| Business | Phone |
| Commercial Radio & Electronics 2416 Broadway St, Eureka 95501 | (707) 445-9661 |
| Redwood Electronics Supply Inc 711 Summer St, Eureka 95501 | (707) 443-3106 |
| Sound Advice Inc 303 5th St, Eureka 95501 | (707) 442-4462 |
| Radio Shack 1111 Myrtle Ave # 1, Eureka 95501 | (707) 443-7731 |