| Business | Phone |
| Wastren Inc 3961 Nathan Dr, Idaho Falls 83404 | (208) 526-3572 |
| Trutech 2582 Heyrend Way, Idaho Falls 83402 | (208) 524-4361 |
| Urs Corp Idaho Falls 83402 | (208) 552-2566 |
| Applied Engineering Svc 2300 N Yellowstone Hwy 104, Idaho Falls 83401 | (208) 529-0352 |
| Science Applications Intl Corp 950 Energy Pl, Idaho Falls 83401 | (208) 529-2611 |
| Scientech Inc 200 S Woodruff Ave, Idaho Falls 83401 | (208) 524-9200 |
| Ch2m Hill 151 N Ridge Ave 150, Idaho Falls 83402 | (208) 552-7310 |
| Schiess & Assoc Consulting 7103 S 45th W, Idaho Falls 83402 | (208) 522-1244 |
| Reliance Testing & Inspection 2031 Heyrend Way, Idaho Falls 83402 | (208) 552-6240 |
| Pro-Tec Inc 550 2nd St # 241, Idaho Falls 83401 | (208) 522-1610 |
| Orion Technical Solutions 2312 E Oakmont Dr, Idaho Falls 83404 | (208) 528-8223 |
| Parsons Infrastructure & Tech Idaho Falls 83402 | (208) 526-8489 |
| Eg & G 501 W Broadway St, Idaho Falls 83402 | (208) 529-8700 |
| Mse Technology Applications 381 Shoup Ave 201, Idaho Falls 83402 | (208) 523-1171 |
| Epic Energy 255 B St 203, Idaho Falls 83402 | (208) 528-0960 |
| Experimental Engineering Corp 1430 E 17th St, Idaho Falls 83404 | (208) 522-8161 |
| Foster Wheeler Environmental 2275 W Broadway St, Idaho Falls 83402 | (208) 529-9016 |
| Fred Dunhour Co 6586 S 9th W, Idaho Falls 83402 | (208) 522-4657 |
| G & S Structural Engineers 1600 John Adams Pkwy 200, Idaho Falls 83401 | (208) 523-6918 |
| Idc 5001 S 15th W, Idaho Falls 83402 | (208) 522-2394 |
| Jason Associates Corp 545 Shoup Ave 335b, Idaho Falls 83402 | (208) 522-1662 |
| Jetseal Inc 369 Shoup Ave, Idaho Falls 83402 | (208) 529-3006 |
| Intrepid Engineering Svc Inc 501 W Broadway St 200, Idaho Falls 83402 | (208) 529-5337 |