| Business | Phone |
| M-Tron Components Inc 1891 Lakeland Ave, Ronkonkoma 11779 | (631) 467-5100 |
| Meridian Plaza 3075 Veterans Memorial Hwy, Ronkonkoma 11779 | (631) 737-4466 |
| Community Services 390 Smith Rd, Ronkonkoma 11779 | (631) 580-5167 |
| Peck & Sander Properties 3385 Veterans Hwy # C, Ronkonkoma 11779 | (631) 580-9600 |