| Business | Phone |
| Christensen & Kern Telephone Chico 95928 | (530) 343-5305 |
| Gaynor Telesystems Inc 669 Palmetto Ave # J, Chico 95926 | (530) 895-8442 |
| International Teamworks 189 Indian Cliffs Dr, Chico 95973 | (530) 898-1971 |
| Ats Communications Inc 30 Landing Cir # 103, Chico 95973 | (530) 894-1600 |
| Chico Electric Telecom Svc 36 W Eaton Rd, Chico 95973 | (530) 891-9485 |