| Business | Phone |
| Eagle Creek Systems 1288 Via Sendero, Escondido 92029 | (760) 233-7775 |
| Hansen Systems 2210 Meyers Ave, Escondido 92029 | (760) 839-5800 |
| Ame Software Products Inc 205 W 5th Ave, Escondido 92025 | (760) 738-3720 |
| Scv Systems 1916 Edith Dr, Escondido 92026 | (760) 781-4021 |
| Firmlogic Design 2275 Bear Rock Gln, Escondido 92026 | (760) 744-3899 |