| Business | Phone |
| Vista Engineering Technologies 591 Park Ave 302, Idaho Falls 83402 | (208) 524-4130 |
| Washington Group Intl 1088 N Skyline Dr 4, Idaho Falls 83402 | (208) 552-1342 |
| Bechtel National Inc 1000 Riverwalk Dr # 375, Idaho Falls 83402 | (208) 522-9001 |
| Eagle Engineering 550 2nd St 264, Idaho Falls 83401 | (208) 535-2241 |
| Eldredge Engineering 1090 Blue Ridge Dr, Idaho Falls 83402 | (208) 522-3632 |
| Ms2 4943 N 29th E, Idaho Falls 83401 | (208) 522-7356 |
| Gforce Engineering & Tech Inc 2275 W Broadway St B, Idaho Falls 83402 | (208) 552-0393 |