| National Rank | Company Name | 3-Year Growth | Economic Sector | Employees | City |
| 41 | GoLive! Mobile | 4526% | Media | 102 | Parker |
| 60 | Rivet Software | 3467% | Software | 379 | Denver |
| 70 | OtterBox | 3179% | Consumer Products & Services | 270 | Fort Collins |
| 99 | Smashburger | 2673% | Food & Beverage | 780 | Denver |
| 144 | SurveyGizmo | 1940% | Software | 25 | Boulder |
| 146 | BuyMyTronics.com | 1900% | Consumer Products & Services | 9 | Denver |
| 173 | Providigm | 1717% | Health | 39 | Centennial |
| 191 | Tradavo | 1578% | Food & Beverage | 12 | Lakewood |
| 247 | New West Technologies | 1297% | Government Services | 175 | Greenwood Village |
| 323 | Vivax Pro Painting | 1025% | Construction | 25 | Littleton |
| 327 | Praemittias Group | 1012% | Government Services | 130 | Highlands Ranch |
| 357 | Methodical | 952% | Government Services | 14 | Denver |
| 447 | Albeo Technologies | 776% | Manufacturing | 18 | Boulder |
| 483 | Ayuda Management | 717% | Government Services | 37 | Broomfield |
| 556 | Travelers Haven | 603% | Business Products & Services | 30 | Denver |
| 611 | Eco-Products | 532% | Manufacturing | 50 | Boulder |
| 652 | Coolerado | 489% | Manufacturing | 38 | Denver |
| 660 | Four Winds Interactive | 482% | Software | 140 | Denver |
| 715 | ShopAtHome.com | 442% | Retail | 48 | Greenwood Village |
| 723 | rentbits.com | 435% | Real Estate | 18 | Englewood |
| 759 | Monarch | 415% | Construction | 25 | Englewood |
| 784 | Rally Software | 400% | Software | 233 | Boulder |
| 909 | IP5280 Communications | 335% | Telecommunications | 21 | Englewood |
| 953 | The WireNut | 320% | Construction | 26 | Colorado Springs |
| 956 | Innovar Group | 318% | Human Resources | 98 | Greenwood Village |
| 1031 | Luca Technologies | 295% | Energy | 73 | Golden |
| 1033 | Razor Technical Staffing | 294% | Human Resources | 103 | Denver |
| 1057 | NewsGator Technologies | 286% | Software | 85 | Denver |
| 1076 | HPC Solutions | 281% | Government Services | 32 | Lakewood |
| 1077 | Triunity Engineering & Management | 281% | Engineering | 28 | Denver |
| 1146 | Advanced Assembly | 259% | Engineering | 64 | Aurora |
| 1160 | Bonanza Creek Energy | 256% | Energy | 65 | Denver |
| 1196 | Universal Mind | 246% | Business Products & Services | 59 | Golden |
| 1248 | ProDPI | 234% | Business Products & Services | 36 | Englewood |
| 1260 | Snikiddy | 231% | Food & Beverage | 10 | Boulder |
| 1263 | Chromatic Technologies | 230% | Manufacturing | 33 | Colorado Springs |
| 1302 | CorePower Yoga | 222% | Retail | 673 | Denver |
| 1346 | Delta Disaster Services | 212% | Construction | 25 | Arvada |
| 1389 | Best Practice Systems | 204% | Business Products & Services | 44 | Englewood |
| 1392 | Blu Sky Restoration Contractors | 204% | Construction | 108 | Centennial |
| 1410 | Rocky Mountain Vacation Rentals | 201% | Travel | 35 | Vail |
| 1427 | RTL Networks | 197% | IT Services | 65 | Denver |
| 1434 | Maxx Sunglasses | 196% | Retail | 39 | Monument |
| 1448 | Integware | 194% | Software | 149 | Fort Collins |
| 1478 | ShipCompliant | 189% | Software | 29 | Boulder |
| 1494 | My Wireless | 186% | Retail | 104 | Steamboat Springs |
| 1525 | Oxi Fresh Carpet Cleaning | 182% | Consumer Products & Services | 31 | Denver |
| 1536 | Intelligent Software Solutions | 180% | Government Services | 528 | Colorado Springs |
| 1562 | First Western Financial | 176% | Financial Services | 170 | Denver |
| 1625 | Hands-On Labs | 167% | Education | 37 | Englewood |
| 1667 | Postmodern | 162% | Media | 32 | Denver |
| 1692 | EffectiveUI | 159% | Advertising & Marketing | 92 | Denver |
| 1693 | Steven Roberts Original Desserts | 159% | Food & Beverage | 850 | Denver |
| 1702 | Equus Software | 158% | Software | 25 | Denver |
| 1743 | Active Website | 153% | Real Estate | 53 | Lakewood |
| 1754 | Anthem Branding | 152% | Advertising & Marketing | 13 | Boulder |
| 1766 | Pactimo | 151% | Retail | 135 | Greenwood Village |
| 1823 | Camp Bow Wow | 144% | Consumer Products & Services | 24 | Boulder |
| 1841 | Pinnacle Mountain Homes | 142% | Construction | 12 | Breckenridge |
| 1947 | Alpine Waste & Recycling | 131% | Environmental Services | 174 | Commerce City |
| 2066 | ZAP Engineering & Construction Services | 122% | Engineering | 38 | Lakewood |
| 2075 | Blue Moon Works | 122% | Advertising & Marketing | 18 | Denver |
| 2078 | Global Technology Resources | 121% | IT Services | 193 | Denver |
| 2116 | Faction Media | 119% | Advertising & Marketing | 35 | Denver |
| 2202 | Accuvant | 114% | Security | 300 | Denver |
| 2186 | Market Force Information | 114% | Advertising & Marketing | 390 | Louisville |
| 2214 | Location3 Media | 112% | Advertising & Marketing | 52 | Denver |
| 2225 | Cloud 9 Living | 111% | Business Products & Services | 8 | Boulder |
| 2237 | Catalyst Repository Systems | 110% | Software | 110 | Denver |
| 2260 | DrillSpot.com | 108% | Retail | 21 | Boulder |
| 2268 | EnergyLogic | 108% | Energy | 32 | Berthoud |
| 2277 | Advisors Asset Management | 107% | Financial Services | 335 | Monument |
| 2297 | Amadeus Consulting | 106% | IT Services | 60 | Boulder |
| 2383 | Alpine Access | 101% | Business Products & Services | 4514 | Denver |
| 2412 | iModerate Research Technologies | 99% | Business Products & Services | 42 | Denver |
| 2408 | Workforce Insight | 99% | Human Resources | 36 | Denver |
| 2413 | RocketTheme | 99% | Software | 2 | Golden |
| 2442 | Intela | 97% | Advertising & Marketing | 65 | Boulder |
| 2498 | Latisys | 94% | IT Services | 136 | Englewood |
| 2535 | Egg Strategy | 93% | Advertising & Marketing | 42 | Boulder |
| 2601 | Hosting.com | 89% | IT Services | 314 | Denver |
| 2662 | Bross Group | 86% | IT Services | 28 | Lakewood |
| 2705 | M & E Painting | 83% | Consumer Products & Services | 14 | Loveland |
| 2724 | ReadyTalk | 82% | Software | 119 | Denver |
| 2757 | Sanity Solutions | 81% | IT Services | 10 | Denver |
| 2765 | Transzap | 81% | Software | 60 | Denver |
| 2836 | S.A. Technology | 76% | Government Services | 129 | Loveland |
| 2831 | Novus Biologicals | 76% | Health | 48 | Littleton |
| 2840 | LINX | 76% | Telecommunications | 158 | Denver |
| 2867 | Tandem Select | 75% | Human Resources | 48 | Fort Collins |
| 2934 | 90octane | 72% | Advertising & Marketing | 35 | Denver |
| 2928 | Tundra Specialties | 72% | Business Products & Services | 80 | Boulder |
| 2925 | Gorilla Logic | 72% | Software | 23 | Broomfield |
| 3004 | Bradsby Group | 68% | Human Resources | 60 | Denver |
| 3068 | Solve IT | 66% | IT Services | 16 | Lakewood |
| 3088 | Outskirts Press | 65% | Consumer Products & Services | 3 | Parker |
| 3096 | Discovery Outsourcing | 65% | Human Resources | 3900 | Greenwood Village |
| 3077 | Avalanche Mechanical | 65% | Construction | 45 | Westminster |
| 3118 | DatamanUSA | 64% | IT Services | 50 | Centennial |
| 3099 | Bennett Wagner & Grody Architects | 64% | Construction | 40 | Denver |
| 3128 | Infinity Systems Engineering | 63% | Government Services | 77 | Colorado Springs |
| 3154 | ISYS Technologies | 63% | Government Services | 140 | Littleton |
| 3187 | Noodles & Company | 62% | Food & Beverage | 5444 | Broomfield |
| 3171 | Delta Solutions & Strategies | 62% | Government Services | 78 | Colorado Springs |
| 3201 | Radiometrics | 61% | Manufacturing | 20 | Boulder |
| 3191 | Synkera Technologies | 61% | Engineering | 19 | Longmont |
| 3218 | Aspenware Internet Solutions | 61% | IT Services | 17 | Greenwood Village |
| 3231 | ePlan Services | 60% | Financial Services | 42 | Denver |
| 3300 | Braxton Technologies | 57% | Government Services | 80 | Colorado Springs |
| 3330 | UpperRanchCo | 56% | Human Resources | 7 | Aspen |
| 3357 | Emergenetics International | 55% | Business Products & Services | 10 | Centennial |
| 3547 | Unison Systems | 48% | IT Services | 150 | Greenwood Village |
| 3526 | Adperio | 48% | Advertising & Marketing | 49 | Denver |
| 3618 | Business Network Consulting | 45% | IT Services | 45 | Denver |
| 3608 | Homewatch International | 45% | Health | 23 | Greenwood Village |
| 3668 | Linhart Public Relations | 43% | Advertising & Marketing | 24 | Denver |
| 3710 | Triple Creek | 41% | Software | 31 | Greenwood Village |
| 3722 | Appliance Factory Outlet | 41% | Retail | 253 | Denver |
| 3783 | Baxa | 39% | Health | 550 | Englewood |
| 3871 | Dean Evans & Associates | 36% | Software | 51 | Greenwood Village |
| 3966 | AccuCode | 33% | IT Services | 42 | Centennial |
| 4079 | Implant & General Dentistry of N CO | 30% | Health | 18 | Loveland |
| 4175 | Energy Central | 27% | Media | 42 | Aurora |
| 4173 | American Exteriors | 27% | Construction | 305 | Littleton |
| 4190 | ClickBank | 26% | Advertising & Marketing | 83 | Broomfield |
| 4233 | All Copy Products | 25% | Business Products & Services | 187 | Denver |
| 4277 | MCAD Technologies | 24% | Business Products & Services | 27 | Lakewood |
| 4278 | CH2M HILL | 24% | Construction | 23500 | Englewood |
| 4279 | Applied Trust | 24% | IT Services | 23 | Boulder |
| 4285 | Holland & Hart | 24% | Business Products & Services | 389 | Denver |
| 4309 | JG Management Systems | 23% | Government Services | 73 | Grand Junction |
| 4359 | High Energy | 22% | Engineering | 27 | Devner |
| 4362 | Hensley Kim & Holzer | 22% | Business Products & Services | 30 | Denver |
| 4409 | SAFEbuilt | 21% | Government Services | 66 | Loveland |
| 4448 | Catalyst Solutions | 19% | Health | 131 | Denver |
| 4514 | hrQ | 17% | Human Resources | 10 | Denver |
| 4616 | ASD | 14% | Manufacturing | 47 | Boulder |
| 4613 | AdvenTech | 14% | IT Services | 40 | Denver |
| 4678 | Alexa's Angels | 13% | Retail | 14 | Windsor |
| 4702 | Housing Helpers | 12% | Real Estate | 25 | Boulder |
| 4813 | Syncroness | 9% | Engineering | 52 | Westminster |
| 4824 | City Wide Maintenance of Colorado | 8% | Business Products & Services | 11 | Denver |
| 4973 | Rocky Mountain Sanitation | 3% | Environmental Services | 20 | Grand Junction |
| 4996 | SofTec Solutions | 2% | IT Services | 335 | Englewood |