| Business | Phone |
| Amc Corp 1348 W Valley Pkwy # C, Escondido 92029 | (760) 233-9999 |
| Avocent Corp 960 S Andreasen Dr # B, Escondido 92029 | (760) 705-3137 |
| Datum Point 1275 Simpson Way, Escondido 92029 | (760) 489-2955 |
| Q-Tech Computer 420 N Andreasen Dr, Escondido 92029 | (760) 796-4640 |
| Dell Inc 272 E Via Rancho Pkwy, Escondido 92025 | (760) 737-8352 |
| Oci Retail Computer Sciences 1651 S Juniper St, Escondido 92025 | (760) 746-9142 |
| Netedge Computers 410 W Felicita Ave, Escondido 92025 | (760) 738-8888 |