Mines and quarries in Windham County, CT
19 mines not abandoned in Windham County, CT, in the MSHA file of October 2, 2026.
| Mine | Mine ID | Industry group | Status since |
|---|---|---|---|
| 81 IPR 81 IPR LLC | 0600841 | Sand and gravel | May 22, 2025 |
| Arnio Mine Nu Stone Mfg & Dist LLC | 0600728 | Stone | May 24, 2016 |
| Barnes Concrete Co Inc Barnes Concrete Company Inc | 0600613 | Sand and gravel | Jun 22, 2022 |
| Danielson Pit & Mill Ernest Joly & Sons Inc | 0600225 | Sand and gravel | Nov 1, 1994 |
| French River Materials French River Materials of Thompson, LLC | 0600760 | Stone | Nov 14, 2012 |
| HAIN MATERIALS CORP | 0600411 | Sand and gravel | Mar 23, 2023 |
| K & H Construction Mine K & H Construction LLC | 0600828 | Stone | Mar 23, 2022 |
| Miller Brothers Miller Bros Sand & Gravel | 0600744 | Sand and gravel | Jul 8, 2020 |
| Oneco Gravel LLC | 0600840 | Sand and gravel | Oct 11, 2023 |
| PLANT 1 Rawson Materials | 0600249 | Sand and gravel | Mar 9, 2012 |
| PLANT 2 Rawson Materials | 0600596 | Stone | Oct 28, 2009 |
| PLANT 4 - PLAINFIELD Rawson Materials | 0600690 | Sand and gravel | Jun 2, 2022 |
| Portable Division Kobyluck Enterprises Inc | 0600670 | Stone | Jan 9, 2024 |
| RAWSON MATERIALS - PLANT 5 Rawson Materials | 0600658 | Sand and gravel | Mar 23, 2023 |
| Rawson Plant #3 Rawson Materials | 0600656 | Sand and gravel | Jan 28, 2026 |
| SAMMY P Inc | 0600823 | Sand and gravel | Oct 29, 2021 |
| Sansoucy Quarries Inc. | 0600731 | Stone | Apr 18, 2006 |
| Waskiewicz Pit & Plant Ed's Garage Inc | 0600446 | Sand and gravel | Jun 17, 2024 |
| Windham Materials LLC | 0600400 | Sand and gravel | Sep 20, 2001 |
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.