| Arrow Electronics | — | public | ARW | $31B (FY 2025) |
| Ball Corporation | — | public | BALL | $11B (FY 2017) |
| Crocs | — | public | CROX | $4.0B (FY 2025) |
| DaVita Inc. | Healthcare | public | DVA | $14B (FY 2025) |
| EchoStar | Telecom | public | ECHO | $15B (FY 2025) |
| Gaia, Inc | — | public | GAIA | $99M (FY 2025) |
| Liberty Global | — | public | LBTYA | $4.9B (FY 2025) |
| National CineMedia | Media | public | NCMI | $243M (FY 2026) |
| Ovintiv Inc. | — | public | OVV | $8.7B (FY 2025) |
| Palantir | Technology | public | PLTR | $4.5B (FY 2025) |
| Qwest | Telecom | subsidiary | CTGG | $4.5B (FY 2025) |
| RE/MAX | Real Estate | public | RMAX | $292M (FY 2025) |
| TTEC Holdings, Inc. | — | public | TTEC | $2.1B (FY 2025) |
| Vail Resorts | — | public | MTN | $3.0B (FY 2025) |
| Western Union | Finance, Telecom | public | WU | $3.9B (FY 2025) |
| Woodward, Inc. | Aerospace Defense | public | WWD | $3.6B (FY 2025) |
| Antero Resources | Energy | public | AR | $5.3B (FY 2025) |
| Chipotle Mexican Grill | Food and Beverage | public | CMG | $12B (FY 2025) |
| Ibotta | Technology, Professional Services | public | IBTA | $342M (FY 2025) |
| Liberty Media | Media | public | FWONA | $4.5B (FY 2025) |
| Natural Grocers by Vitamin Cottage, Inc | Retail | public | NGVC | $1.3B (FY 2025) |
| Noodles & Company | Retail | public | NDLS | $495M (FY 2025) |
| Aimco | Finance, Real Estate | public | — | — |
| Backflip Studios | — | public | — | — |
| DigitalGlobe | — | public | — | — |
| Dish Network | Media | public | — | — |
| Exede | — | public | — | — |
| Frontier Airlines | — | subsidiary | — | — |
| Level 3 Communications | Telecom | public | — | — |
| Molson Coors Brewing Company | — | public | — | — |
| Mushkin | Technology | public | — | — |
| Newmont Mining Corporation | Energy | public | — | — |
| Public Service Company of Colorado | Energy | public | — | — |
| Qurate Retail Group | Media | public | — | — |
| Red Robin | Food and Beverage | public | — | — |
| Samsonite | — | public | — | — |
| Terra Soft Solutions | — | public | — | — |
| VF Corporation | Consumer Goods | public | — | — |
| Air Methods | — | public | — | — |
| DCP Midstream Partners, LP | Energy | public | — | — |
| Dex Media | Media | public | — | — |
| Dynamic Materials Corporation | — | public | — | — |
| Einstein Bros. Bagels | Food and Beverage | subsidiary | — | — |
| Gates Corporation | Transportation | public | — | — |
| Janus Capital Group | Finance | public | — | — |
| MDC Holdings | — | public | — | — |
| Novus Biologicals | Technology, Healthcare | public | — | — |
| Rocky Mountain Chocolate | — | public | — | — |
| TransMontaigne | Energy | public | — | — |
| Zynex | Technology, Healthcare | public | — | — |
| Big O Tires | — | private | — | — |
| Budget Truck Rental | Transportation | private | — | — |
| Ciber | Professional Services | private | — | — |
| City Market | Retail | subsidiary | — | — |
| Colorado Pacific Railroad | — | — | — | — |
| Colorado Pacific Rio Grande Railroad | — | — | — | — |
| Coors Brewing Company | — | subsidiary | — | — |
| CoorsTek | — | private | — | — |
| CSG International | — | private | — | — |
| eBags | Retail | private | — | — |
| Envision Healthcare | Healthcare | private | — | — |
| FreeBSD Foundation | — | — | — | — |
| FreeWave Technologies | — | private | — | — |
| Great Lakes Aircraft Company | Aerospace Defense | private | — | — |
| Hammond's Candies | — | — | — | — |
| JBS USA | — | private | — | — |
| Jeppesen | Aerospace Defense | private | — | — |
| King Soopers | Retail | subsidiary | — | — |
| Kroenke Sports & Entertainment | — | private | — | — |
| LaMar's Donuts | — | — | — | — |
| Leprino Foods | Manufacturing, Food and Beverage | private | — | — |
| MapQuest | — | private | — | — |
| Mrs. Fields' Original Cookies Inc. | — | private | — | — |
| Navis Logistics Network | — | private | — | — |
| PCL Construction | Real Estate | private | — | — |
| PopSockets | — | private | — | — |
| PostNet | — | private | — | — |
| Qdoba Mexican Grill | Energy | — | — | — |
| Quark | Technology | private | — | — |
| Quiznos | Food and Beverage | — | — | — |
| Rio Grande Southern Railroad | — | private | — | — |
| Silverton Railroad | — | — | — | — |
| Smashburger IP Holder LLC | — | — | — | — |
| SparkFun Electronics | Technology | private | — | — |
| Sports Authority | Retail | private | — | — |
| Spyder | — | subsidiary | — | — |
| System76 | Technology | private | — | — |
| The Anschutz Corporation | — | private | — | — |
| The Broadmoor Manitou and Pikes Peak Cog Railway | — | private | — | — |
| The North Face | Retail, Consumer Goods | subsidiary | — | — |
| Verio | — | subsidiary | — | — |
| Village Inn | Food and Beverage | private | — | — |
| Webroot | Technology | private | — | — |
| WhiteWave Foods | Food and Beverage | subsidiary | — | — |
| Xero Shoes | — | private | — | — |
| Aerocar 2000 | — | — | — | — |
| Agloves | — | private | — | — |
| Alterra Mountain Company | — | private | — | — |
| American Furniture Warehouse | — | private | — | — |
| American Medical Response | Healthcare | private | — | — |
| AppExtremes | Technology | private | — | — |
| Argentine Central Railway | — | — | — | — |
| Arrowhead Mills | — | — | — | — |
| Aspen Skiing Company | — | private | — | — |
| Avery Brewing Company | — | private | — | — |
| BiggerPockets | — | — | — | — |
| Boston Market | Energy | private | — | — |
| Breckenridge Brewery | — | private | — | — |
| Cadillac and Lake City Railway | — | — | — | — |
| Celestial Seasonings | — | private | — | — |
| Cherwell Software | Technology | private | — | — |
| Chocolove | — | — | — | — |
| Colorado and Southern Railway | — | private | — | — |
| Colorado and Wyoming Railway | — | subsidiary | — | — |
| Colorado Central Railroad | — | private | — | — |
| Colorado Interstate Gas | — | private | — | — |
| Colorado Midland Railway | — | private | — | — |
| Colorado Springs and Cripple Creek District Railway | — | — | — | — |
| Colorado Springs and Interurban Railway | — | — | — | — |
| Corporate Express | — | private | — | — |
| Cox Models | — | private | — | — |
| CraftWorks Restaurants & Breweries | Energy | private | — | — |
| Cripple Creek and Victor Narrow Gauge Railroad | — | — | — | — |
| Datavail | — | private | — | — |
| Denver and Intermountain Railroad | — | private | — | — |
| Denver and New Orleans Railroad | — | private | — | — |
| Denver and Rio Grande Western Railroad | — | private | — | — |
| Denver and Salt Lake Railway | — | private | — | — |
| Denver Pacific Railway and Telegraph Company | — | — | — | — |
| Denver Rock Island Railroad | — | private | — | — |
| Denver, South Park and Pacific Railroad | — | private | — | — |
| Deseret Power Railway | — | — | — | — |
| Digital First Media | — | private | — | — |
| Discovery Holding Company | Media | subsidiary | — | — |
| Durango and Silverton Narrow Gauge Railroad | — | — | — | — |
| Elevations Credit Union | — | — | — | — |
| Elope, Inc. | — | private | — | — |
| Empower Retirement | Finance | private | — | — |
| Estes Industries | — | subsidiary | — | — |
| Executive Recycling | — | private | — | — |
| FirstBank Holding Co | Finance | private | — | — |
| Florence and Cripple Creek Railroad | — | private | — | — |
| Flying Dog Brewery | — | — | — | — |
| Georgetown Loop Railroad | — | — | — | — |
| Georgetown, Breckenridge and Leadville Railway | — | — | — | — |
| Gilpin Railroad | — | private | — | — |
| Golden Software | Technology | private | — | — |
| Good Times Burgers & Frozen Custard | Food and Beverage | private | — | — |
| Gray Line Worldwide | — | private | — | — |
| Great Divide Brewing Company | — | private | — | — |
| Great Western Railway of Colorado | — | subsidiary | — | — |
| Greeley, Salt Lake and Pacific Railway | — | private | — | — |
| HomeAdvisor | — | private | — | — |
| Johns Manville | Manufacturing | subsidiary | — | — |
| Jolly Rancher | — | private | — | — |
| Keenesburg Direct Railroad | — | private | — | — |
| Key Lime Air | — | — | — | — |
| Kidrobot | — | private | — | — |
| Kong Company | — | private | — | — |
| Lärabar | — | — | — | — |
| Leadville, Colorado and Southern Railroad | — | private | — | — |
| Leopold Bros. | — | private | — | — |
| Liberty Skis | — | private | — | — |
| Little Book Cliff Railway | — | — | — | — |
| Loaf 'N Jug | Retail | subsidiary | — | — |
| Love Grown Foods | — | private | — | — |
| Magpul Industries | — | private | — | — |
| Matchstick Productions | — | private | — | — |
| Midland Terminal Railway | — | — | — | — |
| Mile High Comics | — | private | — | — |
| Museum Store Company | Retail | private | — | — |
| MWH Global | — | private | — | — |
| name.com | — | subsidiary | — | — |
| Never Summer | — | private | — | — |
| New Belgium Brewing Company | — | private | — | — |
| NextMedia Group | Media | private | — | — |
| Odell Brewing Company | Food and Beverage | private | — | — |
| Osprey Packs | — | private | — | — |
| OtterBox | — | — | — | — |
| Paladin Press | — | — | — | — |
| Peach Street Distillers | — | private | — | — |
| ProBuild | — | private | — | — |
| Range Fuels | — | subsidiary | — | — |
| Revolution Bioengineering | — | — | — | — |
| Rio Grande Industries | — | private | — | — |
| Rio Grande Scenic Railroad | — | — | — | — |
| Rock and Rail | — | private | — | — |
| Royal Gorge Route Railroad | — | — | — | — |
| San Luis Central Railroad | — | private | — | — |
| SBR Creative Media | — | — | — | — |
| SCI Fidelity Records | — | — | — | — |
| Silverton Northern Railroad | — | private | — | — |
| Silverton, Gladstone and Northerly Railroad | — | private | — | — |
| Southern San Luis Valley Railroad | — | private | — | — |
| SpotX | — | private | — | — |
| Spyderco | Manufacturing | private | — | — |
| Stranahan's Colorado Whiskey | — | private | — | — |
| Thanasi Foods | Food and Beverage | private | — | — |
| The Unseen Bean | — | private | — | — |
| Uintah Railway | — | private | — | — |
| Union Pacific, Denver and Gulf Railway | — | — | — | — |
| Vectrus | — | private | — | — |
| Ventria Bioscience | Healthcare | private | — | — |
| Warwick Hotels and Resorts | — | private | — | — |
| Water Pik, Inc. | — | private | — | — |
| Western Sugar Cooperative | — | private | — | — |
| Wing-Time | — | private | — | — |
| Wolf Robotics | — | private | — | — |
| Woody's Chicago Style | — | private | — | — |
| Worker Studio | Media | — | — | — |
| Xanterra Travel Collection | — | — | — | — |
| Young Americans Bank | Finance | private | — | — |