| Business | Phone |
| Alliance Data Systems Corp 1327 Russ St, Eureka 95501 | (707) 445-9078 |
| Nylex Net Llc 525 2nd St # 103, Eureka 95501 | (707) 443-4944 |
| Pacific Information Technology Eureka 95501 | (707) 476-9144 |
| Mr Chau's Electrical & Network Po Box 144, Eureka 95502 | (707) 845-0417 |