| Great Southwestern Construction INC | 290775 | 314 | 357 | InterstateHazmat |
| Douglas County School District | 1378849 | 263 | 192 | Intrastate |
| Elite Surface Infrastructure | 918263 | 176 | 166 | InterstateHazmat |
| Town Of Castle Rock | 903786 | 109 | 82 | Intrastate |
| Douglas County | 1144586 | 63 | 110 | Intrastate |
| Colorado Powerline INC | 1599073 | 51 | 60 | Interstate |
| Kolbe Striping LLC | 323132 | 43 | 40 | Interstate |
| Commnet Wireless LLC | 3541596 | 22 | 23 | InterstateHazmat |
| T Lowell Construction INC | 1101516 | 21 | 16 | InterstateHazmat |
| Westside Towing | 788366 | 18 | 11 | Interstate |
| Foothills Utility Contracting INC | 1618961 | 16 | 12 | Intrastate |
| Paramount Utility Corporation | 2794730 | 14 | 4 | Interstate |
| Redeker Excavating INC | 1102900 | 11 | 7 | Intrastate |
| Colorado Pump Service & Supply CO | 1310792 | 11 | 6 | Intrastate |
| Advanced Floor Concepts LLC | 1134277 | 10 | 10 | Intrastate |
| Douglas County Maintenance & Repair LLC | 1292569 | 10 | 6 | Intrastate |
| Rocky Mountain Precision Services INC | 4364206 | 10 | 6 | Intrastate |
| Team Truckers Logistics INC | 3977175 | 9 | 11 | Intrastate |
| Land & Plow Trucking LLC | 4129844 | 9 | 12 | Intrastate |
| B & D Foundations INC | 965224 | 8 | 8 | Intrastate |
| Hier Drilling CO | 1203310 | 8 | 11 | Intrastate |
| Traffic Control West INC | 2144006 | 8 | 5 | Intrastate |
| Grizzly Landscape & Fence LLC | 4432658 | 8 | 3 | Intrastate |
| Summit Contracting Asphalt & Concrete | 4534679 | 8 | 4 | Intrastate |
| Amped Up Power Solutions | 7620659 | 8 | 4 | Interstate |
| H & H Towing | 1070016 | 7 | 12 | Intrastate |
| Tricon 2 LLC | 1531188 | 7 | 5 | Intrastate |
| Cql 2000 Constructors LLC | 1650463 | 7 | 7 | Intrastate |
| Nelson Lawnscapes Colorado Waterscapes | 3327994 | 7 | 5 | Intrastate |
| Concrete Pumping Services Form Shufflers | 3947258 | 7 | 4 | Intrastate |
| Gm Logistics LLC | 4286850 | 7 | 9 | Interstate |
| Cova Tree INC | 4488214 | 7 | 14 | Intrastate |
| Ray's Collision INC | 1604501 | 6 | 6 | Intrastate |
| Wholesale Rock And Stone | 1960181 | 6 | 16 | Intrastate |
| Distribution System Resources Ltd | 2396698 | 6 | 9 | Intrastate |
| Knothead Tree And Lawn Care LLC | 3189400 | 6 | 6 | Intrastate |
| Dannys Landscaping & Construction | 3818951 | 6 | 6 | Intrastate |
| College Hunks Hauling Junk & Moving | 3843295 | 6 | 5 | Interstate |
| Castle Pines Winnelson Company | 1453733 | 5 | 3 | Intrastate |
| Jsc Property Maintenance | 1510540 | 5 | 4 | Intrastate |
| Js Enterprises | 1873093 | 5 | 6 | Intrastate |
| Cre Design Engineering INC | 2532247 | 5 | 5 | Intrastate |
| Nulight INC | 3421895 | 5 | 10 | Intrastate |
| Ludwig Drilling LLC | 3643137 | 5 | 10 | Interstate |
| Smh West LLC | 3832074 | 5 | 11 | Intrastate |
| Cep Group Landscaping | 5178967 | 5 | 2 | Intrastate |
| Stevens Excavating INC | 323711 | 4 | 5 | IntrastateHazmat |
| Insulation Services INC | 896607 | 4 | 3 | Intrastate |
| A S & D Construction LLC | 964794 | 4 | 4 | Intrastate |
| Bryan R Wood | 1100531 | 4 | 1 | Intrastate |
| Construction | 1100540 | 4 | 4 | Intrastate |
| Douglas Lumber | 1101203 | 4 | 4 | Intrastate |
| Max Heacock Construction INC | 1134068 | 4 | 2 | Intrastate |
| Norden Pump Service INC | 1160638 | 4 | 6 | Intrastate |
| Afab Const INC | 1621423 | 4 | 1 | Intrastate |
| Aquatic Chemical Solutions INC | 1834519 | 4 | 1 | Intrastate |
| Butter Braid | 1882993 | 4 | 6 | Interstate |
| High Country Marble | 1978072 | 4 | 3 | Intrastate |
| Max Waste Solutions LLC | 2050531 | 4 | 2 | Intrastate |
| Conquest Carriers INC | 2353579 | 4 | 4 | InterstateHazmat |
| Ambient Solutions LLC | 4022936 | 4 | 4 | Interstate |
| Pro Green Lawn & Landscape INC | 4166097 | 4 | 6 | Intrastate |
| Moore Trucking | 796060 | 3 | 3 | Intrastate |
| Echols Olson INC | 961362 | 3 | 2 | Intrastate |
| Sunset Stone INC | 1114784 | 3 | 2 | Intrastate |
| Dc Foundation Forming | 1361404 | 3 | 2 | Intrastate |
| Chatfield Towing Specialists | 1364357 | 3 | 4 | Intrastate |
| Colorado Property Care LLC | 1406859 | 3 | 3 | Intrastate |
| Jaustin Excavating INC | 1469014 | 3 | 3 | Intrastate |
| Wrightsman Trenching INC | 1474301 | 3 | 1 | Intrastate |
| Heacock Excavating INC | 1662103 | 3 | 3 | Intrastate |
| Equipment Rental Source LLC | 2323674 | 3 | 4 | Intrastate |
| Affordable Tree Care | 2328495 | 3 | 1 | IntrastateHazmat |
| Queen's Trucking LLC | 3027000 | 3 | 1 | Intrastate |
| Mountain West Landscaping LLC | 3070098 | 3 | 0 | Intrastate |
| Meridian Moving & Storage | 3285650 | 3 | 4 | Interstate |
| Alliance Trucking | 3542220 | 3 | 1 | Intrastate |
| Cutting Edge Pros LLC | 4145896 | 3 | 3 | Intrastate |
| Castle Rock Senior Center | 4243519 | 3 | 55 | Intrastate |
| Sitevac Hydro X LLC | 7933803 | 3 | 3 | Interstate |
| B & H Asphalt Paving LLC | 748299 | 2 | 2 | Interstate |
| Top Car Haulers | 927281 | 2 | 2 | Intrastate |
| Jesse's Fine Grading | 966025 | 2 | 4 | Intrastate |
| Ramsour III Trucking LLC | 1028139 | 2 | 3 | Intrastate |
| Castel Rock Winnelson CO | 1105574 | 2 | 4 | Intrastate |
| Progressive Construction INC | 1110217 | 2 | 2 | Intrastate |
| Woodward Excavation INC | 1161569 | 2 | 1 | Intrastate |
| Castle Rock Crane Service | 1187078 | 2 | 2 | Intrastate |
| Cline Utility Contractors INC | 1223605 | 2 | 1 | Intrastate |
| Merritt Colorado LLC | 1267358 | 2 | 3 | Intrastate |
| R Orange Engineering LLC | 1282381 | 2 | 3 | Interstate |
| Pro Plumbing Services INC | 1305501 | 2 | 2 | Intrastate |
| Tree Huggers LLC | 1311228 | 2 | 1 | Intrastate |
| Stone Canyon Construction INC | 1323336 | 2 | 1 | Intrastate |
| Armstrong Builders | 1333796 | 2 | 1 | Intrastate |
| Palm's Concrete And Landscaping INC | 1364070 | 2 | 2 | Intrastate |
| Country Club Castle Pines | 1375493 | 2 | 2 | Intrastate |
| The Pampered Puppy | 1460254 | 2 | 2 | Intrastate |
| Castle Pines Golf Club INC | 1495831 | 2 | 5 | Intrastate |
| Western Stone & Tile INC | 1535781 | 2 | 2 | Intrastate |