| Name | Address | City | ST | Postal | Phone | FAX | Email |
| BARNUM, INC. | 183 US HIGHWAY 16 EAST | BUFFALO | WY | 82834 | (307)684-5365 | | jerrica@barnuminc.com;wendi@barnuminc.com |
| DYKHUIS DRILLING CORPORATION DBA DIAMOND DRILLING & SAWING CO., INC. | 1157 S. BANNOCK ST. | DENVER | CO | 80223 | (303)733-3741 | | eric@ddsccolorado.com;liz@ddscusa.com |
| PINE BLUFFS GRAVEL & EXCAVATING, INC. | 600 PARSON ST. | PINE BLUFFS | WY | 82082 | (307)245-3676 | | debbie@pbgravel.com |
| SIMON CONTRACTORS | 6215 CLEAR CREEK PKWY | CHEYENNE | WY | 82007 | (307)632-7900 | | larno@simonteam.com;zahlstrom1@simonteam.com;estimating@simonteam.com;jzimmerman@simonteam.com;kwoodhouse@simonteam.com |