| Business | Phone |
| Montgomery Computers 225 Fir Grove Rd, Ronkonkoma 11779 | (631) 467-0491 |
| Noram Industries 152 Remington Blvd, Ronkonkoma 11779 | (631) 737-1396 |
| Frontline Computer Technology 358 Croaton St, Ronkonkoma 11779 | (631) 737-0909 |
| General Technics 1981 Pond Rd, Ronkonkoma 11779 | (631) 981-9473 |
| Inetmedia Corp 2110 Smithtown Ave, Ronkonkoma 11779 | (631) 580-1500 |
| Vormittag Associate Inc 120 Comac St, Ronkonkoma 11779 | (631) 588-9500 |