EXHIBIT 24.1

                                POWER OF ATTORNEY

         KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, in his
capacity as a director of Administaff, Inc., a Delaware corporation (the
"Company") appoints PAUL J. SARVADI, RICHARD G. RAWSON and JOHN H. SPURGIN, II
and each of them, severally, as his true and lawful attorney or
attorneys-in-fact and agent or agents, each of whom shall be authorized to act
with or without the other, with full power of substitution and resubstitution,
to execute, in his capacity as a director of the Company, and to file or cause
to be filed, with the Securities and Exchange Commission, the Company's Annual
Report on Form 10-K for the year ended December 31, 2002 and any and all
amendments thereto as said attorneys or any of them shall deem necessary or
incidental in connection therewith, and all materials required by the Securities
Exchange Act of 1934, as amended, with full power and authority to each of said
attorneys-in-fact and agents to do and perform in the name and on behalf of the
undersigned, each and every act and thing whatsoever that is necessary,
appropriate or advisable in connection with any or all the above-described
matters and to all intents and purposes as the undersigned might or could do in
person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them or their substitutes, may lawfully do or cause to be done
by virtue hereof.

         /s/ Michael W. Brown                         March 18, 2003
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Michael W. Brown                             Date



                                POWER OF ATTORNEY

         KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, in his
capacity as a director of Administaff, Inc., a Delaware corporation (the
"Company") appoints PAUL J. SARVADI, RICHARD G. RAWSON and JOHN H. SPURGIN, II
and each of them, severally, as his true and lawful attorney or
attorneys-in-fact and agent or agents, each of whom shall be authorized to act
with or without the other, with full power of substitution and resubstitution,
to execute, in his capacity as a director of the Company, and to file or cause
to be filed, with the Securities and Exchange Commission, the Company's Annual
Report on Form 10-K for the year ended December 31, 2002 and any and all
amendments thereto as said attorneys or any of them shall deem necessary or
incidental in connection therewith, and all materials required by the Securities
Exchange Act of 1934, as amended, with full power and authority to each of said
attorneys-in-fact and agents to do and perform in the name and on behalf of the
undersigned, each and every act and thing whatsoever that is necessary,
appropriate or advisable in connection with any or all the above-described
matters and to all intents and purposes as the undersigned might or could do in
person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them or their substitutes, may lawfully do or cause to be done
by virtue hereof.

         /s/ Paul S. Lattanzio                        March 18, 2003
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Paul S. Lattanzio                            Date



                                POWER OF ATTORNEY

         KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, in his
capacity as a director of Administaff, Inc., a Delaware corporation (the
"Company") appoints PAUL J. SARVADI, RICHARD G. RAWSON and JOHN H. SPURGIN, II
and each of them, severally, as his true and lawful attorney or
attorneys-in-fact and agent or agents, each of whom shall be authorized to act
with or without the other, with full power of substitution and resubstitution,
to execute, in his capacity as a director of the Company, and to file or cause
to be filed, with the Securities and Exchange Commission, the Company's Annual
Report on Form 10-K for the year ended December 31, 2002 and any and all
amendments thereto as said attorneys or any of them shall deem necessary or
incidental in connection therewith, and all materials required by the Securities
Exchange Act of 1934, as amended, with full power and authority to each of said
attorneys-in-fact and agents to do and perform in the name and on behalf of the
undersigned, each and every act and thing whatsoever that is necessary,
appropriate or advisable in connection with any or all the above-described
matters and to all intents and purposes as the undersigned might or could do in
person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them or their substitutes, may lawfully do or cause to be done
by virtue hereof.

         /s/ Jack M. Fields, Jr.                      March 18, 2003
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Jack M. Fields, Jr.                          Date



                                POWER OF ATTORNEY

         KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, in his
capacity as a director of Administaff, Inc., a Delaware corporation (the
"Company") appoints PAUL J. SARVADI, RICHARD G. RAWSON and JOHN H. SPURGIN, II
and each of them, severally, as his true and lawful attorney or
attorneys-in-fact and agent or agents, each of whom shall be authorized to act
with or without the other, with full power of substitution and resubstitution,
to execute, in his capacity as a director of the Company, and to file or cause
to be filed, with the Securities and Exchange Commission, the Company's Annual
Report on Form 10-K for the year ended December 31, 2002 and any and all
amendments thereto as said attorneys or any of them shall deem necessary or
incidental in connection therewith, and all materials required by the Securities
Exchange Act of 1934, as amended, with full power and authority to each of said
attorneys-in-fact and agents to do and perform in the name and on behalf of the
undersigned, each and every act and thing whatsoever that is necessary,
appropriate or advisable in connection with any or all the above-described
matters and to all intents and purposes as the undersigned might or could do in
person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them or their substitutes, may lawfully do or cause to be done
by virtue hereof.

         /s/ Austin P. Young                          March 18, 2003
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Austin P. Young                              Date



                                POWER OF ATTORNEY

         KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned, in his
capacity as a director of Administaff, Inc., a Delaware corporation (the
"Company") appoints PAUL J. SARVADI, RICHARD G. RAWSON and JOHN H. SPURGIN, II
and each of them, severally, as his true and lawful attorney or
attorneys-in-fact and agent or agents, each of whom shall be authorized to act
with or without the other, with full power of substitution and resubstitution,
to execute, in his capacity as a director of the Company, and to file or cause
to be filed, with the Securities and Exchange Commission, the Company's Annual
Report on Form 10-K for the year ended December 31, 2002 and any and all
amendments thereto as said attorneys or any of them shall deem necessary or
incidental in connection therewith, and all materials required by the Securities
Exchange Act of 1934, as amended, with full power and authority to each of said
attorneys-in-fact and agents to do and perform in the name and on behalf of the
undersigned, each and every act and thing whatsoever that is necessary,
appropriate or advisable in connection with any or all the above-described
matters and to all intents and purposes as the undersigned might or could do in
person, hereby ratifying and confirming all that said attorneys-in-fact and
agents or any of them or their substitutes, may lawfully do or cause to be done
by virtue hereof.

        /s/ Gregory E. Petsch                         March 18, 2003
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Gregory E. Petsch                            Date