EX-21.01 2 mlm-ex2101_9.htm EX-21.01

EXHIBIT 21.01

SUBSIDIARIES OF MARTIN MARIETTA MATERIALS, INC.

AS OF JANUARY 31, 2022

| Percent
Name of Subsidiary | 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 North Carolina corporation | 100%
American Materials Technologies, LLC, a Tennessee limited liability company | 100%3
American Stone Company, a North Carolina corporation | 50%4
Bahama Rock Limited, a Bahamas corporation | 100%
Bluegrass – Blue Mount, LLC, a North Carolina limited liability company | 100%5
Bluegrass Materials Company, LLC, a North Carolina limited liability company | 100%6
Bluegrass-St. Marys, LLC, a North Carolina limited liability company | 100%7
Brookhollow of Alexandria, Inc., a Louisiana corporation | 100%8
Brookhollow Corporation, a Delaware corporation | 100%9
Brook Hollow Properties, Inc., a Texas corporation | 100%10
Calaveras Materials, LLC, a California limited liability company | 100%11
California Natural Aggregates, Inc., a California corporation | 100%12

1 | Alamo Gulf Coast Railroad Company is owned by Martin Marietta Materials Southwest, LLC, (99.5%) and certain individuals (0.5%).

2 | Alamo North Texas Railroad Company is owned by Martin Marietta Materials Southwest, LLC, (99.5%) and certain individuals (0.5%).

3 | American Materials Technologies, LLC is a wholly owned subsidiary of Meridian Aggregates Company, a Limited Partnership.

4 | Martin Marietta Materials, Inc. owns a 50% interest in American Stone Company.

5 | Bluegrass – Blue Mount, LLC is a wholly owned subsidiary of Bluegrass Materials Company, LLC.

6 | Bluegrass Materials Company, LLC is a wholly owned subsidiary of Panadero Midco, LLC.

7 | Bluegrass-St. Marys, LLC is a wholly owned subsidiary of Bluegrass Materials Company, LLC.

8 | Brookhollow of Alexandria, Inc. is a wholly owned subsidiary of Brookhollow Corporation.

9 | Brookhollow Corporation is a wholly owned subsidiary of Texas Industries, Inc.

10 | Brook Hollow Properties, Inc. is a wholly owned subsidiary of Brookhollow Corporation.

11 | Calaveras Materials, LLC is a wholly owned subsidiary of Thunder Cement LLC

12 | California Natural Aggregates, Inc. is a wholly owned subsidiary of Texas Industries, Inc.

Campbell’s C-Ment Contracting, Inc., a Colorado corporation | 100%13
CIG MC LLC, a Colorado limited liability company | 100%
Creole Corporation, a Delaware corporation | 100%14
FRI Ready Mix of Tennessee, LLC, a Florida limited liability company | 100%15
Front Range Aggregates LLC, a Delaware limited liability company | 100%
Granite Canyon Quarry, a Wyoming joint venture | 100%16
Hanson Aggregates LLC, a Delaware limited liability company | 100%17
Hanson Aggregates Mid-Pacific, LLC, a Delaware limited liability company | 100%18
Hanson Aggregates Pacific Southwest LLC, a California limited liability company | 100%19
Hanson Marine Finance, LLC, a California limited liability company | 100%20
Hanson Marine Operations, LLC, a California limited liability company | 100%21
Harding Street Corporation, a North Carolina corporation | 100%
HSMM LLC, a North Carolina limited liability company | 100%
Kent Sand & Gravel Company, LLC, a North Carolina limited liability company | 100%22
Lehigh Cement West, LLC, a California limited liability company | 100%23
Mardell Trucking Company, Inc., a North Carolina corporation | 100%24
Martin Marietta Bluegrass, LLC, a North Carolina limited liability company | 100%25

13 | Campbell’s C-Ment Contracting, Inc. is a wholly-owned subsidiary of Suburban Acquisition Company.

14 | Creole Corporation is a wholly owned subsidiary of Texas Industries, Inc.

15 | FRI Ready Mix of Tennessee, LLC is a wholly owned subsidiary of American Materials Technologies, LLC.

16 | Granite Canyon Quarry is owned 51% by Meridian Granite Company and 49% by Martin Marietta Materials Real Estate Investments, Inc.

17 | Hanson Aggregates LLC is a wholly owned subsidiary of MMMW AGG, LLC.

18 | Hanson Aggregates Mid-Pacific, LLC is a wholly owned subsidiary of Hanson Aggregates LLC.

19 | Hanson Aggregates Pacific Southwest LLC is a wholly owned subsidiary of Hanson Aggregates LLC.

20 | Hanson Marine Finance, LLC is a wholly owned subsidiary of Hanson Aggregates Mid-Pacific, LLC.

21 | Hanson Marine Operations, LLC is a wholly owned subsidiary of Hanson Aggregates Mid-Pacific, LLC.

22 | Kent Sand & Gravel Company, LLC is a wholly owned subsidiary of Bluegrass Materials Company, LLC.

23 | Lehigh Cement West, LLC is a wholly owned subsidiary of Thunder Cement LLC.

24 | Mardell Trucking Company, Inc. is owned 50% by Bluegrass Materials Company, LLC and 50% by Petrillo Brothers, Inc.

25 | Martin Marietta Bluegrass, LLC is owned 61.62% by Panadero Corp. and 38.38% by Martin Marietta Materials, Inc.

Martin Marietta Composites, Inc., a Delaware corporation | 100%
Martin Marietta Fleet Management LLC, a North Carolina limited liability company | 100%26
Martin Marietta Funding LLC, a Delaware limited liability company | 100%
Martin Marietta Inc., a North Carolina corporation | 100%
Martin Marietta Kansas City, LLC, a Delaware limited liability company | 100%27
Martin Marietta Magnesia Specialties, LLC, a Delaware limited liability company | 100%
Martin Marietta Materials Canada Limited, a Nova Scotia, Canada corporation | 100%
Martin Marietta Materials of Missouri, Inc., a North Carolina corporation | 100%
Martin Marietta Materials Real Estate Investments, Inc., a North Carolina corporation | 100%
Martin Marietta Materials Southwest, LLC, a Texas limited liability company | 100%28
Martin Marietta Materials West Division, LLC, a North Carolina limited liability company | 100%
Martin Marietta Transportation and Distribution, LLC | 100%
Material Producers, Inc., an Oklahoma corporation | 100%29
Maryland Materials, Inc., a North Carolina corporation | 100%30
Meridian Aggregates Company, a Limited Partnership, a North Carolina limited partnership | 100%31
Meridian Aggregates Company Northwest, LLC, a North Carolina limited liability company | 100%
Meridian Aggregates Company Southwest, LLC, a North Carolina limited liability company | 100%32
Meridian Aggregates Investments, LLC, a North Carolina limited liability company | 100%33
Meridian Granite Company, a North Carolina corporation | 100%34
Mid-State Construction & Materials, Inc., an Arkansas corporation | 100%
Mission Valley Rock Co., LLC, a California limited liability company | 100%35
MMM Mexico I, LLC, a North Carolina limited liability company | 100%36
MMM Mexico, LLC, a North Carolina limited liability company | 100%37
MMMMW A&P, LLC, a North Carolina limited liability company | 100%38
MMMW AGG, LLC, a North Carolina limited liability company | 100%39
MMMW AZ RMX, LLC, a North Carolina limited liability company | 100%40
MMMW CMT, LLC, a North Carolina limited liability company | 100%41
MTD Pipeline LLC, a Delaware limited liability company | 50%42
North East Land and Material Company, Inc., a North Carolina corporation | 100%43
Panadero Corp., a North Carolina corporation | 100%
Panadero Midco, LLC, a North Carolina limited liability company | 100%44
Partin Limestone Products, Inc., a California corporation | 100%45
PCAz Leasing, LLC, an Arizona limited liability company | 100%46
Petrillo Brothers, Inc., a North Carolina corporation | 100%47
Piedras y Arenas Baja, S. de R.L. de C.V., a Mexican limited liability company | 100%48
Powderly Transportation, Inc., a North Carolina corporation | 100%49
R&S Sand & Gravel, LLC, a North Carolina limited liability company | 100%50
Ratliff Mix Management, LLC, a Texas limited liability company | 100%51
Ratliff Ready‑Mix, LP, a Texas limited partnership | 100%52
Riverside Cement Company, a California partnership | 100%53
Riverside Cement Holdings Company, a Delaware corporation | 100%54
Rock & Rail LLC, a Colorado limited liability company | 100%
Rocky Mountain Materials and Asphalt, Inc., a Colorado corporation | 100%
Rocky Mountain Premix, Inc., a Colorado corporation | 100%
Rocky Mountain Ready Mix Concrete, Inc., a Colorado corporation | 100%55
Royal Gorge Express, LLC, a Colorado Limited Liability Company | 50%56
South Valley Materials, LLC, a California limited liability company | 100%57
Southwestern Financial Corporation, a Texas Corporation | 100%58
St. Marys Sand Company, LLC, a North Carolina limited liability company | 100%59
Suburban Acquisition Company, a Colorado corporation | 100%
Texas Industries Holdings, LLC, a Delaware limited liability company | 100%60

26 | Martin Marietta Fleet Management LLC, is a wholly owned subsidiary of Martin Marietta Materials Southwest, LLC

27 | Martin Marietta Kansas City, LLC is owned 95% by Martin Marietta Materials, Inc. and 5% by Martin Marietta Materials of Missouri, Inc.

28 | Martin Marietta Materials Southwest, LLC is a wholly owned subsidiary of Texas Industries, Inc.

29 | Material Producers, Inc. is a wholly owned subsidiary of Martin Marietta Materials Southwest, LLC.

30 | Maryland Materials, Inc. is owned 50% by Bluegrass Materials Company, LLC and 50% by Petrillo Brothers, Inc.

31 | Meridian Aggregates Company, a Limited Partnership, is owned 98% by Meridian Aggregates Investments, LLC. The remaining 2% is owned by Martin Marietta Materials, Inc.

32 | Martin Marietta Materials Southwest, LLC is the sole member of Meridian Aggregates Company Southwest, LLC.

33 | Meridian Aggregates Investments, LLC is owned 99% by Martin Marietta Materials, Inc. and 1% by Martin Marietta Materials Real Estate Investments, Inc.

34 | Meridian Granite Company is a wholly owned subsidiary of Meridian Aggregates Company, a Limited Partnership.

35 | Mission Valley Rock Co., LLC is a wholly owned subsidiary of Hanson Aggregates Mid-Pacific, LLC.

36 | MMM Mexico I, LLC is a wholly owned subsidiary of Martin Marietta Materials West Division, LLC.

37 | MMM Mexico, LLC is a wholly owned subsidiary of Martin Marietta Materials West Division, LLC.

38 | MMMMW A&P, LLC is a wholly owned subsidiary of Martin Marietta Materials West Division, LLC.

39 | MMMW AGG, LLC is a wholly owned subsidiary of Martin Marietta Materials West Division, LLC.

40 | MMMW AZ RMX, LLC is a wholly owned subsidiary of Martin Marietta Materials West Division, LLC.

41 | MMMW CMT, LLC is a wholly owned subsidiary of Martin Marietta Materials West Division, LLC.

42 | Martin Marietta Magnesia Specialties, LLC, a wholly owned subsidiary of Martin Marietta Materials, Inc., owns a 50% interest in MTD Pipeline LLC.

43 | North East Land and Material Company, Inc. is a wholly owned subsidiary of Maryland Materials, Inc.

44 | Panadero Midco, LLC is a wholly owned subsidiary of Martin Marietta Bluegrass, LLC.

45 | Partin Limestone Products, Inc. is a wholly owned subsidiary of Riverside Cement Company.

46 | PCAz Leasing, LLC is a wholly owned subsidiary of Hanson Aggregates LLC.

47 | Petrillo Brothers, Inc. is a wholly owned subsidiary of Bluegrass Materials Company, LLC.

48 | Piedras y Arenas Baja, S. De R.L. de C.V. is owned 99.9999% by MMM Mexico, LLC and 0.0001% by MMM Mexico I, LLC.

49 | Powderly Transportation, Inc. is a wholly owned subsidiary of Meridian Aggregates Company, a Limited Partnership.

50 | Martin Marietta Materials, Inc. is the manager of and owns a 90% interest in R&S Sand & Gravel, LLC. The other 10% is owned by Harding Street Corporation, a wholly owned subsidiary of Martin Marietta Materials, Inc.

51 | Ratliff Mix Management, LLC is a wholly owned subsidiary of TXI Operations, LP.

52 | Ratliff Ready-Mix, LP is owned 99% by TXI Operations, LP and 1% by Ratliff Mix Management, LLC.

53 | Riverside Cement Company is owned 49% by TXI California, Inc. and 51% by TXI Riverside Inc.

54 | Riverside Cement Holdings Company is a wholly owned subsidiary of Riverside Cement Company.

55 | Rocky Mountain Ready Mix Concrete, Inc. is a wholly owned subsidiary of Campbell’s C-Ment Contracting, Inc.

56 | Rock & Rail LLC, a wholly owned subsidiary of Martin Marietta Materials, Inc., owns a 50% interest in Royal Gorge Express, LLC

57 | South Valley Materials, LLC is a wholly owned subsidiary of Thunder Cement LLC.

58 | Southwestern Financial Corporation is a wholly owned subsidiary of TXI Operations, LP.

59 | St. Marys Sand Company, LLC is a wholly owned subsidiary of Bluegrass-St. Marys, LLC.

60 | Texas Industries Holdings, LLC is a wholly owned subsidiary of Texas Industries, Inc.

Texas Industries, Inc., a Delaware corporation | 100%
Texas Industries Trust, a Delaware trust | 100%61
Theodore Holding, LLC, a Delaware limited liability company | 60.7%62
Thunder Cement LLC, a Delaware limited liability company | 100%63
Tiller Corporation, a North Carolina corporation | 100%
Two Rivers Cement LLC, a Delaware limited liability company | 50%64
TXI Aviation, Inc. dba TXI Retail, a Texas corporation | 100%65
TXI California, LLC, a Delaware limited liability company | 100%66
TXI Cement Company, a Delaware corporation | 100%67
TXI LLC, a Delaware limited liability company | 100%68
TXI Operating Trust, a Delaware trust | 100%69
TXI Operations, LP, a Delaware limited partnership | 100%70
TXI Power Company, a Texas corporation | 100%71
TXI Riverside, LLC, a Delaware limited liability company | 100%72
TXI Transportation Company, a Texas corporation | 100%73
Valley Stone LLC, a Virginia limited liability company | 50%74

61 | Texas Industries Trust is owned 100% by Texas Industries Holdings, LLC.

62 | Martin Marietta Materials, Inc. is the manager of and owns a 60.7% interest in Theodore Holdings, LLC.

63 | Thunder Cement LLC is a wholly owned subsidiary of MMMW CMT, LLC.

64 | MMMW CMT, LLC, a wholly owned subsidiary of Martin Marietta Materials, Inc., owns a 50% ownership interest in Two Rivers Cement LLC.

65 | TXI Aviation, Inc. is a wholly owned subsidiary of Texas Industries, Inc.

66 | TXI California, LLC is a wholly owned subsidiary of Texas Industries, Inc.

67 | TXI Cement Company is a wholly owned subsidiary of Texas Industries, Inc.

68 | TXI, LLC is a wholly owned subsidiary of Texas Industries, Inc.

69 | TXI Operating Trust is owned 100% by TXI LLC.

70 | TXI Operations, LP is owned 99% by Texas Industries Trust and owned 1% by TXI Operating Trust.

71 | TXI Power Company is a wholly owned subsidiary of Texas Industries, Inc.

72 | TXI Riverside, LLC is a wholly owned subsidiary of Texas Industries, Inc.

73 | TXI Transportation Company is a wholly owned subsidiary of Texas Industries, Inc.

74 | Martin Marietta Materials, Inc. is the manager of and owns a 50% interest in Valley Stone LLC.