| Flatiron Dragados Constructors INC | 284004 | 107 | 98 | InterstateHazmat |
| Epiroc | 1362678 | 87 | 87 | Interstate |
| Heliqwest International INC | 2200288 | 61 | 25 | Interstate |
| Vargas Property Services INC | 1789380 | 50 | 50 | IntrastateHazmat |
| Construction | 1450089 | 48 | 28 | Interstate |
| Flatiron-Aecon Joint Venture | 8168668 | 41 | 30 | IntrastateHazmat |
| Impact Logistics LLC | 3428142 | 39 | 54 | Interstate |
| Cargorx Dry Capacity | 2562901 | 36 | 72 | InterstateHazmat |
| J & C Foundations INC | 1168904 | 35 | 13 | Intrastate |
| City And County Of Broomfield | 893892 | 25 | 59 | Intrastate |
| Heat Exchange Systems Ltd | 1106026 | 16 | 18 | Intrastate |
| Wazee Crane LLC | 7451089 | 15 | 10 | Interstate |
| All My Sons Moving & Storage Of Boulder | 2629937 | 13 | 15 | Interstate |
| Americanmoving Com | 1253812 | 12 | 8 | Interstate |
| Theisen Sprinkler CO INC | 1094856 | 10 | 10 | Intrastate |
| Sierra Landscaping And Maintenance | 2517165 | 10 | 8 | Intrastate |
| Aaa Waterproofing Front Range INC | 3080455 | 10 | 18 | Interstate |
| Richdell Construction INC | 1153609 | 9 | 9 | Intrastate |
| Geovert LLC | 3097304 | 9 | 20 | Interstate |
| B & M Trucking LLC | 1024052 | 8 | 4 | Intrastate |
| Big Toe Towing LLC | 2437536 | 8 | 5 | InterstateHazmat |
| All Reach Lighting And Electrical Contracting LLC | 3020061 | 8 | 16 | Intrastate |
| Greater Western Fence | 1198800 | 7 | 7 | Intrastate |
| Fresco Electric INC | 1516707 | 7 | 7 | Intrastate |
| The Gas Connection INC | 2180431 | 7 | 10 | Intrastate |
| Wyoco Erosion Control INC | 2779418 | 7 | 5 | IntrastateHazmat |
| Mile High Roll Off Waste Systems | 904299 | 6 | 6 | Intrastate |
| Sci Outdoor Design | 1999335 | 6 | 4 | Intrastate |
| 303 Limos | 2345173 | 6 | 7 | Intrastate |
| Altitude Arborist | 2868643 | 6 | 7 | Intrastate |
| Leap | 9190017 | 6 | 20 | Interstate |
| J & C Drilling | 1168508 | 5 | 4 | Intrastate |
| Jud Caissons INC | 1776869 | 5 | 3 | Intrastate |
| Snack Attack Vending INC | 1854572 | 5 | 3 | Intrastate |
| Lpa Plumbing INC | 1902337 | 5 | 5 | Intrastate |
| Colt & Steel Corporation | 2540442 | 5 | 5 | IntrastateHazmat |
| Advance Towing | 951257 | 4 | 4 | IntrastateHazmat |
| Consolidated Hardwoods INC | 1093978 | 4 | 5 | Intrastate |
| Concrete Const & Engr INC | 1430330 | 4 | 3 | Intrastate |
| D & E Construction INC | 1532660 | 4 | 1 | Intrastate |
| Mountain States Utility Services INC | 1725470 | 4 | 4 | Intrastate |
| R C Anderson Contracting INC | 2578990 | 4 | 2 | IntrastateHazmat |
| Albion Express INC | 2637863 | 4 | 6 | Interstate |
| Bae Systems Space & Mission Systems INC | 4252091 | 4 | 4 | Intrastate |
| Rock Creek Farm | 4276089 | 4 | 4 | Intrastate |
| Colorado Weather Coatings | 4280655 | 4 | 2 | Intrastate |
| Colorado Weather Coatings | 4508574 | 4 | 4 | Intrastate |
| Centurylink | 889990 | 3 | 3 | Interstate |
| Bestway Insulation | 1184953 | 3 | 3 | Intrastate |
| All Around Soil & Stone INC | 1190560 | 3 | 2 | Intrastate |
| Denver Rubbish Removal | 1198287 | 3 | 2 | Intrastate |
| Hi-Ball Crane Service | 1214405 | 3 | 3 | Intrastate |
| The Allen Company | 1220476 | 3 | 5 | Intrastate |
| G W Scott Landscaping INC | 1238671 | 3 | 5 | Intrastate |
| Job Concrete INC | 1424159 | 3 | 7 | Intrastate |
| Master Movers And Delivery Service | 1458239 | 3 | 4 | Intrastate |
| Aqua Serve | 1460845 | 3 | 8 | Intrastate |
| Tjk Services INC | 1503165 | 3 | 5 | Intrastate |
| Jim's Fencing LLC | 1572901 | 3 | 1 | Intrastate |
| Facility Logic | 1616094 | 3 | 3 | Intrastate |
| Barba & Sons Construction INC | 1646201 | 3 | 3 | Intrastate |
| Broomfield Sign Company INC | 1727712 | 3 | 10 | Interstate |
| Kennedy Siteworks LLC | 2194308 | 3 | 2 | Intrastate |
| Rds Environmental INC | 2443183 | 3 | 3 | Intrastate |
| College Student Storage LLC | 2525837 | 3 | 6 | Intrastate |
| Ouray Environmental Services LLC | 3123813 | 3 | 5 | Intrastate |
| Aquality Construction | 3199961 | 3 | 3 | Intrastate |
| Iron Cross Services Company LLC | 3278707 | 3 | 3 | Intrastate |
| Fulcrum Civil & Energy | 3357848 | 3 | 2 | Intrastate |
| Peakview Outdoor Living | 3682693 | 3 | 3 | Intrastate |
| Main Stmovers | 3760925 | 3 | 3 | Intrastate |
| Dragonscapes Outdoor Living & Snow | 3936502 | 3 | 3 | Intrastate |
| Peakview Outdoor Living | 3960923 | 3 | 3 | Intrastate |
| Small Town Drain | 4434663 | 3 | 5 | Interstate |
| Rg Renewal & Creacion | 7264835 | 3 | 1 | Intrastate |
| Carefree Of Colorado | 469192 | 2 | 4 | Interstate |
| Professional Roll Off Services INC | 913046 | 2 | 2 | Intrastate |
| Blue Ribbon Auto Glass | 1131716 | 2 | 2 | Intrastate |
| Fehr's Excavating INC | 1184330 | 2 | 3 | Intrastate |
| Kerwin Plumbing And Heating INC | 1223579 | 2 | 2 | Intrastate |
| Inca Paint & Print | 1232609 | 2 | 1 | Intrastate |
| Green Stock Materials LLC | 1235290 | 2 | 2 | Intrastate |
| Serg's Marble Granite | 1336870 | 2 | 2 | Intrastate |
| Ivan's Custom Tractor Service | 1352100 | 2 | 1 | Intrastate |
| Charles L And Jody L Smith | 1508772 | 2 | 2 | Intrastate |
| Jpg | 1606772 | 2 | 2 | Intrastate |
| Isaac Voth Remodeling | 1635204 | 2 | 2 | Intrastate |
| One A Day Sprinkler | 1641750 | 2 | 1 | Intrastate |
| Kimack Distribution LLC | 1650471 | 2 | 2 | Intrastate |
| Morning Mist Sprinklers & Landscaping INC | 1735292 | 2 | 1 | Intrastate |
| Horacio Lerma | 1819136 | 2 | 2 | Intrastate |
| Mountainside Transport | 2000399 | 2 | 1 | Intrastate |
| Craters And Freighters Of Northern Colorado Colorado Springs | 2158392 | 2 | 3 | Intrastate |
| Precision Seamless Gutters LLC | 2282744 | 2 | 3 | Intrastate |
| Century Chevrolet INC | 2315652 | 2 | 2 | Intrastate |
| Monarch Land Care LLC | 2344975 | 2 | 1 | Intrastate |
| North Denver Cares Food Pantry | 2369340 | 2 | 2 | Intrastate |
| Breath Fresh Exteriors | 2375075 | 2 | 2 | Intrastate |
| Rk Murray CO | 2437787 | 2 | 1 | Intrastate |
| Front Range Gardens | 2523343 | 2 | 3 | Interstate |