| Business | Phone |
| Peterson Communications Group 827 Arnold Dr # 140, Martinez 94553 | (925) 335-0800 |
| Comlink Communications 3084 Lester Rd, Martinez 94553 | (925) 370-0708 |
| Henkels & Mccoy Inc 2164 Franklin Canyon Rd, Martinez 94553 | (925) 372-8306 |
| Pacific Bay Pay Station 2475 Reliez Valley Rd, Martinez 94553 | (925) 229-0846 |
| Sawyer Communications 1134 Alhambra Ave, Martinez 94553 | (925) 957-0300 |
| Totlcom Inc 4737 Imhoff Pl # B1, Martinez 94553 | (925) 372-7086 |