| Business | Phone |
| 3-D Building & Home Imprvmt 39 Hampton Bays Dr, Hampton Bays 11946 | (631) 728-2563 |
| Bieye Construction 20 Seaside Ave, Hampton Bays 11946 | (631) 728-2896 |
| Boyne Builders Co 9 Emerson Ct, Hampton Bays 11946 | (631) 723-1445 |
| Bright Bay Remodeling & Bldg 138 E Montauk Hwy, Hampton Bays 11946 | (631) 728-2546 |
| Chateau Construction 2 Maryland Blvd, Hampton Bays 11946 | (631) 329-7522 |
| Douglas Constr & Dev Corp 1 Jackson Ave, Hampton Bays 11946 | (631) 723-7020 |
| Newborn Constr Inc 39 W Montauk Hwy, Hampton Bays 11946 | (631) 723-3703 |
| Ejm Ludlow Inc 9 Ludlow Ln, Hampton Bays 11946 | (631) 728-5825 |
| Sandy A Builders 189 W Montauk Hwy, Hampton Bays 11946 | (631) 725-6858 |
| Sommerville Construction 49 Rampasture Rd, Hampton Bays 11946 | (631) 728-4485 |
| Stone Creek Construction Hampton Bays 11946 | (631) 723-0893 |
| Thompson For Iv General Contr 9 William St, Hampton Bays 11946 | (631) 283-7651 |