| Name | Address | City | ST | Postal | Phone | FAX | Email |
| BOWMAN CONSTRUCTION SUPPLY INC. | 10801 EAST 54TH AVE. | DENVER | CO | 80239 | (303)696-8960 | | dick@bowmanconstructionsupply.com |
| DEBERNARDI CONSTRUCTION COMPANY, INC. | 514 G STREET | ROCK SPRINGS | WY | 82901 | (307)382-8034 | | mainoffice@dccwyo.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 |
| PRECISION EARTHWORKS, INC. | 668 W. 3480 S. | NIBLEY | UT | 84321 | (435)999-8172 | | adam@peworksinc.com |
| REIMAN CORP. | 2400 W. COLLEGE DR. | CHEYENNE | WY | 82007 | (307)632-8971 | | kreiman@reimancorp.com;rbolkovatz@reimancorp.com;contracts@reimancorp.com;accounting@reimancorp.com |