| Type | Company Name | Phone Number | Fax |
| GC | Willis | 303-765-3632 | 303-698-6028 |
| SC | PENHALL COMPANY | 303-934-3866 | 303-446-2314 |
| SC | Garza Concrete Structures, Inc | 303-289-3251 | 303-289-2628 |
| SC | Pinnacle Design/ Build | 770-205-4088 | 770-205-4958 |
| SC | Water Co. | 719-520-0006 | 719-520-0006 |
| SC | Concrete Works of Colorado, Inc. | 303-665-2933 x112 | 303-665-2996 |
| PR | Kolbe Striping | 303-688-9516 | 303-688-5478 |
| SC | Colorado Hardscapes | 303-750-8200 | 303-750-8886 |
| SC | Trinity Hwy Products | 801-243-3209 | 801-292-2145 |
| SC | HERMOSA IRON WORKS INC | 970-259-9438 | 970-385-1542 |
| SC | City Brokers Global,inc | 719-216-5201 | 719-574-0034 |
| SC | Alpha Milling Company | 303-428-2899 | 303-428-2347 |
| GC | Berdine | 505 331 1195 | 505 286 5877 |
| SC | Yeh and Associates, Inc. | 303-781-9590 | 303-781-9583 |
| SC | Consolidated Divisions, Inc. | 303-471-1522 | 303-470-3197 |
| GC | Red River Civil Engineering | 719-649-6126 | none |
| SC | HERRON Enterprises USA | 303-763-9639 | 303-763-9686 |
| PR | CMC REBAR | 512-282-8820 | 512-295-2500 |
| GC | DKS Enterprises | 720-685-0041 | 720-685-0043 |
| GC | 1 | 1 | 1 |
| SC | K.R. Swerdfeger Construction, Inc. | 719-547-0242 | 719-547-7277 |
| PR | ValleyCrest Landscape Development | 303-994-8694 | 303-841-8445 |
| GC | ValleyCrest Landscape Development | 303-994-8694 | 303-841-8445 |
| GC | aft | 919 654-7381 | 919 654-7382 |
| SC | Vladimir Jones | 719-473-0704 | 719-473-0754 |
| GC | Phelps Engineering Services | 303-298-1644 | 303-298-1645 |
| SC | CMC CONST SERVICES | 303 287 7531 | 303 288 1344 |
| SC | The Reinforced Earth Company | 303- 790- 1481 | 303- 790- 1461 |
| PR | CMC Construction Services | 800-800-7628 | 303-288-1344 |
| SC | SSL LLC | 8314309300 | 8314309340 |
| SC | Triple-G Construction, Inc. | 719-948-1800 | 719-948-1801 |
| SC | High Country Pipeline | 719-372-7114 | 719-372-7118 |
| GC | Vision Land Consultants | 303-674-7355 | 303-674-3263 |
| SC | Kumar & Associates | 719-632-7009 | 719-632-1049 |
| SC | Koechlein Consulting Engineers | 970-241-7700 | 970-241-7783 |
| PR | Pascal Construction | 303-278-0690 | 303-278-8733 |
| SC | Don Kehn Construction, Inc. | 970-226-4111 | 970-226-4115 |
| SC | Ross Electric | 719-495-4003 | 719-495-9645 |
| GC | gfcvbn | 4346346346 | 3463463434 |
| PR | Contech Construction Products | 719-510-9820 | 866-220-6493 |
| GC | Mallon Development Company | 719-598-9733 | 719-590-9089 |
| SC | Pikes Peak Steel | 719-471-8811 | 719-471-1328 |
| SC | Bemas Construction | 3036621877 | 3036621878 |
| GC | Huitt-Zollars | 3037407325 | 3032249997 |
| SC | Rocky Mountain Reinforcement | 3038053615 | 3038059712 |
| GC | LSV INC. | 303 450-5000 | 303 450-9121 |
| GC | LSV INC. | | |
| GC | LSV INC. | | |
| SC | AG Wassenaar, Inc. | 719-314-3870 | 719-314-3875 |
| GC | Lawrence Construction Company | 303-791-5642 | 303-791-5347 |
| SC | Ninyo & Moore | 303-629-6000 | 303-629-6001 |
| SC | Timberline Commercial Landscaping | 638-1000 | 638-1010 |
| GC | Lawrence Construction | 303.791.5642 | 303.791.5647 |
| SC | Bowman Construction Supply | 303-696-8960 | 303-696-0620 |
| SC | Watson Bowman Acme | 716-817-5462 | 716-691-9239 |
| GC | Self | (720) 810-9232 | (720)529-8168 |
| GC | kumar & associates | 719 632-7009 | 719 632-1049 |
| GC | Vision Land Consultants Inc. | 303-674-7355 | 303-674-3263 |
| GC | Envirobidnet | 8888880900 | 8418760458 |
| GC | F&D International | 3037752629 | 3036528555 |
| GC | Weston Solutions | 719-260-4487 | 719-590-7310 |
| SC | RMG Engineers Group | 719-548--0600 | 719-548--0223 |
| SC | Trans Colorado Concrete | 719 229 3315 | 719 392 9740 |
| GC | Hartwig & Associates | 720 733-1821 | 720 875-1181 |
| SC | Yeh and Associates, Inc. | 303-781-9590 | 303-781-9583 |
| SC | A.G. Wassenaar, Inc. | 719-314-3870 | 719-314-3875 |
| GC | Merrick & Company | 710-268-2364 | 719-260-6098 |
| GC | AECOM | 3033762909 | 3033762999 |
| SC | Luchetti Surveying Inc. | 303-755-5428 | 303-755-0526 |
| SC | Kolbe Striping, Inc. | 303-688-9516 | 303-688-5478 |
| SC | Terracon | 719-597-2116 | 719-597-2117 |
| GC | Project One Integrated Services, LLC | 303-771-0396 | 303-771-0398 |
| SC | Trans Colorado Concrete | 719 229 3315 | 719 392 9740 |
| GC | PBS&J | 303.221.7275 | 303.221.7276 |
| PR | Earth Engineering Consultants, Inc | 719-442-6813 | 719-447-9635 |
| GC | 1 | 1 | 1 |
| SC | Kleinfelder | 719-632-3593 | 719-632-2648 |
| SC | MacLeod and Associates. LLC | 719-491-4169 | 719-573-6829 |
| GC | Kleinfelder | 719.632.3593 | 719.632.2648 |
| GC | URS Corporation | 719-268-7414 | 719-531-0007 |
| SC | Joseph A. Cesare & Associates | 303.220.0300 | 303.220.0442 |
| GC | IMS | 8584908800 | 8584908811 |
| GC | Wilson & Company | 719-520-5800 | 719-520-0108 |
| SC | CTL I Thompson, Inc. | 719-528-8300 | 719-528-5362 |
| GC | bidnet | 800-677-1997 | 256-955-9237 |
| SC | Geocal, Inc. | 303-337-0338 | 303-337-0247 |
| PR | On-Line Contractor's Network | 719-570-9965 | 719-570-0383 |
| GC | CH2M HILL | 719-633-8805 | 719-634-9959 |