| Business | Phone |
| Cadence Design Systems Inc 331 E Evelyn Ave, Mountain View 94041 | (650) 934-6800 |
| Intuit Inc 2632 Marine Way, Mountain View 94043 | (650) 944-6000 |
| Siebel Systems Inc 1161 San Antonio Rd, Mountain View 94043 | (650) 623-2200 |
| Synopsys Inc 700 E Middlefield Rd, Mountain View 94043 | (650) 584-5000 |