Checked
Mines in Puerto Rico
Mines reported to the Mine Safety and Health Administration
- Mines listed
- 54
- Active
- 51
- Employees
- 771
- Accidents reported in 2025
- 23
Mines are listed from MSHA's mine data, excluding mines recorded as abandoned. Accident counts are reports filed with MSHA for the calendar year, including injuries and illnesses at the mine, and are counts only. Operator names are shown only when they are companies or agencies.
Largest mines by employees
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| Mine | Type | Status | Employees | Accidents 2025 |
|---|---|---|---|---|
| Ponce Cement Plant | Metal/nonmetal, Facility | Active | 109 | 1 |
| Cantera Espinosa | Metal/nonmetal, Facility | Active | 50 | 0 |
| Weco | Metal/nonmetal, Surface | Active | 50 | 1 |
| Canarico Quarries | Metal/nonmetal, Surface | Active | 49 | 0 |
| Cantera Carraizo | Metal/nonmetal, Surface | Active | 40 | 2 |
| Cantera San Antonio | Metal/nonmetal, Surface | Active | 37 | 5 |
| Procan | Metal/nonmetal, Surface | Active | 35 | 0 |
| Cantera Vega Baja | Metal/nonmetal, Surface | Active | 31 | 0 |
| Quikrete | Metal/nonmetal, Surface | Active | 30 | 1 |
| Nuestra Senora del Carmen | Metal/nonmetal, Surface | Active | 22 | 1 |
| Oriental Sand and Gravel Inc | Metal/nonmetal, Surface | Active | 20 | 1 |
| Aggregate,Inc | Metal/nonmetal, Surface | Active | 15 | 0 |
| Gravero Carro | Metal/nonmetal, Surface | Active | 15 | 0 |
| Gravero H.p. | Metal/nonmetal, Surface | Active | 15 | 0 |
| Cantera H R /LAVADERO | Metal/nonmetal, Surface | Active | 14 | 0 |
| Cantera Mundo Real | Metal/nonmetal, Surface | Active | 14 | 1 |
| Planta Garrochales | Metal/nonmetal, Surface | Active | 13 | 0 |
| Productora de Agregados Isabela | Metal/nonmetal, Surface | Active | 12 | 1 |
| Rodriguez Aggregates, Corp. | Metal/nonmetal, Surface | Active | 12 | 2 |
| Cantera Dorado | Metal/nonmetal, Surface | Intermittent | 11 | 0 |
| Arenero Rafael Colon Inc | Metal/nonmetal, Surface | Active | 10 | 0 |
| Cantera La Montaña | Metal/nonmetal, Surface | Active | 10 | 0 |
| Montecielo Quarry LLC | Metal/nonmetal, Surface | Active | 9 | 1 |
| Puerto Rico Asphalt-Bayamon | Metal/nonmetal, Surface | Active | 8 | 1 |
| Cantera Roca Dura Inc | Metal/nonmetal, Surface | Active | 7 | 0 |
| Gravero Coto Laurel | Metal/nonmetal, Surface | Active | 7 | 0 |
| Gravero Rodriguez, Manati | Metal/nonmetal, Surface | Active | 7 | 0 |
| Logistic Aggregates LLC. | Metal/nonmetal, Surface | Active | 7 | 0 |
| Cantera Jimmy Ferrer | Metal/nonmetal, Surface | Active | 6 | 0 |
| Cantera San Sebastian | Metal/nonmetal, Surface | Active | 6 | 0 |
| Rodriguez Aggregates Isabela | Metal/nonmetal, Surface | Active | 6 | 0 |
| Arenas de Puerto Rico | Metal/nonmetal, Surface | Active | 5 | 2 |
| Arenero Estrella Inc | Metal/nonmetal, Surface | Active | 5 | 0 |
| Cantera El Pozo | Metal/nonmetal, Surface | Active | 5 | 0 |
| Cantera Robles | Metal/nonmetal, Surface | Active | 5 | 0 |
| Comercial La Pino Inc | Metal/nonmetal, Surface | Active | 5 | 0 |
| Hr # 2 | Metal/nonmetal, Surface | Active | 5 | 0 |
| Jennifer Mine | Metal/nonmetal, Surface | Active | 5 | 0 |
| Norvan General Contractor, Inc., Cantera | Metal/nonmetal, Surface | Active | 5 | 0 |
| Puerto Rico Asphalt, LLC | Metal/nonmetal, Surface | Active | 5 | 1 |
| Tosquero De Jesus | Metal/nonmetal, Surface | Active | 5 | 0 |
| Transporte Rodriguez Asfalto, Inc. | Metal/nonmetal, Surface | Active | 5 | 0 |
| Arenero Comerio | Metal/nonmetal, Surface | Active | 4 | 1 |
| Barreto Best Block | Metal/nonmetal, Surface | Active | 4 | 0 |
| Cantera Adjuntas | Metal/nonmetal, Surface | Active | 4 | 0 |
| MA Planta Aguadilla | Metal/nonmetal, Surface | Active | 4 | 1 |
| Productos de Agregados de Gurabo | Metal/nonmetal, Surface | Active | 4 | 0 |
| Alex D. Toucet Alonso | Metal/nonmetal, Surface | Active | 3 | 0 |
| Arenero Utuado | Metal/nonmetal, Surface | Active | 3 | 0 |
| Cantera Cordero | Metal/nonmetal, Surface | Intermittent | 3 | 0 |
| Gravero Rodriguez | Metal/nonmetal, Surface | Active | 3 | 0 |
| San Lorenzo Mine, Inc. | Metal/nonmetal, Surface | Active | 3 | 0 |
| Areneras De Yabucoa | Metal/nonmetal, Surface | Intermittent | 2 | 0 |
| Cantera Puerto Ven | Metal/nonmetal, Surface | Active | 2 | 0 |
Source: Mine Safety and Health Administration, Open Government Data