| Business | Phone |
| A Great Neck 11020 | (516) 616-3900 |
| Port Telephone Answering Svc 233 E Shore Rd # 202, Great Neck 11023 | (516) 829-5660 |
| Select Personnel Consultants 1010 Northern Blvd # 208, Great Neck 11021 | (516) 773-7388 |
| Sound Telecom Great Neck 11020 | (516) 203-1403 |