| Business | Phone |
| Charles Schwab & Co 488 Great Neck Rd # 200, Great Neck 11021 | (516) 000-1111 |
| On Site Trading Inc 98 Cuttermill Rd, Great Neck 11021 | (516) 482-9292 |
| Eagle Capital 98 Cuttermill Rd, Great Neck 11021 | (516) 393-9370 |
| Hughes Trading 111 Great Neck Rd # 314, Great Neck 11021 | (516) 593-9494 |
| Icm Electronic Banking 60 Cuttermill Rd # 601, Great Neck 11021 | (516) 466-1205 |
| Ryan Beck & Co 1000 Northern Blvd # 200, Great Neck 11021 | (516) 773-7400 |
| Ryan Beck & Co 60 Cuttermill Rd, Great Neck 11021 | (212) 938-2334 |
| Merrill Lynch 1010 Northern Blvd, Great Neck 11021 | (516) 773-6900 |
| Morgan Stanley 600 Northern Blvd # 212, Great Neck 11021 | (516) 773-7200 |
| Harold Nelkin 2 Arleigh Rd # A, Great Neck 11021 | (516) 466-3414 |
| Wachovia Securities 1010 Northern Blvd # 214, Great Neck 11021 | (516) 504-6700 |