| Glandorf Tile Company Pit | 4.9 mi | Clay | — | Past Producer |
| Glandorf Tile Co Pit | 6.1 mi | Clay | Surface | Producer |
| Ottawa Plant | 10.3 mi | Crushed, Broken Limestone NEC | Surface | Active |
| Columbus Grove Sand and Gravel Pit | 11.0 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Columbus Grove Sand and Gravel Pit | 11.0 mi | Sand and Gravel, Construction | — | Past Producer |
| Putnam Stone Co. | 11.1 mi | Stone, Crushed/Broken | Surface | Producer |
| Putnam Quarry | 11.1 mi | Limestone, General | — | Past Producer |
| Rimer Quarry | 12.8 mi | Stone, Crushed/Broken | Surface | Past Producer |
| Rimer Quarry | 12.8 mi | Limestone, General | — | Past Producer |
| Rockport Sand & Gravel Co Pit | 12.8 mi | Sand and Gravel, Construction | Surface | Producer |
| Ottawa Stone Co Quarry | 12.8 mi | Stone, Crushed/Broken | Surface | Producer |
| Ottawa Stone Quarry | 12.8 mi | Limestone, General | — | Past Producer |
| Miller Brothers Clay Pit | 13.3 mi | Clay | — | Past Producer |
| Miller Brothers Clay Works | 13.3 mi | Clay | Surface | Plant |
| Auglaize Limestone Quarry | 14.7 mi | Limestone, General | — | Past Producer |
| Auglaize Plant | 15.7 mi | Stone, Crushed/Broken | Surface | Plant |
| Auglaize Plant | 15.7 mi | Crushed, Broken Limestone NEC | Surface | Intermittent |
| Rockport S&g Co. Pit | 15.9 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Baughman Clay Mine | 17.1 mi | Clay | — | Past Producer |
| Baughman Clay Mine | 17.1 mi | Clay | Surface | Past Producer |
| Indiana Briquetting/ Defiance, Ohio | 17.8 mi | Iron | Processing Plant | Unknown |
| Delphos Quarry | 18.5 mi | Stone, Crushed/Broken | Surface | Producer |
| Delphos Plant | 19.0 mi | Crushed, Broken Limestone NEC | Surface | Abandoned |
| Bluffton Stone Company Llc. | 19.1 mi | Crushed, Broken Limestone NEC | Surface | Active |
| Bluffton Stone Company Quarry | 19.1 mi | Limestone, General | — | Past Producer |
| Bluffton Stone Company | 19.1 mi | Stone, Crushed/Broken | Surface | Producer |
| Rimer Plant | 19.1 mi | Crushed, Broken Limestone NEC | Surface | Active |
| McCloskey R230 Screener | 20.5 mi | Lime | Facility | Temporarily Idled |
| Sulphur Sales Inc/ Middle Point, Oh | 20.6 mi | Sulfur | Processing Plant | Producer |
| Suever Stone Quarry | 21.4 mi | Limestone, General | — | Past Producer |
| Lima Quarry | 22.0 mi | Limestone, General | — | Past Producer |
| Western Ohio Stone Co. Quarry No. 2 | 22.1 mi | Stone, Crushed/Broken | Surface | Producer |
| Western Ohio Stone Co. Quarry No. 2 | 22.1 mi | Limestone, General | — | Past Producer |
| Haviland Clay Mine | 22.1 mi | Sand and Gravel, Construction | — | Past Producer |
| Haviland Clay Mine | 22.1 mi | Sand and Gravel, Construction | Surface | Past Producer |
| Suever Stone Quarry & Mill | 22.2 mi | Stone, Crushed/Broken | Surface | Plant |
| Western Ohio Stone Co. Quarry No. 1 | 22.2 mi | Limestone, General | — | Past Producer |
| Lima Plant | 22.3 mi | Crushed, Broken Limestone NEC | Surface | Active |
| Ridge Township Quarry & Mill | 22.3 mi | Stone, Crushed/Broken | Surface | Plant |
| Western Ohio Stone Co. Quarry No. 1 | 22.5 mi | Stone, Crushed/Broken | Surface | Producer |
| Lima Plant | 22.6 mi | Stone, Crushed/Broken | Surface | Plant |
| Napoleon Brick and Tile Pit | 22.6 mi | Clay | — | Past Producer |
| Napoleon Brick & Tile Works | 22.6 mi | Clay | Surface | Plant |
| Ridge Township Quarry and Mill | 22.6 mi | Crushed, Broken Limestone NEC | Surface | Active |
| Own Crews Quarry | 23.1 mi | Stone, Crushed/Broken | Surface | Producer |
| Paulding Stone Quarry | 23.4 mi | Stone, Crushed/Broken | Processing Plant | Plant |
| Custar Stone Quarry | 23.4 mi | Stone, Crushed/Broken | Surface | Producer |
| Pugh Quarry | 23.4 mi | Stone, Crushed/Broken | Surface | Producer |
| Custar Stone Company | 23.5 mi | Crushed, Broken Limestone NEC | Surface | Active |
| Amrize Paulding Plant | 23.9 mi | Cement | Facility | Active |
| General Portland Inc Peninsular Div | 24.2 mi | Clay, Stone, Crushed/Broken, Magnesite | Surface | Producer |
| Paulding Quarry | 24.2 mi | Limestone, General | — | Past Producer |
| Paulding Aggregates- Jaw # 311-Jc01 | 24.2 mi | Crushed, Broken Limestone NEC | Surface | Intermittent |
| Paulding Stone Quarry | 24.3 mi | Crushed, Broken Limestone NEC | Surface | Abandoned |