| Business | Phone |
| A & W Landscaping 50 Dorchester Rd, Smithtown 11787 | (631) 863-1444 |
| All County Landscaping 61 Hilltop Dr, Smithtown 11787 | (631) 269-5500 |
| C M Landscape & Lawn Mntnc Inc 345 Forest Ln, Smithtown 11787 | (631) 724-1967 |
| Mazelis Landscape Contracting 258 Terry Rd, Smithtown 11787 | (631) 724-5425 |
| Mr Landscaper Of Suffolk 41 South Ave, Smithtown 11787 | (631) 265-8055 |
| Dunne In The Sun 57 Broadway, Smithtown 11787 | (631) 979-2371 |
| Executive Landscaping Corp Candlelight Ct, Smithtown 11787 | (631) 979-0756 |
| Flawless Masonary & Landscape Smithtown 11787 | (631) 366-3512 |
| Herbert Boccard Landscaping 35 Dale Ln, Smithtown 11787 | (631) 360-1955 |
| Island Garden Landscaping Croft Ln, Smithtown 11787 | (631) 543-6045 |
| J Hill Landscaping Inc 16 Villa Ln, Smithtown 11787 | (631) 361-9789 |
| Reliable Landscape & Masonary 189 Old Willets Path, Smithtown 11787 | (631) 366-6266 |
| Landview Landscapes Inc 20 Ridge Rd, Smithtown 11787 | (631) 360-2870 |
| T Minerva Landscaping 198 Juniper Ave, Smithtown 11787 | (631) 979-0564 |