTORNEY
                                                 -----------------




         KNOW ALL MEN BY THESE  PRESENTS,  that the undersigned  hereby  constitutes and appoints KENYON MURPHY and
BROCK HATTOX,  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 execute and file a  Registration  Statement on Form S-8 for the
$1.00 par value  National  Service  Industries,  Inc.  Common Stock and plan  interests to be offered in connection
with the the Holophane  Division of Lithonia  Lighting Group Retirement and 401(k) Plan for Hourly  Employees,  and
any and all amendments thereto,  with any exhibits thereto, and other documents in connection  therewith,  with the
U.S.  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/ Barrie A. Wigmore
                                                              ----------------------
                                                              Barrie A. Wigmore




Dated:    March 19, 2001





                                                                                                         Exhibit 24


                                                 POWER OF ATTORNEY
                                                 -----------------




         KNOW ALL MEN BY THESE  PRESENTS,  that the undersigned  hereby  constitutes and appoints KENYON MURPHY and
BROCK HATTOX,  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 execute and file a  Registration  Statement on Form S-8 for the
$1.00 par value  National  Service  Industries,  Inc.  Common Stock and plan  interests to be offered in connection
with the the Holophane  Division of Lithonia  Lighting Group Retirement and 401(k) Plan for Hourly  Employees,  and
any and all amendments thereto,  with any exhibits thereto, and other documents in connection  therewith,  with the
U.S.  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:    March 19, 2001