| Business | Phone |
| Bar Harbor Construction 2536 Middle Country Rd, Centereach 11720 | (631) 580-6171 |
| Casner's Home Improvement 534 Park Ave, Centereach 11720 | (631) 585-4744 |
| Home Improvement & Repairs 133 Rustic Rd, Centereach 11720 | (631) 580-5603 |
| Ted Lorenzen Construction 20 Walnut St, Centereach 11720 | (631) 467-5499 |
| Top Gun Home Improvements 1707 Middle Country Rd, Centereach 11720 | (631) 698-7855 |