| Business | Phone |
| Lny Electronics Inc 2 Trade Zone Dr, Ronkonkoma 11779 | (631) 981-5933 |
| Bjg Electronics Inc 160 Gary Way, Ronkonkoma 11779 | (631) 737-1234 |
| Mast Distributors Inc 710 Union Pkwy # 2, Ronkonkoma 11779 | (631) 471-4422 |
| Centon Electronics Inc 33 Comac Loop # 8a, Ronkonkoma 11779 | (631) 471-7700 |
| Classic Components Corp 65 Air Park Dr, Ronkonkoma 11779 | (631) 588-4445 |
| Mil-Com Components Inc 76 Union Ave # A, Ronkonkoma 11779 | (631) 588-2400 |
| Custom Microwave Devices 2200 Smithtown Ave, Ronkonkoma 11779 | (631) 981-8888 |
| Dibar Electronics Corp 1997 Pond Rd, Ronkonkoma 11779 | (631) 467-6868 |
| North Atlantic Components 711 Koehler Ave # 1, Ronkonkoma 11779 | (631) 467-6300 |
| Edge Electronics 2221 5th Ave, Ronkonkoma 11779 | (631) 471-3405 |
| Open Technology Source Inc 90 Raynor Ave, Ronkonkoma 11779 | (631) 588-3700 |
| Peradata Technology Corp 238 Deer Rd, Ronkonkoma 11779 | (631) 588-2216 |
| Radio Shack 601 Portion Rd # 601-2, Ronkonkoma 11779 | (631) 981-3730 |
| Specap Inc 136 Remington Blvd, Ronkonkoma 11779 | (631) 588-7200 |
| Spectrum Component Supply Corp 136 Remington Blvd # 2, Ronkonkoma 11779 | (631) 737-6900 |
| Trans Pacific Technologies Inc 3281 Veterans Memorial Hwy, Ronkonkoma 11779 | (631) 471-4797 |
| Tri-Start Electronics Corp 979 Marconi Ave, Ronkonkoma 11779 | (631) 737-2200 |
| Tti Inc 921 S 2nd St, Ronkonkoma 11779 | (631) 737-2000 |