| Business | Phone |
| Abel Tree Expert Co Ltd 3970 Westdel Bourne, London N6P 1N3 | (519) 652-0927 |
| Middlesex Tree Svc Ltd 1438 Norman Pl, London N6K 2S7 | (519) 471-7171 |
| Norcon Tree Svc & Landscape 2716 Dingman Dr, London N6N 1G4 | (519) 680-2300 |
| Topping Tree Svc 651 Southdale Rd W, London N6P 1P6 | (519) 878-3324 |
| Tree Scape Tree Svc 46864 Crossley-Hunter Line, London | (519) 644-2525 |
| Brockley Tree Svc 2809 Dingman Dr, London N6N 1G3 | (519) 681-4666 |
| Davey Tree Expert Co Of Can 460 Third St, London N5W 4W6 | (519) 660-6271 |
| Duplan Tree Svc 1741 Gainsborough Rd, London N6H 5L2 | (519) 474-6001 |