| Business | Phone |
| Alternative Data Communication 1830 Vernon St # 5, Roseville 95678 | (916) 781-6952 |
| C-Tech Systems 404 Sunrise Ave # D, Roseville 95661 | (916) 486-4282 |
| Q Logic Corp 1680 E Roseville Pkwy, Roseville 95661 | (916) 797-1958 |
| Sdig Inc 1693 Eureka Rd # 300, Roseville 95661 | (916) 773-9900 |
| Acm Computer Technologies Roseville 95661 | (916) 797-2286 |
| Allied Network Solutions 1358 Blue Oaks Blvd, Roseville 95678 | (916) 774-2670 |
| River City Networks 2125 Van Ness Dr, Roseville 95661 | (916) 783-4113 |
| Signal Enterprises 3017 Douglas Blvd # 300, Roseville 95661 | (916) 729-1211 |
| T 3 Systems Inc 601 Commerce Dr # 120, Roseville 95678 | (916) 784-3000 |
| Tech-Ed Networks 9001 Foothills Blvd # 170, Roseville 95747 | (916) 784-2005 |
| Abltek Inc Roseville 95661 | (916) 786-2999 |
| C-Tech Mobile Svc 970 Sunrise Ave # 125-302, Roseville 95661 | (916) 782-9457 |
| Sunrise Support Svc 1 Sierra Gate Plz # C, Roseville 95678 | (916) 783-4200 |
| Sure West 8150 Industrial Ave, Roseville 95678 | (916) 786-1799 |