| Business | Phone |
| Ace Plumbing 2 Maplewood Blvd #A, Cobourg K9A 4J3 | (905) 372-2727 |
| Gerald Davidson Plumbing & Htg 541 William St, Cobourg K9A 3A4 | (905) 372-5661 |
| K S Cooper Ltd 313 Division St, Cobourg K9A 3R4 | (905) 372-5479 |
| Miller Bros Rr 4 Stn Main, Cobourg K9A 4J7 | (905) 885-5944 |
| Barney Mills Plumbing Svc 2847 Garland Rd, Cobourg K9A 4J7 | (905) 885-7572 |
| Stadtke Plumbing Ltd Rr 4 Stn Main, Cobourg K9A 4J7 | (905) 342-2111 |
| Cash Plumbing 28 June St, Cobourg K9A 5M4 | (905) 377-8159 |