| Business | Phone |
| W A Brown Instruments Inc 234 Pasadena Pl, Orlando 32803 | (407) 648-9660 |
| Top Gun Electronics 12507 State Road 535, Orlando 32836 | (407) 827-1951 |
| Nec Electronics Inc 37 N Orange Ave, Orlando 32801 | (407) 926-4110 |
| Microtips Technology 3452 Lake Lynda Dr # 215, Orlando 32817 | (407) 273-0204 |