| John W. Karch Quarry | 7.0 mi | Stone, Crushed/Broken | Surface | Producer |
| John W. Karch Quarry | 7.0 mi | Limestone, General | — | Past Producer |
| Celina Quarry | 7.3 mi | Crushed, Broken Limestone NEC | Surface | Intermittent |
| Bandwie Pit | 11.2 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Bandwie Pit | 11.7 mi | Sand and Gravel, Construction | — | Past Producer |
| Fleckenstein Pit | 13.2 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Fleckenstein Pit | 13.4 mi | Sand and Gravel, Construction | — | Past Producer |
| United Dredging Y102 | 13.7 mi | Construction Sand and Gravel | Surface | Active |
| Con-Ag, Inc. | 14.0 mi | Stone, Crushed/Broken | Surface | Producer |
| Habig Trucking and Excavating | 15.2 mi | Sand and Gravel, Construction | Surface | Producer |
| Con-Ag Inc | 16.0 mi | Crushed, Broken Limestone NEC | Surface | Abandoned |
| Weber Materials, Ltd | 16.0 mi | Crushed, Broken Limestone NEC | Surface | Active |
| Karch Stone Quarry | 16.7 mi | Stone, Crushed/Broken | Surface | Producer |
| Walls Materials Plant 1 | 18.6 mi | Crushed, Broken Limestone NEC | Surface | Abandoned |
| Rockford Stone Quarry | 19.0 mi | Limestone, General | — | Past Producer |
| Rockford Stone Quarry | 19.0 mi | Stone, Crushed/Broken | Surface | Producer |
| Ernst Gravel Co. Plant & Pit | 20.2 mi | Sand and Gravel, Construction | Surface | Plant |
| Ernest Sand and Gravel Pit | 20.3 mi | Sand and Gravel, Construction | — | Past Producer |
| Sandkuhl Tiie Clay Pit | 20.6 mi | Clay | — | Past Producer |
| Sandkuhl Tile Co Pit | 20.6 mi | Clay | Surface | Producer |
| Portland Quarry | 21.2 mi | Stone, Crushed/Broken | Surface | Producer |
| Us Aggregates-Portland Quarry | 21.8 mi | Crushed, Broken Limestone NEC | Surface | Active |
| Buckland Quarry | 21.9 mi | Limestone, General | — | Past Producer |
| Buckland Plant & Quarry | 22.1 mi | Stone, Crushed/Broken | Surface | Plant |
| Buckland Plant | 22.1 mi | Crushed, Broken Limestone NEC | Surface | Intermittent |
| Norelock Pit | 22.5 mi | Sand and Gravel, Construction | — | Past Producer |
| Morelock Pit | 22.5 mi | Sand and Gravel, Construction | Surface | Producer |
| Fourmans Gravel Pit | 22.7 mi | Sand and Gravel, Construction | Surface | Producer |
| Hardin Sand and Gravel | 23.0 mi | Construction Sand and Gravel | Surface | Active |
| Wise Gravel Pit | 23.1 mi | Sand and Gravel, Construction | — | Past Producer |
| Feitshans Pit | 23.2 mi | Sand and Gravel, Construction | Surface | Producer |
| Feitshans Pit | 23.2 mi | Sand and Gravel, Construction | — | Past Producer |
| Darke County Pit | 23.6 mi | Clay | — | Past Producer |
| Darke County Pit | 23.6 mi | Clay | Surface | Producer |
| Adams City Highway Dept. | 23.6 mi | Stone | Surface | Producer |
| Washington Township Pit | 23.7 mi | Sand and Gravel, Construction | — | Past Producer |
| Washington Township Pit | 23.7 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Pleasant Mills Quarry | 23.8 mi | Stone, Crushed/Broken | Surface | Producer |
| Us Aggregates-Ridgeville Quarry | 23.9 mi | Crushed, Broken Limestone NEC | Surface | Active |
| H&r Stone Corp Limestone Quarry | 24.0 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Us Aggregates-Pleasant Mills Quarry | 24.0 mi | Crushed, Broken Limestone NEC | Surface | Active |
| Ridgeville, Meshberger Bros. S | 24.1 mi | Stone, Crushed/Broken | Surface | Producer |
| Wise Gravel Pit | 24.2 mi | Sand and Gravel, Construction | Surface | Producer |
| Pence Quarry | 24.4 mi | Sand and Gravel, Construction | Surface | Producer |
| Poeppelman Quarry | 24.7 mi | Stone, Crushed/Broken, Sand and Gravel, Construction | Surface | Producer |
| C F Poeppelman Inc | 24.8 mi | Crushed, Broken Limestone NEC | Surface | Active |