| Business | Phone |
| Bi-Tech Enterprises Inc 140 Raynor Ave, Ronkonkoma 11779 | (631) 737-5300 |
| Computer Technology By Darress 382 Rosevale Ave, Ronkonkoma 11779 | (631) 737-3377 |
| P C Solutions Group 4175 Veterans Memorial Hwy, Ronkonkoma 11779 | (631) 467-2700 |
| Hista Laboratories 751 Koehler Ave, Ronkonkoma 11779 | (631) 580-5930 |