Page 38
Exhibit 24                                                            
                                                                              

                               POWER OF ATTORNEY



KNOW ALL MEN BY THESE PRESENTS,  that each of the undersigned hereby constitutes
and appoints David Levy and J. Robert Hipps, 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,
1995, 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/ D. Raymond Riddle
                                 D. Raymond Riddle, Chairman of the Board
                                 and Chief Executive Officer, and Director


                                 /s/ Don W. Hubble
                                 Don W. Hubble, President and
                                 Chief Operating Officer, and Director


                                 /s/ J. Robert Hipps
                                 J. Robert Hipps, Senior Vice President, Finance
                                 (Principal Financial and Accounting Officer)


                                 /s/ John A. Bostater
                                 John A. Bostater, Vice President and Controller


                                 /s/ David Levy
                                 David Levy, Executive Vice President,
                                 Administration and Counsel, and Director




Dated:  November 17, 1995




Page 39
Exhibit 24                                                                 
                                                                            

                               POWER OF ATTORNEY



KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned  hereby  constitutes and
appoints David Levy and J. Robert Hipps, 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,
1995, 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/ Jesse Hill, Jr.
                                 Jesse Hill, Jr.





Dated:  November 17, 1995


Page 40
Exhibit 24                                                                  
                                                                            

                               POWER OF ATTORNEY



KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned  hereby  constitutes and
appoints David Levy and J. Robert Hipps, 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,
1995, 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/ Robert M. Holder, Jr.
                                 Robert M. Holder, Jr.





Dated:  November 17, 1995


Page 41
Exhibit 24                                                                 
                                                                           

                               POWER OF ATTORNEY



KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned  hereby  constitutes and
appoints David Levy and J. Robert Hipps, 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,
1995, 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/ F. Ross Johnson
                                 F. Ross Johnson





Dated:  November 17, 1995


Page 42
Exhibit 24                                                                 
                                                                             

                               POWER OF ATTORNEY



KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned  hereby  constitutes and
appoints David Levy and J. Robert Hipps, 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,
1995, 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 C. Kennedy
                                 James C. Kennedy





Dated:  November 17, 1995



Page 43
Exhibit 24                                                                 
                                                                           

                               POWER OF ATTORNEY



KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned  hereby  constitutes and
appoints David Levy and J. Robert Hipps, 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,
1995, 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/Donald R. Keough
                                 Donald R. Keough





Dated:  November 17, 1995



Page 44
Exhibit 24                                                                 
                                                                           

                               POWER OF ATTORNEY



KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned  hereby  constitutes and
appoints David Levy and J. Robert Hipps, 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,
1995, 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/ Bryan D. Langton
                                 Bryan D. Langton





Dated:  November 17, 1995



Page 45
Exhibit 24                                                                 
                                                                            

                               POWER OF ATTORNEY



KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned  hereby  constitutes and
appoints David Levy and J. Robert Hipps, 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,
1995, 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/ Bernard Marcus
                                 Bernard Marcus





Dated:  November 17, 1995



Page 46
Exhibit 24                                                                 
                                                                            

                               POWER OF ATTORNEY



KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned  hereby  constitutes and
appoints David Levy and J. Robert Hipps, 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,
1995, 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 G. Medlin, Jr.
                                 John G. Medlin, Jr.





Dated:  November 17, 1995


Page 47
Exhibit 24

                                                                             
                                                                           


                               POWER OF ATTORNEY




KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned  hereby  constitutes and
appoints David Levy and J. Robert Hipps, 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,
1995, 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 17, 1995



Page 48
Exhibit 24                                                                  
                                                                            

                               POWER OF ATTORNEY



KNOW ALL MEN BY THESE  PRESENTS,  that the  undersigned  hereby  constitutes and
appoints David Levy and J. Robert Hipps, 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,
1995, 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/ Erwin Zaban
                                 Erwin Zaban





Dated:  November 17, 1995