EX-21.01 9 g69618ex21-01.txt LIST OF SUBSIDIARIES 1 EXHIBIT 21.01 SUBSIDIARIES OF MARTIN MARIETTA MATERIALS, INC.
NAME OF SUBSIDIARY PERCENT OWNED ------------------ ------------- 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% Granite Canyon JV, a Wyoming Joint Venture 51%(6) Harding Street Corporation, a Delaware corporation 100% MAC Acquisitions, Inc., a Delaware corporation 100% MAC Overseas, Inc., a Delaware corporation 100%(7) Martin Marietta Aggregates of Iowa, Inc., an Iowa corporation 100%
--------- (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. (6) Meridian Granite Company, an indirect wholly-owned subsidiary of the Company, owns a 51% interest in Granite Canyon JV. (7) MAC Overseas, Inc. is a wholly-owned subsidiary of MAC Acquisitions, Inc. 2 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% 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 of Missouri, Inc., a Delaware corporation 100% Martin Marietta Materials Southwest, Ltd., a Texas limited partnership 100%(8) 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%(9) Meridian Aggregates Company, LP, a Delaware limited partnership 98%(10) Meridian Aggregates Investments, LLC, a Delaware limited liability company 100%(11) Meridian Granite Company, a Delaware corporation 100%(12) Meridian Materials Company, a Delaware corporation 100%(13) Mid-State Construction & Materials, Inc., an Arkansas corporation 100%(14) Midway Holding Company, LLC, a Delaware limited liability company 100% OK Sand & Gravel, LLC, a Delaware limited liability company 99%(15) Quarry, Inc., a Texas corporation 100%
--------- (8) Martin Marietta Materials Southwest, Ltd. is owned 2% by Southwest I, LLC and 98% by Southwest II, LLC. (9) Menefee Crushed Stone Company is a wholly-owned subsidiary of Martin Marietta Materials of Tennessee. (10) Meridian Aggregates Company, LP is owned 98% by Meridian Aggregates Investments, LLC. The remaining 2% is owned by Martin Marietta Materials, Inc. (11) Meridian Aggregates Investments, LLC is owned 88.7% by Martin Marietta Materials, Inc. and 11.3% by MAC Oveseas, Inc. (12) Meridian Granite Company is a wholly-owned subsidiary of Meridian Aggregates Company, LP (13) Meridian Materials Company is a wholly-owned subsidiary of Meridian Aggregates Company, LP (14) Mid-State Construction & Materials, Inc. is a wholly-owned subsidiary of Martin Marietta Materials of Arkansas, Inc. (15) Martin Marietta Materials, Inc. is the manager of and owns a 99% interest in OK Sand & Gravel, LLC. 3 R&S Sand & Gravel, LLC, a Delaware limited liability company 99%(16) Rebco Trucking Company, Inc., a Louisiana corporation 100%(17) Rebel Sand & Gravel Company, Inc., a Louisiana corporation 100%(18) Redland Development Company, a Texas corporation 100%(19) Redland Park Development Limited Partnership, a Texas limited partnership 100%(20) Redland Stone Development Company, a Texas corporation 100%(21) Red River Leasing Corp., a Delaware corporation 100%(22) Red River Trucking Company, a Delaware corporation 100%(23) 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%(24) Valley Stone LLC, a Virginia limited liability company 50%(25)
-------- (16) Martin Marietta Materials, Inc. is the manager of and owns a 99% interest in R&S Sand & Gravel, Inc. (17) Rebco Trucking Company, Inc. is a wholly-owned subsidiary of Meridian Aggregates Company, LP. (18) Rebel Sand & Gravel Company, Inc. is a wholly-owned subsidiary of Meridian Aggregates Company, LP. (19) Redland Development Company is a wholly-owned subsidiary of Martin Marietta Materials Southwest, Ltd. (20) Redland Park Development Limited Partnership is owned 100% by Martin Marietta Materials Southwest, Ltd. directly and through its subsidiaries. (21) Redland Stone Development Company is a wholly-owned subsidiary of Martin Marietta Materials Southwest, Ltd. (22) Red River Leasing Corp. is a wholly-owned subsidiary of Meridian Aggregates Company, LP. (23) Red River Trucking Company is a wholly-owned subsidiary of Meridian Aggregates Company, LP. (24) Superior Stone Company, a wholly-owned subsidiary of the Company, is the manager of and owns a 60.7% interest in Theodore Holding, LLC. (25) Martin Marietta Materials, Inc. is the manager of and owns a 50% interest in Valley Stone LLC.