| Business | Phone |
| Baycom Inc 1620 Oakland Rd # D102, San Jose 95131 | (408) 453-0640 |
| Fire Alert Inc San Jose 95118 | (408) 723-2223 |
| Dave Ohanneson 1782 Angela St, San Jose 95125 | (408) 286-3268 |
| Spartan Engineering Inc 540 Parrott St, San Jose 95112 | (408) 993-0560 |
| Lion Plaza Fire Alarm 1818 Tully Rd, San Jose 95122 | (408) 238-6254 |