Highest Risk Employers
Top 50 ranked by OSHA enforcement history
| # | Company | Risk | Violations |
|---|---|---|---|
| 1 | NATIONAL CEMENT COMPANY OF CALIFORNIA, INC. Crushed and Broken Limestone Mining and Quarrying | CAverage36 | 7 |
| 2 | U.S. LIME COMPANY Crushed and Broken Limestone Mining and Quarrying | CAverage32 | 3 |
| 3 | SMITHBRIDGE GUAM, INC. Crushed and Broken Limestone Mining and Quarrying | CAverage31 | 5 |
| 4 | CORE TECH INTERNATIONAL CORPORATION Crushed and Broken Limestone Mining and Quarrying | BBelow average27 | 4 |
| 5 | PRAIRIE SAND AND GRAVEL INC. Crushed and Broken Limestone Mining and Quarrying | BBelow average24 | 2 |
| 6 | SPECIALTY MINERALS INC. Crushed and Broken Limestone Mining and Quarrying | BBelow average20 | 9 |
| 7 | VULCAN MATERIALS COMPANY, INC. Crushed and Broken Limestone Mining and Quarrying | BBelow average10 | 0 |
| 8 | GRANITE CONSTRUCTION COMPANY Crushed and Broken Limestone Mining and Quarrying | ALow risk9 | 0 |
| 9 | OMYA, INC. Crushed and Broken Limestone Mining and Quarrying | ALow risk9 | 3 |
| 10 | MARTIN MARIETTA SOUTHERN CALIFORNIA CEMENT, LLC Crushed and Broken Limestone Mining and Quarrying | ALow risk9 | 5 |
| 11 | LYNX CAT MOUNTAIN QUARRY OPERATIONS LLC Crushed and Broken Limestone Mining and Quarrying | ALow risk8 | 2 |
| 12 | BLUE MOUNTAIN MINERALS Crushed and Broken Limestone Mining and Quarrying | ALow risk8 | 2 |
| 13 | MITSUBISHI CEMENT CORPORATION Crushed and Broken Limestone Mining and Quarrying | ALow risk8 | 1 |
| 14 | RIVERSIDE MILLING CO., INC. Crushed and Broken Limestone Mining and Quarrying | ALow risk0 | 1 |
| 15 | FOREVER SANDFILL & LIMESTONE, INC. Crushed and Broken Limestone Mining and Quarrying | ALow risk0 | 0 |
| 16 | BJOIN LIMESTONE, INC. Crushed and Broken Limestone Mining and Quarrying | ALow risk0 | 0 |
| 17 | LHOIST NORTH AMERICA/FRANKLIN INDUSTRIAL MINERALS Crushed and Broken Limestone Mining and Quarrying | ALow risk0 | 0 |
| 18 | EAGLE ROCK, INC. Crushed and Broken Limestone Mining and Quarrying | ALow risk0 | 0 |
| 19 | VULCAN MATERIALS Crushed and Broken Limestone Mining and Quarrying | ALow risk0 | 0 |
| 20 | PRAIRIE SAND AND GRAVEL, INC. Crushed and Broken Limestone Mining and Quarrying | ALow risk0 | 0 |
| 21 | GOLDEN STATE CRUSHING Crushed and Broken Limestone Mining and Quarrying | ALow risk0 | 0 |
| 22 | NEW ENTERPRISE STONE & LIME CO. INC. Crushed and Broken Limestone Mining and Quarrying | ALow risk0 | 0 |
| 23 | NATIONAL LIME & STONE QUARRY Crushed and Broken Limestone Mining and Quarrying | ALow risk0 | 0 |
| 24 | MARTIN MARIETTA - ALLSBORO QUARRY Crushed and Broken Limestone Mining and Quarrying | ALow risk0 | 0 |
| 25 | GREENVILLE GRAVEL COMPANY Crushed and Broken Limestone Mining and Quarrying | ALow risk0 | 0 |
| 26 | CUTTING EDGE AGGREGATES Crushed and Broken Limestone Mining and Quarrying | ALow risk0 | 0 |
Data sourced from the US Department of Labor OSHA Enforcement Database, updated weekly.