EXHIBIT 24



POWER OF ATTORNEY



KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer and/or director of MPW INDUSTRIAL SERVICES GROUP, INC., an Ohio corporation,
which is about to file with the Securities and Exchange Commission, Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an Annual Report on Form 10-K for the fiscal year ended June 30, 2005, hereby
constitutes and appoints Monte R. Black and Robert Valentine, and each of them, as his or her true and lawful attorneys-in-fact and agents with full power of substitution and resubstitution, for him or her and in his or her name, place and stead, in
any and all capacities, to sign such Annual Report on Form 10-K and any and all amendments thereto, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and Exchange Commission and the
Nasdaq Stock Market, granting unto each of said attorneys-in-fact and agents, and substitute or substitutes, full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the premises, as
fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all things that each of said attorneys-in-fact and agents, or his or their substitute or substitutes, may lawfully do or cause to be done by virtue
hereof.



IN WITNESS WHEREOF, the undersigned has
hereunto set his or her hand as of this 13thday of September, 2005.



/s/ Alfred FriedmanSignatureAlfred FriedmanPrinted Name




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POWER OF ATTORNEY



KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer and/or director of MPW INDUSTRIAL SERVICES GROUP,
INC., an Ohio corporation, which is about to file with the Securities and Exchange Commission, Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an Annual Report on Form 10-K for the fiscal year ended
June 30, 2005, hereby constitutes and appoints Monte R. Black and Robert Valentine, and each of them, as his or her true and lawful attorneys-in-fact and agents with full power of substitution and resubstitution, for him or her and in his or
her name, place and stead, in any and all capacities, to sign such Annual Report on Form 10-K and any and all amendments thereto, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and
Exchange Commission and the Nasdaq Stock Market, granting unto each of said attorneys-in-fact and agents, and substitute or substitutes, full power and authority to do and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all things that each of said attorneys-in-fact and agents, or his or their substitute or substitutes, may lawfully do or
cause to be done by virtue hereof.



IN WITNESS WHEREOF,
the undersigned has hereunto set his or her hand as of this 13thday of September, 2005.



/s/ Pete A. KlisaresSignaturePete A. KlisaresPrinted Name




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POWER OF ATTORNEY



KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer and/or director of MPW INDUSTRIAL SERVICES GROUP,
INC., an Ohio corporation, which is about to file with the Securities and Exchange Commission, Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an Annual Report on Form 10-K for the fiscal year ended
June 30, 2005, hereby constitutes and appoints Monte R. Black and Robert Valentine, and each of them, as his or her true and lawful attorneys-in-fact and agents with full power of substitution and resubstitution, for him or her and in his or
her name, place and stead, in any and all capacities, to sign such Annual Report on Form 10-K and any and all amendments thereto, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and
Exchange Commission and the Nasdaq Stock Market, granting unto each of said attorneys-in-fact and agents, and substitute or substitutes, full power and authority to do and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all things that each of said attorneys-in-fact and agents, or his or their substitute or substitutes, may lawfully do or
cause to be done by virtue hereof.



IN WITNESS WHEREOF,
the undersigned has hereunto set his or her hand as of this 13thday of September, 2005.



/s/ Timothy A. WalshSignatureTimothy A. WalshPrinted Name




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POWER OF ATTORNEY



KNOW ALL MEN BY THESE PRESENTS, that the undersigned officer and/or director of MPW INDUSTRIAL SERVICES GROUP,
INC., an Ohio corporation, which is about to file with the Securities and Exchange Commission, Washington, D.C., under the provisions of the Securities Exchange Act of 1934, as amended, an Annual Report on Form 10-K for the fiscal year ended
June 30, 2005, hereby constitutes and appoints Monte R. Black and Robert Valentine, and each of them, as his or her true and lawful attorneys-in-fact and agents with full power of substitution and resubstitution, for him or her and in his or
her name, place and stead, in any and all capacities, to sign such Annual Report on Form 10-K and any and all amendments thereto, and to file the same, with all exhibits thereto, and other documents in connection therewith, with the Securities and
Exchange Commission and the Nasdaq Stock Market, granting unto each of said attorneys-in-fact and agents, and substitute or substitutes, full power and authority to do and perform each and every act and thing requisite and necessary to be done in
and about the premises, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all things that each of said attorneys-in-fact and agents, or his or their substitute or substitutes, may lawfully do or
cause to be done by virtue hereof.



IN WITNESS WHEREOF,
the undersigned has hereunto set his or her hand as of this 13thday of September, 2005.



/s/ Luke FeckSignatureLuke FeckPrinted Name