| Business | Phone |
| M & J Income Tax 258 Hawkins Ave, Ronkonkoma 11779 | (631) 588-9460 |
| Cagnard & Schwan 624 Hawkins Ave # 2, Ronkonkoma 11779 | (631) 246-9200 |
| Dun-Rite Tax Svc 2387 Ocean Ave, Ronkonkoma 11779 | (631) 737-5777 |
| H & R Block Tax Svc 137 Ronkonkoma Ave # A, Ronkonkoma 11779 | (631) 467-7546 |
| Income Tax Pros Inc 237 Portion Rd, Ronkonkoma 11779 | (631) 585-2788 |
| Jackson Hewitt Tax Svc 412 Hawkins Ave, Ronkonkoma 11779 | (631) 471-7483 |
| Tax Correction Agency Inc 50 Trade Zone Ct, Ronkonkoma 11779 | (631) 467-5200 |