These are a list of 8 mines in San Lorenzo.
| Name | Nearest Town | Type | More |
|---|---|---|---|
| Arenero Rafael Colon Inc | San Lorenzo Humacao PR | Construction Sand and Gravel | View Details > |
| ARENERO SAN LORENZO | Vega Baja PR | Construction Sand and Gravel | View Details > |
| Gravero de San Lorenzo, LLC | San Lorenzo Guayama PR | Sand, Common | View Details > |
| Gravero de San Lorenzo, LLC | San Lorenzo Humacao PR | Construction Sand and Gravel | View Details > |
| Industrias Areneras B & M | San Lorenzo Guayama PR | Construction Sand and Gravel | View Details > |
| Nunez Aggregates | San Lorenzo Humacao PR | Sand, Common | View Details > |
| San Lorenzo Mine, Inc. | Morovis Manati PR | Construction Sand and Gravel | View Details > |
| SAN LORENZO SAND & GRAVEL COMPANY | San Lorenzo Guayama PR | Construction Sand and Gravel | View Details > |