| Business | Phone |
| Alta Vista Technology 1664 Alta Vista Dr, Vista 92084 | (760) 414-9938 |
| Dennis M Bierman Enterprises Po Box 1585, Vista 92085 | (760) 598-5833 |
| Enviroguide 1629 Wild Acres Rd, Vista 92084 | (760) 751-8658 |
| Snowdin Consulting 1316 Bobolink Dr, Vista 92083 | (760) 415-8712 |
| Communications Group 1863 Montgomery Dr, Vista 92084 | (760) 940-9360 |
| Mkw Svc 2249 Brookhaven Pass, Vista 92081 | (760) 599-8517 |