| Business | Phone |
| A C Electrical Supply 608 Johnson Ave, Bohemia 11716 | (631) 563-3333 |
| Apex Signal Corp 170 Wilbur Pl, Bohemia 11716 | (631) 981-1100 |
| Coaxial Components 500 Johnson Ave, Bohemia 11716 | (631) 244-1200 |
| Grainger Inc 199 Orville Dr, Bohemia 11716 | (631) 567-8591 |
| Keltron Electronics Inc 2000 Artic Ave, Bohemia 11716 | (631) 567-6300 |