| Business | Phone |
| Hewlett-Packard Co 8000 Foothills Blvd # R4, Roseville 95747 | (916) 786-8000 |
| Roseville Computer Svc 1837 Incline Way, Roseville 95661 | (916) 789-1065 |
| Shadow Computer Consulting 212 Cicero Ct, Roseville 95747 | (916) 782-9513 |
| Eracom Technologies Usa 1098 Melody Ln, Roseville 95678 | (916) 677-2450 |