| Business | Phone |
| Alarmpath 1515 Middle Country Rd, Centereach 11720 | (631) 696-1100 |
| Li Merchants Inc 2100 Middle Country Rd, Centereach 11720 | (631) 471-4778 |
| Bi-County Services Against Po Box 492, Centereach 11720 | (631) 698-5785 |
| Bustamante Tennis Courts Inc 72 Joan Ave, Centereach 11720 | (631) 696-2580 |
| Miller & Caggiano 1820 Middle Country Rd, Centereach 11720 | (631) 471-2912 |
| Decillis Auto Svce 125 Mark Tree Rd, Centereach 11720 | (631) 585-9530 |
| Edgesports Inc 99 Mark Tree Rd, Centereach 11720 | (631) 471-2726 |
| Fairfield At Setauket 65 Neal Path, Centereach 11720 | (631) 737-9030 |
| Gamebrokers Inc 99 Mark Tree Rd, Centereach 11720 | (631) 471-2417 |
| Origin Communicatios 2100 Middle Country Rd, Centereach 11720 | (631) 981-2288 |
| Ppc Inc 99 Mark Tree Rd, Centereach 11720 | (631) 471-2914 |
| Ideal Fine Host 14 43rd St, Centereach 11720 | (631) 471-8377 |
| Idr Technologies 27 Pleasant Ave, Centereach 11720 | (631) 981-5250 |
| Skee 66 Horseblock Rd, Centereach 11720 | (631) 467-8526 |
| Technologies Idr 27 Pleasant Ave, Centereach 11720 | (631) 981-5250 |
| Theofin Ltd 2100 Middle Country Rd, Centereach 11720 | (631) 738-7828 |