| Business | Phone |
| American 10 Saxon Ct, Smithtown 11787 | (631) 979-0062 |
| Bylott Construction 270 North Rd, Smithtown 11787 | (631) 269-5974 |
| C & L Concrete Corp 7 Karl Ave, Smithtown 11787 | (631) 863-0004 |
| Classic Construction 74 Lone Oak Path, Smithtown 11787 | (631) 864-1991 |
| Mtd Contracting Co 4 Leslie Ln, Smithtown 11787 | (631) 979-7706 |
| Nu Image Exteriors Plus Inc 4 Purdue Ln, Smithtown 11787 | (631) 724-8016 |
| Jrt Contracting 9 Haven Ln, Smithtown 11787 | (631) 979-7249 |
| White Glove Blind Cleaning 56 Morewood Dr, Smithtown 11787 | (631) 842-1049 |