U.S. Geological Survey’s Directory of Principal Construction Aggregate Producers lists these leading operators: CompanyActive sitesNumber of states Vulcan
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U.S. Geological Survey’s Directory of Principal Construction Aggregate Producers lists these leading operators:
| Company | Active sites | Number of states |
|---|---|---|
| Vulcan Materials | 278 | 23 |
| Martin Marietta Materials | 203 | 26 |
| Oldcastle Materials | 355 | 41 |
| Lehigh Hanson | 189 | 19 |
| Cemex USA | 126 | 20 |
| Lafarge NA | 92 | 18 |
| Holcim (US) | 104 | 22 |
| Rogers Group | 58 | 5 |
| MDU Resources | 105 | 11 |
| Carmeuse Lime | 22 | 7 |
Rock Products and USGS peg 2008 aggregates production at 2.48 billion metric tons valued at $21.2 billion, representing output of 5,400 companies and 10,000-plus sites.