POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that each of the undersigned hereby constitutes and appoints David Levy 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 file a registrant’s annual report on Form 10-K for the fiscal year ended August 31, 2000, 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, Chairman of the Board,
President and Chief Executive Officer, and Director


/s/ BROCK HATTOX
Brock Hattox, Executive Vice President and
Chief Financial Officer


/s/ DAVID LEVY
David Levy, Executive Vice President,
Administration, and Director


/s/ ROBERT R. BURCHFIELD
Robert R. Burchfield, Vice President and Controller
(Principal Accounting Officer)


Dated: November 6, 2000
119
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and appoints David Levy 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 file a registrant’s annual report on Form 10-K for the fiscal year ended August 31, 2000, 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 6, 2000 120
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and appoints David Levy 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 file a registrant’s annual report on Form 10-K for the fiscal year ended August 31, 2000, 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. GALLAHER
Thomas C. Gallagher

Dated: November 6, 2000
121
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and appoints David Levy 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 file a registrant’s annual report on Form 10-K for the fiscal year ended August 31, 2000, 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 6, 2000 122
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and appoints David Levy 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 file a registrant’s annual report on Form 10-K for the fiscal year ended August 31, 2000, 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 6, 2000 123
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and appoints David Levy 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 file a registrant’s annual report on Form 10-K for the fiscal year ended August 31, 2000, 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 6, 2000 124
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and appoints David Levy 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 file a registrant’s annual report on Form 10-K for the fiscal year ended August 31, 2000, 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 6, 2000 125
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and appoints David Levy 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 file a registrant’s annual report on Form 10-K for the fiscal year ended August 31, 2000, 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/ SAM NUNN
Sam Nunn

Dated: November 6, 2000 126
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and appoints David Levy 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 file a registrant’s annual report on Form 10-K for the fiscal year ended August 31, 2000, 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/ HERMAN J. RUSSELL
Herman J. Russell

Dated: November 6, 2000 127
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and appoints David Levy 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 file a registrant’s annual report on Form 10-K for the fiscal year ended August 31, 2000, 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/ BETTY L. SIEGEL
Betty L. Siegel

Dated: November 6, 2000 128
POWER OF ATTORNEY

KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and appoints David Levy 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 file a registrant’s annual report on Form 10-K for the fiscal year ended August 31, 2000, 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/ KATHY BRITTAIN WHITE
Kathy Brittain White

Dated: November 6, 2000

129
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and appoints David Levy 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 file a registrant’s annual report on Form 10-K for the fiscal year ended August 31, 2000, 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 6, 2000 130
POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned hereby constitutes and appoints David Levy 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 file a registrant’s annual report on Form 10-K for the fiscal year ended August 31, 2000, 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/ BARRIE A. WIGMORE
Barrie A. Wigmore

Dated: November 6, 2000 131