Highest Risk Employers
Top 50 ranked by OSHA enforcement history
| # | Company | Risk | Violations |
|---|---|---|---|
| 1 | MRC ROCK & SAND, LLC Other Crushed and Broken Stone Mining and Quarrying | DElevated47 | 3 |
| 2 | SANTA PAULA MATERIALS, INC. Other Crushed and Broken Stone Mining and Quarrying | DElevated46 | 8 |
| 3 | FOOTHILL MATERIALS, INC. Other Crushed and Broken Stone Mining and Quarrying | CAverage42 | 2 |
| 4 | PORTOLA MINERALS COMPANY Other Crushed and Broken Stone Mining and Quarrying | CAverage42 | 8 |
| 5 | NORTH VALLEY ROCK LLC Other Crushed and Broken Stone Mining and Quarrying | CAverage34 | 4 |
| 6 | GRANITE ROCK COMPANY Other Crushed and Broken Stone Mining and Quarrying | CAverage34 | 11 |
| 7 | CHILI BAR LLC Other Crushed and Broken Stone Mining and Quarrying | CAverage33 | 5 |
| 8 | DARIUSH HOSSEINI Other Crushed and Broken Stone Mining and Quarrying | CAverage33 | 6 |
| 9 | F.W. AGGREGATES INC. Other Crushed and Broken Stone Mining and Quarrying | CAverage33 | 1 |
| 10 | MERCER FRASER COMPANY Other Crushed and Broken Stone Mining and Quarrying | CAverage32 | 6 |
| 11 | PETER BAKER & SON CO. Other Crushed and Broken Stone Mining and Quarrying | BBelow average29 | 3 |
| 12 | COPELAND QUARRY, INC. Other Crushed and Broken Stone Mining and Quarrying | BBelow average26 | 3 |
| 13 | ESPINOZA STONE, INC. Other Crushed and Broken Stone Mining and Quarrying | BBelow average23 | 1 |
| 14 | CORNERSTONE CRUSHING, LLC Other Crushed and Broken Stone Mining and Quarrying | BBelow average22 | 3 |
| 15 | CANYON ROCK CO., INC. Other Crushed and Broken Stone Mining and Quarrying | BBelow average22 | 3 |
| 16 | A TEICHERT & SON, INC. Other Crushed and Broken Stone Mining and Quarrying | BBelow average18 | 2 |
| 17 | CUSTOM CRUSHING INDUSTRIES INC. Other Crushed and Broken Stone Mining and Quarrying | BBelow average17 | 2 |
| 18 | CALMAT CO Other Crushed and Broken Stone Mining and Quarrying | BBelow average17 | 1 |
| 19 | GEORGE REED, INC. Other Crushed and Broken Stone Mining and Quarrying | BBelow average17 | 2 |
| 20 | BRUBAKER-MANN, INC. Other Crushed and Broken Stone Mining and Quarrying | BBelow average17 | 1 |
| 21 | RECYCLED BASE MATERIALS, INC. Other Crushed and Broken Stone Mining and Quarrying | BBelow average17 | 2 |
| 22 | TAPRAQ ROCK LLC Other Crushed and Broken Stone Mining and Quarrying | BBelow average12 | 1 |
| 23 | SAN BENITO SUPPLY Other Crushed and Broken Stone Mining and Quarrying | BBelow average10 | 3 |
| 24 | CALMAT CO. Other Crushed and Broken Stone Mining and Quarrying | ALow risk9 | 0 |
| 25 | THE DUTRA GROUP Other Crushed and Broken Stone Mining and Quarrying | ALow risk9 | 1 |
| 26 | BUTTE EQUIPMENT RENTALS, INC Other Crushed and Broken Stone Mining and Quarrying | ALow risk9 | 0 |
| 27 | HORSE SHOE A MINING, INC. Other Crushed and Broken Stone Mining and Quarrying | ALow risk9 | 0 |
| 28 | J.F. SHEA CONSTRUCTION, INC. Other Crushed and Broken Stone Mining and Quarrying | ALow risk9 | 2 |
| 29 | TRIANGLE ROCK PRODUCTS, LLC Other Crushed and Broken Stone Mining and Quarrying | ALow risk9 | 0 |
| 30 | UNITED STATES GYPSUM COMPANY Other Crushed and Broken Stone Mining and Quarrying | ALow risk9 | 2 |
| 31 | SPECIALTY GRANULES LLC Other Crushed and Broken Stone Mining and Quarrying | ALow risk9 | 10 |
| 32 | BANGOR AGGREGATES LLC Other Crushed and Broken Stone Mining and Quarrying | ALow risk9 | 0 |
| 33 | STIMPEL-WIEBELHAUS ASSOCIATES, INC. Other Crushed and Broken Stone Mining and Quarrying | ALow risk9 | 1 |
| 34 | STEVENS CREEK QUARRY Other Crushed and Broken Stone Mining and Quarrying | ALow risk9 | 0 |
| 35 | HANSON AGGREGATES MID-PACIFIC, INC. Other Crushed and Broken Stone Mining and Quarrying | ALow risk9 | 2 |
| 36 | GREENSTONE MATERIALS, INC. Other Crushed and Broken Stone Mining and Quarrying | ALow risk8 | 2 |
| 37 | SIERRA ROCK LLC Other Crushed and Broken Stone Mining and Quarrying | ALow risk8 | 4 |
| 38 | GAIL MATERIALS, INC. Other Crushed and Broken Stone Mining and Quarrying | ALow risk8 | 2 |
| 39 | BO DEAN CO., INC. Other Crushed and Broken Stone Mining and Quarrying | ALow risk8 | 3 |
| 40 | CLEARLAKE LAVA, INC. Other Crushed and Broken Stone Mining and Quarrying | ALow risk8 | 1 |
| 41 | NUN'S CANYON ROCK LLC Other Crushed and Broken Stone Mining and Quarrying | ALow risk8 | 2 |
| 42 | PACIFIC ROCK, INC. Other Crushed and Broken Stone Mining and Quarrying | ALow risk8 | 2 |
| 43 | PAPICH CONSTRUCTION COMPANY, INC. Other Crushed and Broken Stone Mining and Quarrying | ALow risk8 | 1 |
| 44 | CPM DEVELOPMENT CORP. Other Crushed and Broken Stone Mining and Quarrying | ALow risk8 | 1 |
| 45 | A. TEICHERT & SON, INC. Other Crushed and Broken Stone Mining and Quarrying | ALow risk0 | 0 |
| 46 | VULCAN MATERIALS COMPANY Other Crushed and Broken Stone Mining and Quarrying | ALow risk0 | 0 |
| 47 | DAVID CRYE GENERAL ENGINEERING CONTRACTOR, INC. Other Crushed and Broken Stone Mining and Quarrying | ALow risk0 | 0 |
| 48 | POTTSTOWN TRAP ROCK QUARRIES, INC. Other Crushed and Broken Stone Mining and Quarrying | ALow risk0 | 0 |
| 49 | SIERRA CASCADE AGGREGATE Other Crushed and Broken Stone Mining and Quarrying | ALow risk0 | 0 |
| 50 | NATIONAL LIME & STONE CO BUCYRUS OHIO Other Crushed and Broken Stone Mining and Quarrying | ALow risk0 | 0 |
Data sourced from the US Department of Labor OSHA Enforcement Database, updated weekly.