These are a list of 125 mines in Middlesex.
| Name | Nearest Town | Type | More |
|---|---|---|---|
| Rich Pit | Middlesex MA | Construction Sand and Gravel | View Details > |
| ROWE CONTRACTING CO. | Malden Middlesex MA | Crushed, Broken Stone NEC | View Details > |
| Seven Oaks Pit | Middlesex MA | Construction Sand and Gravel | View Details > |
| South Plainfield Mill | ? Middlesex NJ | Talc | View Details > |
| South River Sand Company | ? Middlesex NJ | Construction Sand and Gravel | View Details > |
| Stonebridge Pit | Middlesex MA | Construction Sand and Gravel | View Details > |
| Stove Street Pit | Middlesex CT | Construction Sand and Gravel | View Details > |
| Stow Pit | Middlesex MA | Construction Sand and Gravel | View Details > |
| Swan Road Pit | ? Middlesex MA | Construction Sand and Gravel | View Details > |
| Testa Corp | Saugus Middlesex MA | Crushed, Broken Stone NEC | View Details > |
| The Black Pit | Middlesex MA | Construction Sand and Gravel | View Details > |
| The Schundler Company | ? Middlesex NJ | Perlite | View Details > |
| Town Of Chelmsford Pit | ? Middlesex MA | Construction Sand and Gravel | View Details > |
| Townsend Pit | ? Middlesex MA | Construction Sand and Gravel | View Details > |
| TYNG/WEST | WESTFORD Middlesex MA | Crushed, Broken Stone NEC | View Details > |
| Westford Pit | ? Middlesex MA | Construction Sand and Gravel | View Details > |
| Westford Pit And Mill | Middlesex MA | Construction Sand and Gravel | View Details > |
| Westford Quarry | WESTFORD Middlesex MA | Crushed, Broken Granite | View Details > |
| Weston Mine & Mill | ? Middlesex MA | Crushed, Broken Stone NEC | View Details > |
| Whittemore Perlite Company Incorporated | ? Middlesex MA | Perlite | View Details > |
| Willow Pit | Middlesex MA | Construction Sand and Gravel | View Details > |
| Wilmington Plant | Middlesex MA | Crushed, Broken Stone NEC | View Details > |
| Wilmington Plant | ? Middlesex MA | Crushed, Broken Traprock | View Details > |
| Wilton Pit | BILLERICA Middlesex MA | Construction Sand and Gravel | View Details > |
| Yard No 2 Pit And Mill | ? Middlesex CT | Fire Clay | View Details > |