| Name | Address | City | ST | Postal | Phone | FAX | Email |
| AB UNDERGROUND LLC | 21269 COUNTY ROAD 47 | LASALLE | CO | 80645 | (303)720-4667 | | alyson@abunderground.com |
| BARNUM, INC. | 183 US HIGHWAY 16 EAST | BUFFALO | WY | 82834 | (307)684-5365 | | jerrica@barnuminc.com;wendi@barnuminc.com |
| CONNELL RESOURCES, INC. | 7785 HIGHLAND MEADOWS PKWY ST. 100 | FORT COLLINS | CO | 80528 | (970)223-3151 | | jlindblad@connellresources.com |
| DETON INC, DBA SLATON BROS, INC | 3033 S PARKER RD, SUITE 1150 | AURORA | CO | 80014 | (303)806-8160 | | jessica.greenough@slatonbros.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 |
| INDUSTRIAL BUILDERS, INC. | 1307 COUNTY RD 17 NORTH | FARGO | ND | 58078 | (701)282-4977 | | brian@industrialbuilders.com;chanson@industrialbuilders.com |
| JTL GROUP, INC. DBA KNIFE RIVER | PO BOX 20150 | CHEYENNE | WY | 82007 | (307)634-5455 | | kelly.churchill@kniferiver.com;ryan.drake@kniferiver.com;phillip.ostrander@kniferiver.com;carolyn.vasquez@kniferiver.com;samuel.colley@kniferiver.com;kevin.hoff@kniferiver.com |
| KEYHOLE TECHNOLOGIES, LLC | 5700 W. POISON SPIDER ROAD | CASPER | WY | 82604 | (307)472-3140 | | estimating@keyholetech.com;office@keyholetech.com |
| MCGARVIN-MOBERLY CONSTRUCTION CO. | 1001 HWY 20 NORTH | WORLAND | WY | 82401 | (307)347-4268 | | estimating@mcgarvinmoberly.com;b.barthelmess@mcgarvinmoberly.com |
| MILLER WALL CO. | P.O. BOX 211368 | DENVER | CO | 80221 | (303)426-0802 | | Accounting@millerwalls.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 |
| S & J SIGNS | 718 CTY RD 128A | CHEYENNE | WY | 82007 | (307)432-9583 | | sandjsigns@aol.com |
| S & S BUILDERS, LLC | 400 ENTERPRISE AVE. | GILLETTE | WY | 82716 | (307)686-5659 | | estimating@ssbuildersllc.com;jlcalderon@ssbuildersllc.com;dhippen@ssbuildersllc.com |
| S&L INDUSTRIAL LLC | 675 ROAD 7-1/2 | COWLEY | WY | 82420 | (307)548-2242 | | casey.schatz@wysli.com;barbara.rodriguez@wysli.com |
| SCOUGAL RUBBER CORP | 885 DENMARK DRIVE STE 103 | MCCARRAN | NV | 89434 | (775)284-8500 | | scottn@scougalrubber.com |
| SIMON CONTRACTORS | 6215 CLEAR CREEK PKWY | CHEYENNE | WY | 82007 | (307)632-7900 | | gbates@simonteam.com;estimating@simonteam.com;mjohnson1@simonteam.com;kwoodhouse@simonteam.com;corpaccounting@simonteam.com; |
| STRUCTURES, INC. | 4 INVERNESS COURT EAST, SUITE 250 | ENGLEWOOD | CO | 80112 | (303)770-7878 | | tom@structuresinc.net;christine@structuresinc.net |
| TRAFFIC SAFETY SERVICES, INC. | 8140 HUTCHINS DR | CHEYENNE, | WY | 82007 | (307)433-1111 | | jtodd@tssnd.com;mwood@tssnd.com |
| UNIVERSAL INDUSTRIAL SALES | 433 NORTH 1030 WEST | LINDON | UT | 84042 | (801)701-1195 | | uisutah@gmail.com |
| WATSON BOWMAN ACME | 95 PINEVIEW DR. | AMHERST | NY | 14228 | (716)817-5462 | | Joann.Sykes@WatsonBowmanAcme.com |
| WIND RIVER STONE SCAPES, INC. | 1868 HWY 352 | CORA | WY | 82925 | (307)749-9611 | | larry@windriverstonescapes.com |
| ZAK DIRT, INC. | 14290 HILLTOP RD. | LONGMONT | CO | 80504 | (970)535-4657 | | dsewczak@zakdirt.com;jweiss@zakdirt.com |