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 registrants 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 registrants 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 registrants 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