| Business | Phone |
| Dahlgren Consulting 914 E 23rd St, Cheyenne 82001 | (307) 634-3582 |
| Fassett Consulting 1720 Carey Ave, Cheyenne 82001 | (307) 778-9500 |
| Floyd A Bishop Consulting Eng 2848 Deming Blvd, Cheyenne 82001 | (307) 635-2903 |
| Gordon Gumeson & Assoc 1603 Capitol Ave # 510, Cheyenne 82001 | (307) 635-8007 |
| Gust & Johnston 523 W 27th St A1, Cheyenne 82001 | (307) 638-2511 |
| Martin & Martin 200 W 17th St 50, Cheyenne 82001 | (307) 637-3183 |
| Mkk 500 W 18th St 200, Cheyenne 82001 | (307) 634-7647 |
| Northern Engineering Svc 420 Southwest Dr # 202, Cheyenne 82007 | (307) 221-4158 |
| Terracon Consulting Engineers 1505 Old Happy Jack Rd, Cheyenne 82001 | (307) 632-9224 |
| Seh Inc 7000 Yellowtail Rd 230, Cheyenne 82009 | (307) 633-6440 |
| Phc Reclamation Office 7300 Yellowstone Rd 5, Cheyenne 82009 | (307) 634-9845 |