Nos. 75-51
75. Michels Corp. (previous ranking: 92nd)
74. Mathy Construction Co. (previous ranking: 78th)
73. Linwood Mining & Minerals Corp. (previous ranking: 39th)
72. Capitol Aggregates (previous ranking: 66th)
71. CSA Materials (previous ranking: 75th)
70. Bruening Rock Products (previous ranking: 61st)
69. Greer Industries (previous ranking: 70th)
68. Great Lakes Aggregates (previous ranking: 73rd)
67. The Vicat Group (previous ranking: 62nd)
66. Higgins Asphalt Paving Co. (previous ranking: unranked)
65. Glenn O. Hawbaker (previous ranking: 60th)
64. BMC Aggregates (previous ranking: unranked)
63. The DePaul Group (previous ranking: 55th)
62. Grupo Cementos de Chihuahua, S.A.B. de C.V. (previous ranking: 68th)
61. SGI (previous ranking: 72nd)
60. Youngquist Brothers Rock (previous ranking: 67th)
59. Peckham Industries (previous ranking: 90th)
58. Las Vegas Paving Corp. (previous ranking: 50th)
57. B.V. Hedrick Gravel & Sand Co. (previous ranking: 63rd)
56. Haydon Materials (previous ranking: 59th)
55. Salem Stone Corp. (previous ranking: 65th)
54. Albert Frei & Sons (previous ranking: 57th)
53. Graniterock Co. (previous ranking: 52nd)
52. United States Lime & Minerals (previous ranking: 58th)
51. Snyder Associated Cos. (previous ranking: 56th)
Two companies – Higgins Asphalt Paving Co. (No. 66) and BMC Aggregates (No. 64) – make the top 75 in 2021 after being unranked in 2020. The companies with the largest rises are No. 59 Peckham Industries (up 31 spots), No. 75 Michels Corp. (up 17 spots), No. 61 SGI (up 11 spots) and No. 55 Salem Stone Corp. (up 10 spots). Two producers fall out of the top 50 – Linwood Mining & Materials Corp. (down 34 spots to No. 73) and Las Vegas Paving Corp. (down eight spots to No. 58). No. 70 Bruening Rock Products and No. 63 The DePaul Group are other companies with notable drops, falling nine and eight spots, respectively.
