| Business | Phone |
| March Electronics Inc 25 Feldland St, Bohemia 11716 | (631) 563-6000 |
| C & M Circuits Inc 50 Orville Dr, Bohemia 11716 | (631) 589-0208 |
| Cables Unlimited Inc 211 Knickerbocker Ave, Bohemia 11716 | (631) 218-3966 |
| Carlin Systems Inc 31 Floyds Run, Bohemia 11716 | (631) 471-2000 |
| Rf Power Components Inc 125 Wilbur Pl, Bohemia 11716 | (631) 563-5050 |
| Slc Integrated Systems 80 Orville Dr # 102, Bohemia 11716 | (631) 567-4900 |
| Sonics International Precision 1371 Church St # 5, Bohemia 11716 | (631) 567-0530 |