| Business | Phone |
| Quantum Environmental Engnrng 2641 S Silver Beach Loop Rd, Coeur d'Alene 83814 | (208) 765-2308 |
| Ridolfi Inc 424 E Sherman Ave 209, Coeur d'Alene 83814 | (208) 765-4542 |
| Mfg Inc 1044 Northwest Blvd, Coeur d'Alene 83814 | (208) 667-2948 |
| Golder Associates Inc 1200 W Ironwood Dr, Coeur d'Alene 83814 | (208) 676-9933 |