| Business | Phone |
| Advanced Sleep & Breathing 424 Rosevale Ave, Ronkonkoma 11779 | (631) 580-5193 |
| Air Hamptons 90 Arrival Ave, Ronkonkoma 11779 | (631) 580-5051 |
| Apple Mother Child Program 153 Lake Shore Rd, Ronkonkoma 11779 | (631) 981-1717 |
| Ljmm Enterprises 2416 Chestnut Ave, Ronkonkoma 11779 | (631) 471-5444 |
| Avionic Technology 90 13th Ave # 2a, Ronkonkoma 11779 | (631) 244-8442 |
| M W Equipt Inc 1951 Ocean Ave # 1, Ronkonkoma 11779 | (631) 580-9775 |
| Blue Inc System 2864 Pond Rd, Ronkonkoma 11779 | (631) 585-4034 |
| Mark Rich Capital Inc 2805 Veterans Memorial Hwy, Ronkonkoma 11779 | (631) 285-7150 |
| Comjet Worldwide Sales 2049 9th Ave, Ronkonkoma 11779 | (631) 738-9644 |
| Community Housing Innovations 16 Rosevale Ave, Ronkonkoma 11779 | (631) 588-7484 |
| Conlon & Conlon 16 Parr Dr, Ronkonkoma 11779 | (631) 467-5933 |
| Cvs Procare 80 Air Park Dr, Ronkonkoma 11779 | (631) 981-0034 |
| Dfm Technologies 751 Koehler Ave # 9, Ronkonkoma 11779 | (631) 981-1566 |
| E & Mesr Inc 2185 5th Ave, Ronkonkoma 11779 | (631) 738-1203 |
| Eastwind Commercial Construct 751 Koehler Ave, Ronkonkoma 11779 | (631) 471-6931 |
| Effero Llc 856 Johnson Ave, Ronkonkoma 11779 | (631) 471-4030 |
| Ny Army Natl Guard Recruit Office Mac Arthur Airport, Ronkonkoma 11779 | (631) 737-2679 |
| Old Brooklyn Soda Co 10 Drew Ct, Ronkonkoma 11779 | (631) 738-0600 |
| Frank Zambaras & Assoc 4175 Veterans Memorial Hwy, Ronkonkoma 11779 | (631) 471-5018 |
| Gillette Cesspool 847 11th St, Ronkonkoma 11779 | (631) 727-7216 |
| Global Na Ps 402 Rosevale Ave, Ronkonkoma 11779 | (631) 738-0684 |
| Heartsmart 424 Rosevale Ave, Ronkonkoma 11779 | (631) 580-5072 |
| Phoenix House Ronkonkoma Center 153 Lake Shore Rd, Ronkonkoma 11779 | (631) 738-1948 |
| I-2000 Inc 101 Locust Blvd, Ronkonkoma 11779 | (631) 471-9130 |
| J & V Of New York City Inc 990 S 2nd St, Ronkonkoma 11779 | (631) 471-6722 |
| Pride Products Corp 4333 Veterans Memorial Hwy, Ronkonkoma 11779 | (631) 737-4444 |
| J P T 4175 Veterans Memorial Hwy, Ronkonkoma 11779 | (631) 981-6804 |
| Raith Usa Inc 2805 Veterans Memorial Hwy, Ronkonkoma 11779 | (631) 738-9500 |
| Ron Grant Assoc 135 Ronkonkoma Ave, Ronkonkoma 11779 | (631) 580-4315 |
| Kundig Contracting Inc 2201 5th Ave # P, Ronkonkoma 11779 | (631) 361-4813 |
| Rothco 3015 Veterans Memorial Hwy, Ronkonkoma 11779 | (631) 585-9446 |
| Lemark Assocs 5044 Express Dr S, Ronkonkoma 11779 | (631) 588-3036 |
| Single Source 1930 Lakeland Ave, Ronkonkoma 11779 | (631) 586-5485 |
| Sks Data Solutions 43 Leicester Ave, Ronkonkoma 11779 | (631) 981-8188 |
| Strand Acquisition Corp 3275 Veterans Memorial Hwy, Ronkonkoma 11779 | (631) 585-2430 |
| Sun Power Systems Inc 245 Ronkonkoma Ave, Ronkonkoma 11779 | (631) 585-3465 |
| Tfs Assoc Inc 4949 Express Dr N # D, Ronkonkoma 11779 | (631) 285-7810 |
| Waterfalls 500 Lorenzo Cir, Ronkonkoma 11779 | (631) 737-6785 |