| Business | Phone |
| American Star Private Security 922 E St # 209, Eureka 95501 | (707) 442-8122 |
| Initial Security 408 7th St # E, Eureka 95501 | (707) 443-0064 |
| Securitas Security Svc Usa Inc 1606 Koster St, Eureka 95501 | (707) 445-5463 |
| Isr Solutions 320 R St, Eureka 95501 | (916) 492-2865 |