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EXHIBIT 21.01
SUBSIDIARIES OF MARTIN MARIETTA MATERIALS, INC.
As of March 16, 2001
NAME OF SUBSIDIARY PERCENT OWNED
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Alamo Gulf Coast Railroad Company, a Texas corporation 99.5%(1)
Alamo North Texas Railroad Company, a Texas corporation 99.5%(2)
American Aggregates Corporation, a Delaware corporation 100%
American Stone Company, a North Carolina corporation 50%(3)
B&B Materials and Hauling, Inc., a Texas corporation 100%(4)
Bahama Rock Limited, a Bahamas corporation 100%
Bayou Mining, Inc., a Louisiana corporation 100%
Caldwell/Mellott, Inc., a North Carolina corporation 100%
Central Rock Company, a North Carolina corporation 100%
Eastside Development Limited Partnership, a Texas limited partnership 99%(5)
Fredonia Valley Railroad, Inc., a Delaware corporation 100%
Harding Street Corporation, a Delaware corporation 100%
Martin Marietta Aggregates of Iowa, Inc., an Iowa corporation 100%
Martin Marietta Aggregates of Southern Iowa, Inc., an Iowa corporation 100%
Martin Marietta Composites, Inc., a Delaware corporation 100%
Martin Marietta Exports, Inc., a Barbados corporation 100%
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(1} Alamo Gulf Coast Railroad Company is owned by Martin Marietta Materials
Southwest, Ltd. (99.5%) and certain individuals (0.5%).
(2) Alamo North Texas Railroad Company is owned by Martin Marietta
Materials Southwest, Ltd. (99.5%) and certain individuals (0.5%).
(3) Central Rock Company, a wholly-owned subsidiary of the Company, owns a
50% interest in American Stone Company.
(4) B&B Materials and Hauling, Inc. is a wholly-owned subsidiary of Martin
Marietta Materials Southwest, Ltd.
(5) Eastside Development Limited Partnership is owned by Martin Marietta
Materials Southwest, Ltd. (99%) and Redland Development Company (1%), a
wholly-owned subsidiary of Martin Marietta Materials Southwest, Ltd.
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2
Martin Marietta Magnesia Specialties Inc., a Delaware corporation 100%
Martin Marietta Materials Canada Limited, a Nova Scotia, Canada corporation 100%
Martin Marietta Materials of Louisiana, Inc., a Delaware corporation 100%
Martin Marietta Materials de Mexico, S.A. de C.V., a Mexican corporation 100%(6)
Martin Marietta Materials of Missouri, Inc., a Delaware corporation 100%
Martin Marietta Materials Southwest, Ltd., a Texas limited partnership 100%(7)
Martin Marietta Materials of Tennessee, Inc., a Delaware corporation 100%
Martin Marietta Technologies Corp., a Delaware corporation 100%
Menefee Crushed Stone Company, a Tennessee corporation 100%(8)
Meridian Aggregates Company, LP, a Delaware limited partnership 98%(9)
Meridian Aggregates Investments, LLC, a Delaware limited liability company 28.23%
Mid-State Construction & Materials, Inc., an Arkansas corporation 100%(10)
Midway Holding Company, LLC, a Delaware limited liability company 14.5%(11)
OK Sand & Gravel, LLC, a Delaware limited liability company 99%(12)
R&S Sand & Gravel, LLC, a Delaware limited liability company 99%(13)
Redland Development Company, a Texas corporation 100%(14)
Redland Park Development Limited Partnership, a Texas limited partnership 100%(15)
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(6) Martin Marietta Materials de Mexico, S.A. de C.V. is owned by Martin
Marietta Magnesia Specialties Inc. (99%) and Martin Marietta Materials,
Inc. (1%).
(7) Martin Marietta Materials Southwest, Ltd. is owned 2% by Southwest I,
LLC and 98% by Southwest II, LLC.
(8) Menefee Crushed Stone Company is a wholly-owned subsidiary of Martin
Marietta Materials of Tennessee.
(9) Meridian Aggregates Company, LP is owned 98% by Meridian Aggregates
Investments, LLC. The remaining 2% is owned by members of management of
Meridian Aggregates Company, LP.
(10) Mid-State Construction & Materials, Inc. is a wholly-owned subsidiary
of Martin Marietta Materials of Arkansas, Inc.
(11) Midway Holding Company, LLC is owned 14.5% directly by Martin Marietta
Materials and 28.23% indirectly through Meridian Aggregates Investments,
LLC.
(12) Martin Marietta Materials, Inc. is the manager of and owns a 99%
interest in OK Sand & Gravel, LLC.
(13) Martin Marietta Materials, Inc. is the manager of and owns a 99%
interest in R&S Sand & Gravel, LLC.
(14) Redland Development Company is a wholly-owned subsidiary of Martin
Marietta Materials Southwest, Ltd.
(15) Redland Park Development Limited Partnership is owned 100% by Martin
Marietta Materials Southwest, Ltd. directly and through its
subsidiaries.
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3
Redland Stone Development Company, a Texas corporation 100%(16)
Southwest I, LLC, a Delaware limited liability company 100%
Southwest II, LLC, a Delaware limited liability company 100%
Superior Stone Company, a North Carolina corporation 100%
Theodore Holding, LLC, a Delaware limited liability company 60.7%(17)
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16 Redland Stone Development Company is a wholly-owned subsidiary of
Martin Marietta Materials Southwest, Ltd.
17 Superior Stone Company, a wholly-owned subsidiary of the Company, is
the manager of and owns a 60.7% interest in Theodore Holding, LLC.
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