| Business | Phone |
| Global Network Infrastructure 2633 E 28th St # 610, Signal Hill 90755 | (562) 290-8900 |
| Mac-Fusion 2698 Junipero Ave, Signal Hill 90755 | (562) 733-0985 |
| Micro Specialists Inc 2225 E 28th St, Signal Hill 90755 | (562) 290-0808 |
| P C Outlet 3397 E 19th St, Signal Hill 90755 | (562) 248-2400 |