| Business | Phone |
| Csc Corp 180 W Fry Blvd, Sierra Vista 85635 | (520) 515-1940 |
| Edsi 77 Calle Portal # A140, Sierra Vista 85635 | (520) 459-2242 |
| New Technology Mgmt Inc 117 S First St, Sierra Vista 85635 | (520) 452-1427 |
| Precision Computing Inc 2700 E Fry Blvd, Sierra Vista 85635 | (520) 458-5990 |