| Business | Phone |
| Lbj Enterprises 1707 E St, Eureka 95501 | (707) 442-0339 |
| O'Connor Environmental Inc 3512 Nevada St, Eureka 95503 | (707) 442-7533 |
| Blue Rock Environmental Inc 535 3rd St, Eureka 95501 | (707) 441-1934 |
| Cambria Environmental 408 7th St # A, Eureka 95501 | (707) 268-3812 |
| Environmental Protection Info 207 G St, Eureka 95501 | (707) 476-8340 |
| Humboldt Baykeeper 424 1st St, Eureka 95501 | (707) 268-0664 |
| Marine Spill Response Corp 990 W Waterfront Dr, Eureka 95501 | (707) 442-6087 |