EXHIBIT 25
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Powers of Attorney
------------------
POWER OF ATTORNEY
I, Norman R. Augustine, Chairman and Chief Executive Officer of Martin
Marietta Corporation, hereby constitute and appoint Frank H. Menaker, Jr. and
Stephen M. Piper, and each of them, with power of substitution, my true and
lawful attorneys-in-fact, with full power to do any and all acts and things for
me and on my behalf as Chairman and Chief Executive Officer of Martin Marietta
Corporation in connection with the preparation and filing with the Securities
and Exchange Commission under the Securities Act of 1933 and to sign for me, in
my name as Chairman and Chief Executive Officer of Martin Marietta Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use
in connection with the Martin Marietta Corporation Performance
Sharing Plan for Puerto Rico Employees.
Signature Capacity
--------- --------
/s/NORMAN R. AUGUSTINE Chairman and Chief Executive
---------------------- Officer
Norman R. Augustine Martin Marietta Corporation
December 2, 1993
POWER OF ATTORNEY
I, Marcus C. Bennett, a Director and as the Chief Financial Officer and
Chief Accounting Officer of Martin Marietta Corporation, hereby constitute and
appoint Frank H. Menaker, Jr. and Stephen M. Piper, and each of them, with power
of substitution, my true and lawful attorneys-in-fact, with full power to do any
and all acts and things for me and on my behalf as a Director and as the Chief
Financial Officer and Chief Accounting Officer of Martin Marietta Corporation in
connection with the preparation and filing with the Securities and Exchange
Commission under the Securities Act of 1933 and to sign for me, in my name as a
Director and as the Chief Financial Officer and Chief Accounting Officer of
Martin Marietta Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Martin Marietta Corporation Performance Sharing
Plan for Puerto Rico Employees.
Signature Capacity
--------- --------
/s/MARCUS C. BENNETT Chief Financial Officer,
-------------------- Chief Accounting Officer and
Marcus C. Bennett Director
December 2, 1993 Martin Marietta Corporation
POWER OF ATTORNEY
I, Lamar Alexander, a Director of Martin Marietta Corporation, hereby
constitute and appoint Frank H. Menaker, Jr. and Stephen M. Piper, and each of
them, with power of substitution, my true and lawful attorneys-in-fact, with
full power to do any and all acts and things for me and on my behalf as a
Director of Martin Marietta Corporation in connection with the preparation and
filing with the Securities and Exchange Commission under the Securities Act of
1933 and to sign for me, in my name as a Director of Martin Marietta
Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Martin Marietta Corporation Performance Sharing
Plan for Puerto Rico Employees.
Signature Capacity
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/s/LAMAR ALEXANDER Director
------------------ Martin Marietta Corporation
Lamar Alexander
December 2, 1993
POWER OF ATTORNEY
I, John J. Byrne, a Director of Martin Marietta Corporation, hereby
constitute and appoint Frank H. Menaker, Jr. and Stephen M. Piper, and each of
them, with power of substitution, my true and lawful attorneys-in-fact, with
full power to do any and all acts and things for me and on my behalf as a
Director of Martin Marietta Corporation in connection with the preparation and
filing with the Securities and Exchange Commission under the Securities Act of
1933 and to sign for me, in my name as a Director of Martin Marietta
Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Martin Marietta Corporation Performance Sharing
Plan for Puerto Rico Employees.
Signature Capacity
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/s/JOHN J. BYRNE Director
---------------- Martin Marietta Corporation
John J. Byrne
December 2, 1993
POWER OF ATTORNEY
I, A. James Clark, a Director of Martin Marietta Corporation, hereby
constitute and appoint Frank H. Menaker, Jr. and Stephen M. Piper, and each of
them, with power of substitution, my true and lawful attorneys-in-fact, with
full power to do any and all acts and things for me and on my behalf as a
Director of Martin Marietta Corporation in connection with the preparation and
filing with the Securities and Exchange Commission under the Securities Act of
1933 and to sign for me, in my name as a Director of Martin Marietta
Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Martin Marietta Corporation Performance Sharing
Plan for Puerto Rico Employees.
Signature Capacity
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/s/A. JAMES CLARK Director
----------------- Martin Marietta Corporation
A. James Clark
December 2, 1993
POWER OF ATTORNEY
I, Edwin I. Colodny, a Director of Martin Marietta Corporation, hereby
constitute and appoint Frank H. Menaker, Jr. and Stephen M. Piper, and each of
them, with power of substitution, my true and lawful attorneys-in-fact, with
full power to do any and all acts and things for me and on my behalf as a
Director of Martin Marietta Corporation in connection with the preparation and
filing with the Securities and Exchange Commission under the Securities Act of
1933 and to sign for me, in my name as a Director of Martin Marietta
Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Martin Marietta Corporation Performance Sharing
Plan for Puerto Rico Employees.
Signature Capacity
--------- --------
/s/EDWIN I. COLODNY Director
------------------- Martin Marietta Corporation
Edwin I. Colodny
December 2, 1993
POWER OF ATTORNEY
I, James L. Everett, III, a Director of Martin Marietta Corporation, hereby
constitute and appoint Frank H. Menaker, Jr. and Stephen M. Piper, and each of
them, with power of substitution, my true and lawful attorneys-in-fact, with
full power to do any and all acts and things for me and on my behalf as a
Director of Martin Marietta Corporation in connection with the preparation and
filing with the Securities and Exchange Commission under the Securities Act of
1933 and to sign for me, in my name as a Director of Martin Marietta
Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Martin Marietta Corporation Performance Sharing
Plan for Puerto Rico Employees.
Signature Capacity
--------- --------
/s/JAMES L. EVERETT, III Director
------------------------ Martin Marietta Corporation
James L. Everett, III
December 2, 1993
POWER OF ATTORNEY
I, Edward L. Hennessy, Jr., a Director of Martin Marietta Corporation,
hereby constitute and appoint Frank H. Menaker, Jr. and Stephen M. Piper, and
each of them, with power of substitution, my true and lawful attorneys-in-fact,
with full power to do any and all acts and things for me and on my behalf as a
Director of Martin Marietta Corporation in connection with the preparation and
filing with the Securities and Exchange Commission under the Securities Act of
1933 and to sign for me, in my name as a Director of Martin Marietta
Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Martin Marietta Corporation Performance Sharing
Plan for Puerto Rico Employees.
Signature Capacity
--------- --------
/s/EDWARD L. HENNESSY, Jr. Director
-------------------------- Martin Marietta Corporation
Edward L. Hennessy, Jr.
December 2, 1993
POWER OF ATTORNEY
I, Edward E. Hood, Jr., a Director of Martin Marietta Corporation, hereby
constitute and appoint Frank H. Menaker, Jr. and Stephen M. Piper, and each of
them, with power of substitution, my true and lawful attorneys-in-fact, with
full power to do any and all acts and things for me and on my behalf as a
Director of Martin Marietta Corporation in connection with the preparation and
filing with the Securities and Exchange Commission under the Securities Act of
1933 and to sign for me, in my name as a Director of Martin Marietta
Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Martin Marietta Corporation Performance Sharing
Plan for Puerto Rico Employees.
Signature Capacity
--------- --------
/s/EDWARD E. HOOD, JR. Director
---------------------- Martin Marietta Corporation
Edward E. Hood, Jr.
December 2, 1993
POWER OF ATTORNEY
I, Caleb B. Hurtt, a Director of Martin Marietta Corporation, hereby
constitute and appoint Frank H. Menaker, Jr. and Stephen M. Piper, and each of
them, with power of substitution, my true and lawful attorneys-in-fact, with
full power to do any and all acts and things for me and on my behalf as a
Director of Martin Marietta Corporation in connection with the preparation and
filing with the Securities and Exchange Commission under the Securities Act of
1933 and to sign for me, in my name as a Director of Martin Marietta
Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Martin Marietta Corporation Performance Sharing
Plan for Puerto Rico Employees.
Signature Capacity
--------- --------
/s/CALEB B. HURTT Director
----------------- Martin Marietta Corporation
Caleb B. Hurtt
December 2, 1993
POWER OF ATTORNEY
I, Gwendolyn S. King, a Director of Martin Marietta Corporation, hereby
constitute and appoint Frank H. Menaker, Jr. and Stephen M. Piper, and each of
them, with power of substitution, my true and lawful attorneys-in-fact, with
full power to do any and all acts and things for me and on my behalf as a
Director of Martin Marietta Corporation in connection with the preparation and
filing with the Securities and Exchange Commission under the Securities Act of
1933 and to sign for me, in my name as a Director of Martin Marietta
Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Martin Marietta Corporation Performance Sharing
Plan for Puerto Rico Employees.
Signature Capacity
--------- --------
/s/GWENDOLYN S. KING Director
-------------------- Martin Marietta Corporation
Gwendolyn S. King
December 2, 1993
POWER OF ATTORNEY
I, Melvin R. Laird, a Director of Martin Marietta Corporation, hereby
constitute and appoint Frank H. Menaker, Jr. and Stephen M. Piper, and each of
them, with power of substitution, my true and lawful attorneys-in-fact, with
full power to do any and all acts and things for me and on my behalf as a
Director of Martin Marietta Corporation in connection with the preparation and
filing with the Securities and Exchange Commission under the Securities Act of
1933 and to sign for me, in my name as a Director of Martin Marietta
Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Martin Marietta Corporation Performance Sharing
Plan for Puerto Rico Employees.
Signature Capacity
--------- --------
/s/MELVIN R. LAIRD Director
------------------ Martin Marietta Corporation
Melvin R. Laird
December 2, 1993
POWER OF ATTORNEY
I, Gordon S. Macklin, a Director of Martin Marietta Corporation, hereby
constitute and appoint Frank H. Menaker, Jr. and Stephen M. Piper, and each of
them, with power of substitution, my true and lawful attorneys-in-fact, with
full power to do any and all acts and things for me and on my behalf as a
Director of Martin Marietta Corporation in connection with the preparation and
filing with the Securities and Exchange Commission under the Securities Act of
1933 and to sign for me, in my name as a Director of Martin Marietta
Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Martin Marietta Corporation Performance Sharing
Plan for Puerto Rico Employees.
Signature Capacity
--------- --------
/s/GORDON S. MACKLIN Director
-------------------- Martin Marietta Corporation
Gordon S. Macklin
December 2, 1993
POWER OF ATTORNEY
I, Eugene F. Murphy, a Director of Martin Marietta Corporation, hereby
constitute and appoint Frank H. Menaker, Jr. and Stephen M. Piper, and each of
them, with power of substitution, my true and lawful attorneys-in-fact, with
full power to do any and all acts and things for me and on my behalf as a
Director of Martin Marietta Corporation in connection with the preparation and
filing with the Securities and Exchange Commission under the Securities Act of
1933 and to sign for me, in my name as a Director of Martin Marietta
Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Martin Marietta Corporation Performance Sharing
Plan for Puerto Rico Employees.
Signature Capacity
--------- --------
/s/EUGENE F. MURPHY Director
------------------- Martin Marietta Corporation
Eugene F. Murphy
December 2, 1993
POWER OF ATTORNEY
I, Allen E. Murray, a Director of Martin Marietta Corporation, hereby
constitute and appoint Frank H. Menaker, Jr. and Stephen M. Piper, and each of
them, with power of substitution, my true and lawful attorneys-in-fact, with
full power to do any and all acts and things for me and on my behalf as a
Director of Martin Marietta Corporation in connection with the preparation and
filing with the Securities and Exchange Commission under the Securities Act of
1933 and to sign for me, in my name as a Director of Martin Marietta
Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Martin Marietta Corporation Performance Sharing
Plan for Puerto Rico Employees.
Signature Capacity
--------- --------
/s/ALLEN E. MURRAY Director
------------------ Martin Marietta Corporation
Allen E. Murray
December 2, 1993
POWER OF ATTORNEY
I, John W. Vessey, Jr., a Director of Martin Marietta Corporation, hereby
constitute and appoint Frank H. Menaker, Jr. and Stephen M. Piper, and each of
them, with power of substitution, my true and lawful attorneys-in-fact, with
full power to do any and all acts and things for me and on my behalf as a
Director of Martin Marietta Corporation in connection with the preparation and
filing with the Securities and Exchange Commission under the Securities Act of
1933 and to sign for me, in my name as a Director of Martin Marietta
Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Martin Marietta Corporation Performance Sharing
Plan for Puerto Rico Employees.
Signature Capacity
--------- --------
/s/JOHN W. VESSEY, JR. Director
---------------------- Martin Marietta Corporation
John W. Vessey, Jr.
December 2, 1993
POWER OF ATTORNEY
I, A. Thomas Young, a Director of Martin Marietta Corporation, hereby
constitute and appoint Frank H. Menaker, Jr. and Stephen M. Piper, and each of
them, with power of substitution, my true and lawful attorneys-in-fact, with
full power to do any and all acts and things for me and on my behalf as a
Director of Martin Marietta Corporation in connection with the preparation and
filing with the Securities and Exchange Commission under the Securities Act of
1933 and to sign for me, in my name as a Director of Martin Marietta
Corporation:
1. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Sandia Corporation Savings and Security Plan and
the Sandia Corporation Savings and Income Plan; and
2. A Registration Statement or Registration Statements on Form S-8 and
any and all amendments and supplements thereto (including post-
effective amendments) for the purpose of registering under the
Securities Act of 1933 such number of shares of the Common Stock of
Martin Marietta Corporation as are necessary or appropriate for use in
connection with the Martin Marietta Corporation Performance Sharing
Plan for Puerto Rico Employees.
Signature Capacity
--------- --------
/s/A. THOMAS YOUNG Director
------------------ Martin Marietta Corporation
A. Thomas Young
December 2, 1993