| Business | Phone |
| Intermountain Resources 101 N 4th Ave, Sandpoint 83864 | (208) 263-9391 |
| Tetra Tech 321 S Boyer Ave, Sandpoint 83864 | (208) 255-1315 |
| Whf Inc Sandpoint 83864 | (208) 255-5718 |
| Monks Hydro-Geoscience 307 N 2nd Ave 4, Sandpoint 83864 | (208) 263-1991 |
| Selkirk Environmental Inc 1256 W Elmira Rd, Sandpoint 83864 | (208) 265-5858 |