| Business | Phone |
| Design Technologies Assocs 85 Watermill Ln, Great Neck 11021 | (631) 467-8686 |
| Dma Med Chem Corp 49 Watermill Ln, Great Neck 11021 | (516) 829-1200 |
| Imperial Surgical Supply Corp 7 Northern Blvd, Great Neck 11021 | (516) 482-9110 |
| Integrated Health Enterprises 2 Nassau Rd, Great Neck 11021 | (718) 343-0000 |