EXHIBIT 24

                               POWER OF ATTORNEY

     I, Norman R. Augustine, individually and in my capacities as chief 
executive officer and a director of Martin Marietta Corporation (the 
"Corporation"), hereby constitute and appoint Frank H. Menaker, Jr. and Stephen 
M. Piper, and each of them, with full power of substitution and resubstitution, 
my true and lawful attorneys-in-fact to execute and file, in my name and in the 
capacities indicated below, the Corporation's Annual Report on Form 10-K for the
year ended December 31, 1994, with exhibits thereto and other documents in 
connection therewith and any and all amendments (including post-effective 
amendments) or supplements thereto.

Name                            Capacities                Date
- ----                            ----------                ----
/s/ Norman R. Augustine         Chief Executive           February 23, 1995
- -------------------------       Officer and
Norman R. Augustine             Director


 
                               POWER OF ATTORNEY

     I, Lamar Alexander, individually and in my capacity as a director of Martin
Marietta Corporation (the "Corporation"), hereby constitute and appoint Frank H.
Menaker, Jr. and Stephen M. Piper, and each of them, with full power of 
substitution and resubstitution, my true and lawful attorneys-in-fact to execute
and file, in my name and in the capacity indicated below, the Corporation's 
Annual Report on Form 10-K for the year ended December 31, 1994, with exhibits 
thereto and other documents in connection therewith and any and all amendments 
(including post-effective amendments) or supplements thereto.

Name                             Capacity                 Date
- ----                             --------                 ----

/s/ Lamar Alexander              Director                 February 23, 1995
- ----------------------
Lamar Alexander


 
                               POWER OF ATTORNEY

     I, Marcus C. Bennett, individually and in my capacities as Director, Vice 
President, Chief Financial and Chief Accounting Officer of Martin Marietta 
Corporation (the "Corporation"), hereby constitute and appoint Frank H. Menaker,
Jr. and Stephen M. Piper, and each of them, with full power of substitution and 
resubstitution, my true and lawful attorneys-in-fact to execute and file, in my 
name and in the capacities indicated below, the Corporation's Annual Report on 
Form 10-K for the year ended December 31, 1994, with exhibits thereto and other 
documents in connection therewith and any and all amendments (including 
post-effective amendments) or supplements thereto.

Name                          Capacities                 Date
- ----                          ----------                 ----

/s/ Marcus C. Bennett         Director, Vice President,  February 23, 1995
- -------------------------     Chief Financial and       
Marcus C. Bennett             Chief Accounting Officer


 

                               POWER OF ATTORNEY

     I, John J. Byrne, individually and in my capacity as a director of Martin 
Marietta Corporation (the "Corporation"), hereby constitute and appoint Frank H.
Menaker, Jr. and Stephen M. Piper, and each of them, with full power of 
substitution and resubstitution, my true and lawful attorneys-in-fact to execute
and file, in my name and in the capacity indicated below, the Corporation's 
Annual Report on Form 10-K for the year ended December 31, 1994, with exhibits 
thereto and other documents in connection therewith and any and all amendments 
(including post-effective amendments) or supplements thereto.

Name                              Capacity                  Date
- ----                              --------                  ----

/s/ John J. Byrne                 Director                  February 23, 1995
- -------------------------
John J. Byrne

 

                               POWER OF ATTORNEY

     I, A. James Clark, individually and in my capacity as a director of Martin
Marietta Corporation (the "Corporation"), hereby constitute and appoint Frank H.
Menaker, Jr. and Stephen M. Piper, and each of them, with full power of
substitution and resubstitution, my true and lawful attorneys-in-fact to execute
and file, in my name and in the capacity indicated below, the Corporation's
Annual Report on Form 10-K for the year ended December 31, 1994, with exhibits
thereto and other documents in connection therewith and any and all amendments
(including post-effective amendments) or supplements thereto.

Name                              Capacity                  Date
- ----                              --------                  ----

/s/ A. James Clark                Director                  February 23, 1995
- -------------------------
A. James Clark 



                               POWER OF ATTORNEY

     I, Edwin I. Colodny, individually and in my capacity as a director of
Martin Marietta Corporation (the "Corporation"), hereby constitute and appoint
Frank H. Menaker, Jr. and Stephen M. Piper, and each of them, with full power of
substitution and resubstitution, my true and lawful attorneys-in-fact to execute
and file, in my name and in the capacity indicated below, the Corporation's
Annual Report on Form 10-K for the year ended December 31, 1994, with exhibits
thereto and other documents in connection therewith and any and all amendments
(including post-effective amendments) or supplements thereto.

Name                              Capacity                  Date
- ----                              --------                  ----

/s/ Edwin I. Colodny              Director                  February 23, 1995
- -------------------------
Edwin I. Colodny 
 


 

                               POWER OF ATTORNEY

     I, James L. Everett, III, individually and in my capacity as a director of
Martin Marietta Corporation (the "Corporation"), hereby constitute and appoint
Frank H. Menaker, Jr. and Stephen M. Piper, and each of them, with full power of
substitution and resubstitution, my true and lawful attorneys-in-fact to execute
and file, in my name and in the capacity indicated below, the Corporation's
Annual Report on Form 10-K for the year ended December 31, 1994, with exhibits
thereto and other documents in connection therewith and any and all amendments
(including post-effective amendments) or supplements thereto.

Name                              Capacity                  Date
- ----                              --------                  ----

/s/ James L. Everett, III         Director                  February 23, 1995
- -------------------------
James L. Everett, III


 

                               POWER OF ATTORNEY

     I, Edward L. Hennessy, Jr., individually and in my capacity as a director
of Martin Marietta Corporation (the "Corporation"), hereby constitute and
appoint Frank H. Menaker, Jr. and Stephen M. Piper, and each of them, with full
power of substitution and resubstitution, my true and lawful attorneys-in-fact
to execute and file, in my name and in the capacity indicated below, the
Corporation's Annual Report on Form 10-K for the year ended December 31, 1994,
with exhibits thereto and other documents in connection therewith and any and
all amendments (including post-effective amendments) or supplements thereto.

Name                              Capacity                  Date
- ----                              --------                  ----

/s/ Edward L. Hennessy, Jr.       Director                  February 23, 1995
- ---------------------------
Edward L. Hennessy, Jr.


 

                               POWER OF ATTORNEY

     I, Edward E. Hood, Jr., individually and in my capacity as a director of
Martin Marietta Corporation (the "Corporation"), hereby constitute and appoint
Frank H. Menaker, Jr. and Stephen M. Piper, and each of them, with full power of
substitution and resubstitution, my true and lawful attorneys-in-fact to execute
and file, in my name and in the capacity indicated below, the Corporation's
Annual Report on Form 10-K for the year ended December 31, 1994, with exhibits
thereto and other documents in connection therewith and any and all amendments
(including post-effective amendments) or supplements thereto.

Name                              Capacity                  Date
- ----                              --------                  ----

/s/ Edward E. Hood, Jr.           Director                  February 23, 1995
- -------------------------
Edward E. Hood, Jr. 


 

                               POWER OF ATTORNEY

     I, Caleb B. Hurtt, individually and in my capacity as a director of Martin
Marietta Corporation (the "Corporation"), hereby constitute and appoint Frank H.
Menaker, Jr. and Stephen M. Piper, and each of them, with full power of
substitution and resubstitution, my true and lawful attorneys-in-fact to execute
and file, in my name and in the capacity indicated below, the Corporation's
Annual Report on Form 10-K for the year ended December 31, 1994, with exhibits
thereto and other documents in connection therewith and any and all amendments
(including post-effective amendments) or supplements thereto.

Name                              Capacity                  Date
- ----                              --------                  ----

/s/ Caleb B. Hurtt                Director                  February 23, 1995
- -------------------------
Caleb B. Hurtt  



 
                               POWER OF ATTORNEY

     I, Gwendolyn S. King, individually and in my capacity as a director of
Martin Marietta Corporation (the "Corporation"), hereby constitute and appoint
Frank H. Menaker, Jr. and Stephen M. Piper, and each of them, with full power of
substitution and resubstitution, my true and lawful attorneys-in-fact to execute
and file, in my name and in the capacity indicated below, the Corporation's
Annual Report on Form 10-K for the year ended December 31, 1994, with exhibits
thereto and other documents in connection therewith and any and all amendments
(including post-effective amendments) or supplements thereto.

Name                              Capacity                  Date
- ----                              --------                  ----

/s/ Gwendolyn S. King             Director                  February 23, 1995
- -------------------------
Gwendolyn S. King 



 

                               POWER OF ATTORNEY

     I, Melvin R. Laird, individually and in my capacity as a director of
Martin Marietta Corporation (the "Corporation"), hereby constitute and appoint
Frank H. Menaker, Jr. and Stephen M. Piper, and each of them, with full power of
substitution and resubstitution, my true and lawful attorneys-in-fact to execute
and file, in my name and in the capacity indicated below, the Corporation's
Annual Report on Form 10-K for the year ended December 31, 1994, with exhibits
thereto and other documents in connection therewith and any and all amendments
(including post-effective amendments) or supplements thereto.

Name                              Capacity                  Date
- ----                              --------                  ----

/s/ Melvin R. Laird               Director                  February 23, 1995
- -------------------------
Melvin R. Laird  



 
                               POWER OF ATTORNEY

     I, Gordon S. Macklin, individually and in my capacity as a director of
Martin Marietta Corporation (the "Corporation"), hereby constitute and appoint
Frank H. Menaker, Jr. and Stephen M. Piper, and each of them, with full power of
substitution and resubstitution, my true and lawful attorneys-in-fact to execute
and file, in my name and in the capacity indicated below, the Corporation's
Annual Report on Form 10-K for the year ended December 31, 1994, with exhibits
thereto and other documents in connection therewith and any and all amendments
(including post-effective amendments) or supplements thereto.

Name                              Capacity                  Date
- ----                              --------                  ----

/s/ Gordon S. Macklin             Director                  February 23, 1995
- -------------------------
Gordon S. Macklin 



 
                               POWER OF ATTORNEY

     I, Eugene F. Murphy, individually and in my capacity as a director of
Martin Marietta Corporation (the "Corporation"), hereby constitute and appoint
Frank H. Menaker, Jr. and Stephen M. Piper, and each of them, with full power of
substitution and resubstitution, my true and lawful attorneys-in-fact to execute
and file, in my name and in the capacity indicated below, the Corporation's
Annual Report on Form 10-K for the year ended December 31, 1994, with exhibits
thereto and other documents in connection therewith and any and all amendments
(including post-effective amendments) or supplements thereto.

Name                              Capacity                  Date
- ----                              --------                  ----

/s/ Eugene F. Murphy              Director                  February 23, 1995
- -------------------------
Eugene F. Murphy 



 
 
                               POWER OF ATTORNEY

     I, Allen E. Murray, individually and in my capacity as a director of
Martin Marietta Corporation (the "Corporation"), hereby constitute and appoint
Frank H. Menaker, Jr. and Stephen M. Piper, and each of them, with full power of
substitution and resubstitution, my true and lawful attorneys-in-fact to execute
and file, in my name and in the capacity indicated below, the Corporation's
Annual Report on Form 10-K for the year ended December 31, 1994, with exhibits
thereto and other documents in connection therewith and any and all amendments
(including post-effective amendments) or supplements thereto.

Name                              Capacity                  Date
- ----                              --------                  ----

/s/ Allen E. Murray               Director                  February 23, 1995
- -------------------------
Allen E. Murray   




 
                               POWER OF ATTORNEY

     I, John W. Vessey, Jr., individually and in my capacity as a director of
Martin Marietta Corporation (the "Corporation"), hereby constitute and appoint
Frank H. Menaker, Jr. and Stephen M. Piper, and each of them, with full power of
substitution and resubstitution, my true and lawful attorneys-in-fact to execute
and file, in my name and in the capacity indicated below, the Corporation's
Annual Report on Form 10-K for the year ended December 31, 1994, with exhibits
thereto and other documents in connection therewith and any and all amendments
(including post-effective amendments) or supplements thereto.

Name                              Capacity                  Date
- ----                              --------                  ----

/s/ John W. Vessey, Jr.           Director                  February 23, 1995
- -------------------------
John W. Vessey, Jr. 



 
                               POWER OF ATTORNEY

     I, A. Thomas Young, individually and in my capacity as a director of
Martin Marietta Corporation (the "Corporation"), hereby constitute and appoint
Frank H. Menaker, Jr. and Stephen M. Piper, and each of them, with full power of
substitution and resubstitution, my true and lawful attorneys-in-fact to execute
and file, in my name and in the capacity indicated below, the Corporation's
Annual Report on Form 10-K for the year ended December 31, 1994, with exhibits
thereto and other documents in connection therewith and any and all amendments
(including post-effective amendments) or supplements thereto.

Name                              Capacity                  Date
- ----                              --------                  ----

/s/ A. Thomas Young               Director                  February 23, 1995
- -------------------------
A. Thomas Young