This map is generated from AggFlow use over the last few years. When users check online for updates, we record the request. The map shows the location as provided by the user during their record creation. If users were not online or behind corporate firewalls during program use, we would not have them on this map.

Top 25 US Producers Use AggFlow

1. Vulcan Materials Co.
2. Martin Marietta Aggregates
3. Oldcastle Materials, Inc.
4. Lehigh Hanson, Inc.
5. Cemex S.A.B. de C.V.
6. Lafarge North America, Inc.
7. Carmeuse Lime & Stone
8. Rogers Group, Inc.
9. Holcim Group/Aggregate Industries Management, Inc.
10. Lhoist North America
11. New Enterprise Stone & Lime Co., Inc.
12. Luck Stone Corp.
13. Ash Grove Cement Co.
14. Summit Materials, LLC.
15. Dolese Bros. Co.
16. National Lime & Stone Co.
17. Vecellio & Grogan, Inc.
18. Texas Industries, Inc. (became part of Martin Marietta, July 2014)
19. Buzzi Unicem USA Inc.
20. Eucon Corp.
21. Eagle Materials Inc.
22. Graymont Ltd.
23. The H&K Group
24. Mulzer Crushed Stone, Inc.
25. Texas Crushed Stone Co., Inc.

Top 25 info based on our records and Aggregates Manager article (June 4, 2015)