| Business | Phone |
| A Recska Landscaping Ltd 34 Crestwood Rd, Thornhill L4J 1A5 | (905) 889-0630 |
| Aaa Garden Hill Landscaping 22 Harlech Crt, Thornhill L3T 6L5 | (905) 709-9003 |
| Harada Landscaping Ltd 62 Crestwood Rd, Thornhill L4J 1A5 | (905) 881-3852 |
| Iberia Landscape Ltd 21 Essex Ave, Thornhill L3T 3Z2 | (905) 886-0598 |
| Infinite Possibilities Inc 185 North Meadow Cres, Thornhill L4J 3C4 | (905) 881-9559 |
| Liria Gardening & Snow Removal 24 Swinton Cres, Thornhill L4J 2X1 | (905) 761-9241 |
| Luigi Carlingi Landscaping 151 Crestwood Rd, Thornhill L4J 1A7 | (905) 886-6449 |
| Miyako Landscaping Ltd 14 Arnold Ave, Thornhill L4J 1B1 | (905) 479-5423 |
| Tadier & Smyth Landscaping Ltd 390 Steeles Ave W, Thornhill L4J 6X2 | (905) 889-1813 |
| Trillium Associates Landscape 21 Cricklewood Cres, Thornhill L3T 4T8 | (905) 707-9914 |
| Tuckey, R J 114 Clark Ave, Thornhill L3T 1S9 | (905) 889-3695 |
| Urban Alternatives-Landscape 52 Arnold Ave, Thornhill L4J 1B3 | (905) 886-9303 |
| Walter's Landscape Contractors 10 Ruggles Ave, Thornhill L3T 3S5 | (905) 889-2691 |
| Willand Landscaping & Grounds 5 Harlech Crt, Thornhill L3T 6L5 | (905) 882-6182 |
| Winkler Landscaping Ltd 42 Guardsman Rd, Thornhill L3T 6L4 | (905) 764-7567 |
| Elendale Landscaping Ltd 77 Sixteenth, Thornhill | (905) 709-0914 |
| Dodaro Landscaping Svc 445 Edgeley Blvd, Thornhill | (905) 761-1065 |
| Don Valley Landscaping 180 King High Dr, Thornhill L4J 3N5 | (905) 731-8477 |
| Forest Hill Sod 32 Innisbrook Cres, Thornhill L3T 5B1 | (905) 881-1286 |