| Business | Phone |
| Hdr Engineering 610 W Hubbard St 227, Coeur d'Alene 83814 | (208) 676-1130 |
| Kruse & Assoc 7355 W Clemetson Rd, Coeur d'Alene 83814 | (208) 667-1490 |
| Taylor Engineering Inc 1221 W Ironwood Dr 101, Coeur d'Alene 83814 | (208) 666-0313 |
| Alpine Engineering 280 W Prairie Ave 4, Coeur d'Alene 83815 | (208) 772-2522 |