Mines and quarries in Hartford County, CT
12 mines not abandoned in Hartford County, CT, in the MSHA file of October 2, 2026.
| Mine | Mine ID | Industry group | Status since |
|---|---|---|---|
| ANDREW ANSALDI COMPANY | 0600536 | Sand and gravel | May 30, 2001 |
| BRICKYARD PIT AND MILL DUNNING INDUSTRIES INC | 0600221 | Sand and gravel | Nov 29, 2024 |
| GALASSO MATERIALS LLC | 0600020 | Stone | Mar 3, 2015 |
| GLASTONBURY Windham Materials, LLC | 0600851 | Stone | Mar 31, 2025 |
| Granby Notch Pit Tilcon Connecticut Inc | 0600251 | Sand and gravel | Jan 28, 1997 |
| New Britain Quarry Tilcon Connecticut Inc | 0600022 | Stone | Apr 6, 1994 |
| POWERSCREEN CHIEFTAIN 88.574023 Tilcon Connecticut Inc | 0600812 | Stone | Jun 5, 2023 |
| Powerscreen Chiefton 1700x Tilcon Connecticut | 0600856 | Stone | Mar 16, 2026 |
| POWERSCREEN WARRIOR 43.566616 TILCON Connecticut Inc | 0600810 | Sand and gravel | Jun 5, 2023 |
| RAMP ROAD PLANT CANTON VILLAGE CONSTRUCTION CO., INC. | 0600768 | Sand and gravel | Jul 10, 2026 |
| Tilcon Newington Quarry Tilcon Connecticut Inc. | 0600003 | Stone | Jul 10, 2026 |
| TOWER HILL GRANITE TOWER HILL GRANITE COMPANY INC | 0600664 | Stone | Nov 29, 2024 |
Alphabetical order — this site ranks no one. Mines that are not abandoned in the MSHA file of October 2, 2026. Sole proprietors are found by mine ID only. How to read this.