| Business | Phone |
| Applied Visions Inc 6 Bayview Ave, Northport 11768 | (631) 754-4920 |
| Metco Computer 1026 Fort Salonga Rd, Northport 11768 | (631) 754-7894 |
| Foxtek Inc 1019 Fort Salonga Rd # 109, Northport 11768 | (631) 754-4304 |
| Peoplecomminc 24 Woodbine Ave, Northport 11768 | (631) 262-9100 |
| Harbinger Technologies Ltd 33 Normandy Dr, Northport 11768 | (631) 262-0799 |
| Innovative Software Inc 1019 Fort Salonga Rd, Northport 11768 | (631) 757-8401 |
| Systems Analysis & Design Inc 68 Main St, Northport 11768 | (631) 754-5560 |