| Business | Phone |
| Amsen Quarry Ltd 141 Quarry Rd, Wiarton N0H 2T0 | (519) 534-0422 |
| Arriscraft Corp Hope Bay, Wiarton N0H 2T0 | (519) 534-0442 |
| Georgian Bay Marble & Stone Oliphant Rd, Wiarton N0H 2T0 | (519) 534-3772 |
| Georgian Bay Marble & Stone 517 Brown St, Wiarton N0H 2T0 | (519) 534-3992 |
| Owen Sound Ledgerock Ltd Rr 3 Box 3476, Wiarton N0H 2T0 | (519) 534-0444 |
| Ebel Quarries 161 Old Oliphant Rd, Wiarton N0H 2T0 | (519) 534-0380 |