| 2 Down | 1097457 | Active | 10/31/2026 |
| A D I Engineering | 1022275 | Active | 01/31/2027 |
| A Good Plumbing Inc | 934250 | Active | 06/30/2027 |
| Bighorn Grading & Engineering Inc | 710814 | Active | 08/31/2027 |
| Brenton Engineering Inc | 995889 | Active | 08/31/2028 |
| C J W General Contracting | 819474 | Active | 05/31/2027 |
| C T Concrete Cutting Inc | 687723 | Active | 01/31/2028 |
| Capital Construction Inc | 941031 | Active | 12/31/2027 |
| Cary Schroeder Contracting Inc | 390802 | Active | 04/30/2028 |
| Century Construction Company | 358946 | Active | 02/29/2028 |
| Colorado West Construction | 908987 | Active | 01/31/2028 |
| Concord Utility Construction Services | 931301 | Active | 04/30/2027 |
| Corcoran Construction | 1153080 | Active | 04/30/2028 |
| Corcoran Construction | 834660 | Active | 11/30/2028 |
| Eastridge Engineering And Construction | 1081150 | Active | 09/30/2027 |
| Eduardo Covarrubias Construction | 939013 | Active | 10/31/2027 |
| Elite Earthworks & Engineering | 963457 | Active | 07/31/2027 |
| Equipoise Inc | 901686 | Active | 11/30/2027 |
| Force Engineering & Construction | 1138575 | Active | 06/30/2027 |
| G L Cagle Construction | 789637 | Active | 01/31/2027 |
| GT General Inc | 1105565 | Active | 06/30/2027 |
| Gordon Directional Boring Inc | 939995 | Active | 11/30/2027 |
| H7 Contracting & Engineering Inc | 1013926 | Active | 05/31/2028 |
| Hamel Concrete Inc | 1011533 | Active | 02/29/2028 |
| Hamel Contracting Inc | 919635 | Active | 12/31/2026 |
| Harmon Excavating | 560078 | Active | 04/30/2028 |
| Innerline Engineering Inc | 790418 | Active | 01/31/2027 |
| J P Contracting | 839348 | Active | 06/30/2028 |
| J P I Development Group Inc | 778930 | Active | 05/31/2028 |
| JW Engineering Inc | 1140927 | Active | 07/31/2027 |
| KLR Engineering Inc | 1100313 | Active | 01/31/2027 |
| Kennedy/jenks Consultants Inc | 686543 | Active | 04/30/2028 |
| Kip Incorporated | 344224 | Active | 04/30/2027 |
| La Cresta Holdings Inc | 1112295 | Active | 11/30/2027 |
| M Nadeaus | 1023268 | Active | 01/31/2027 |
| MC Coy Construction | 653720 | Active | 10/31/2028 |
| Maples & Associates Inc | 701704 | Active | 10/31/2027 |
| Michael Griffith DBA Griffith Construction Company | 913301 | Active | 04/30/2028 |
| Michael Nicholas Monteleone SR | 544670 | Active | 03/31/2028 |
| Miko Mountain Lion Inc | 989756 | Active | 06/30/2028 |
| Mining & Development Management Inc | 1049897 | Active | 02/28/2027 |
| Next Level Construction Services Inc | 988716 | Active | 11/30/2027 |
| Nighthawk Integrated Services | 1127915 | Active | 10/31/2027 |
| P K Mechanical Systems Inc | 810564 | Active | 07/31/2028 |
| Pacific Construction | 625696 | Active | 09/30/2028 |
| Pacific Hydrotech Corporation | 518355 | Active | 09/30/2027 |
| Pacific Sun Technologies Inc | 896158 | Active | 05/31/2027 |
| R L Clotworthy Construction Inc | 803626 | Active | 01/31/2028 |
| Robert Mathison III | 1023623 | Active | 02/28/2027 |
| T & D Trenchless | 900732 | Active | 07/31/2027 |
| Trust Engineering | 1039932 | Active | 08/31/2028 |
| Tyler Worthington Construction Inc DBA TWC Construction | 1006623 | Active | 06/30/2027 |
| Westpac Pipeline Inc | 799486 | Active | 05/31/2027 |
| Wolf Haven Company Earthworks | 1093770 | Active | 07/31/2028 |
| Woodlake Builders Inc | 1035936 | Active | 02/29/2028 |
| Jah's Son General Engineering | 1037597 | Contr Bond Susp | 04/30/2028 |
| Spindler Engineering | 735050 | Contr Bond Susp | 04/30/2027 |