| Business | Phone |
| Afco Systems Inc 200 Finn Ct, Farmingdale 11735 | (516) 249-9441 |
| Nova Data Systems Supplies Inc 24 Sarah Dr, Farmingdale 11735 | (631) 752-2795 |
| Electronic Software Developers 826 Main St, Farmingdale 11735 | (516) 293-0298 |
| New Protocol 399 Conklin St, Farmingdale 11735 | (516) 777-2601 |