Nos. 51-75

75. Hi-Grade Materials Co. (previous ranking: unranked)
74. B.V. Hedrick Gravel & Sand Co. (previous ranking: 68th)
73. Cretex Companies (previous ranking: 82nd)
72. Mountain States Constructors (previous ranking: 36th)
71. Texas Aggregates (previous ranking: 73rd)
70. Resolve Aggregates (previous ranking: 74th)
69. Superstition Crushing (previous ranking: 87th)
68. Gateway Dredging & Contracting (previous ranking: 61st)
67. A & S Construction Co. (previous ranking: 64th)
66. Wright Materials (previous ranking: 78th)
65. Capitol Aggregates (previous ranking: 81st)
64. Ames Construction (previous ranking: 75th)
63. The Heritage Group (previous ranking: 66th)
62. Strata Corp. (previous ranking: 62nd)
61. Chaney Enterprises (previous ranking: 59th)
60. Memphis Stone & Gravel Co. (previous ranking: 50th)
59. Stewart Materials (previous ranking: 60th)
58. York Building Products (previous ranking: 52nd)
57. Croell Redi-Mix (previous ranking: unranked)
56. Dolese Bros Co. (previous ranking: 48th)
55. Burnco Rock Products (previous ranking: 56th)
54. Benevento Cos. (previous ranking: 69th)
53. GS Materials (previous ranking: 49th)
52. Quikrete Co. (previous ranking: 72nd)
51. Northern Improvement Co. (previous ranking: 65th)
Two previously unranked companies – Croell Redi-Mix (No. 57) and Hi-Grade Materials Co. (No. 75) – leap into this tier. The biggest riser in the group is Quikrete Co., which climbs 20 spots to the No. 51 position. Superstition Crushing (No. 69) is up 18 spots, and Capitol Aggregates (No. 65) gains 16 positions. Benevento Cos. (up 15 spots to No. 54), Northern Improvement Co. (up 14 spots to No. 51), Wright Materials (up 12 spots to No. 66) and Ames Construction (up 11 spots to No. 64) also make double-digit gains. Mountain States Constructors, meanwhile, experienced the biggest drop in the group, slipping 36 spots to rank at No. 72. Memphis Stone & Gravel Co. (down 10 spots to No. 60) and Dolese Bros Co. (down eight spots to No. 56) are among the other sand and gravel producers in this tier to lose ground.