| Business | Phone |
| Contri Construction Co 77 W 2nd St, Eureka 95501 | (707) 445-9798 |
| Doc's Mobile Svc 65 Spruce St, Eureka 95503 | (707) 442-0685 |
| Contrijp 3 Commercial St, Eureka 95501 | (707) 444-3353 |
| Docs Mobile Svc 3952 Jacobs Ave, Eureka 95501 | (707) 268-8210 |
| Wiltse Construction Co 1818 F St, Eureka 95501 | (707) 443-2181 |
| Wahlund Construction Co 830 Hilma Dr, Eureka 95503 | (707) 444-2137 |
| Wahlund Construction Shop 690 Indianola Rd, Eureka 95503 | (707) 268-0137 |
| Rao Construction Co 5503 Walnut Dr, Eureka 95503 | (707) 443-2118 |
| Jim E Adams Construction 4738 Crane St, Eureka 95503 | (707) 445-9334 |