| Business | Phone |
| A P French Cleaners 49 Route 111, Smithtown 11787 | (631) 360-1850 |
| Aida's Dry Cleaner Inc 60 Terry Rd, Smithtown 11787 | (631) 366-3815 |
| Aldra Cleaners 1221 Route 25a, Smithtown 11787 | (631) 265-6713 |
| M C Smithtown Cleaners 385 Veterans Hwy, Smithtown 11787 | (631) 543-8446 |
| Branch Cleaners Inc 140 E Main St # A, Smithtown 11787 | (631) 979-6031 |
| Choice Cleaners 205 Terry Rd, Smithtown 11787 | (631) 265-9591 |
| Michele French Cleaners 65 Smithtown Blvd, Smithtown 11787 | (631) 265-9887 |
| Dandy Cleaners 268 W Main St, Smithtown 11787 | (631) 724-5487 |
| Gospel Terry Road Cleaners 337 Terry Rd, Smithtown 11787 | (631) 979-6665 |
| Plaza Cleaners 16 Lawrence Ave, Smithtown 11787 | (631) 979-1306 |
| J C Rainbow Cleaners Inc 552 Smithtown Byp, Smithtown 11787 | (631) 366-4510 |
| Robert's Cleaners & Tailor 4 Miller Pl, Smithtown 11787 | (631) 360-9455 |
| Smithtown Dry Cleaning 279 W Main St, Smithtown 11787 | (631) 265-0856 |
| Town Cleaners 304 Maple Ave, Smithtown 11787 | (631) 265-0101 |
| Vicks Dry Cleaners Inc 82 W Main St, Smithtown 11787 | (631) 265-9714 |
| Vinny's Family Cleaners 29 Hemlock Ln, Smithtown 11787 | (631) 273-9161 |