| Business | Phone |
| Fansonly Networking 2035 Corte Del Nogal, Carlsbad 92009 | (760) 431-8221 |
| Advantech Technologies Inc 1949 Palomar Oaks Way, Carlsbad 92011 | (760) 918-9288 |
| Quick Micro Inc 2794 Loker Ave W, Carlsbad 92010 | (760) 431-7500 |
| P C Power & Cooling Inc 5993 Avenida Encinas, Carlsbad 92008 | (760) 931-5700 |