Cement industry in the United States - Wikipedia
In 2017, the top producers of portland cement in the US were: [2] 1 - Holcim (now LafargeHolcim) 2 - CEMEX 3 - Lehigh Hanson Inc. 4 - Buzzi Unicem 5 - Ash Grove Cement Company (to be acquired by CRH plc in early 2018) 6 - Argos USA Corp. 7 - Eagle Minerals Inc. 8 - CalPortland Co. 9 - Martin Marietta Materials, Inc. 10 - GCC of America, Inc.
