| DSDEKI Spirits | Lafayette, CO | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| DLDry Land Distillers | Longmont, CO | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| EEcoEnclose | Louisville, CO | Paper Manufacturing322211 | 20–99 | ◐ LIKELY ACTIVE |
| EAEnerSys ABSL Space Products | Longmont, CO | Electrical Equipment, Appliance & Component Manufacturing335911 | 20–99 | ◐ LIKELY ACTIVE |
| EIEquinox Interscience, INC. | Nederland, CO | Computer and Electronic Product Manufacturing334516 | — | ▲ REPORTED CLOSED |
| FCFerment Cellars, LLC | Boulder, CO | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| FCFlackTek Colorado | Louisville, CO | Machinery Manufacturing333998 | 20–99 | ◐ LIKELY ACTIVE |
| FTFlari Tech INC | Boulder, CO | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| FFFresca Foods - Cherry | Louisville, CO | Food Manufacturing311999 | 100–499 | ◐ LIKELY ACTIVE |
| FFFresca Foods - CTC | Louisville, CO | Food Manufacturing311999 | 100–499 | ◐ LIKELY ACTIVE |
| GPGBS Partners, Inc. | Louisville, CO | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| GLGeotrek LLC | Boulder, CO | Transportation Equipment Manufacturing336213 | 20–99 | ◐ LIKELY ACTIVE |
| GCGreen Chef Corporation- Boulder Head quarters | Boulder, CO | Food Manufacturing311991 | 100–499 | ◐ LIKELY ACTIVE |
| GSGrove Street Alchemy | Longmont, CO | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| HIHipposmith INC | Boulder, CO | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| HDHogback Distillery | Boulder, CO | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| HCHologic Colorado | Louisville, CO | Miscellaneous Manufacturing339112 | 20–99 | ◐ LIKELY ACTIVE |
| HRHoneybee Robotics LLC | Longmont, CO | Transportation Equipment Manufacturing336419 | — | ◐ LIKELY ACTIVE |
| HLHydrapak, LLC. | Longmont, CO | Miscellaneous Manufacturing339920 | — | ◐ LIKELY ACTIVE |
| IPIndian Peaks Brewing Company dba Left Hand Brewing Company | Longmont, CO | Beverage and Tobacco Product Manufacturing312120 | 20–99 | ◐ LIKELY ACTIVE |
| ILInfinival LLC | Superior, CO | Transportation Equipment Manufacturing336419 | — | ◐ LIKELY ACTIVE |
| IDIronton Distillery and Crafthouse | Louisville, CO | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| IIISM2 Inc. | Boulder, CO | Chemical Manufacturing325411 | 20–99 | ◐ LIKELY ACTIVE |
| JAJ and L Distilling Company | Boulder, CO | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| KBKBI Biopharma - Boulder | Boulder, CO | Chemical Manufacturing325412 | 100–499 | ◐ LIKELY ACTIVE |
| LBLexmark - Boulder | Longmont, CO | Chemical Manufacturing325992 | 100–499 | ◐ LIKELY ACTIVE |
| LPLiberty Puzzles | Boulder, CO | Miscellaneous Manufacturing339930 | 100–499 | ◐ LIKELY ACTIVE |
| LCLocust Cider | Boulder, CO | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LLongmont | Longmont, CO | Food Manufacturing311991 | 20–99 | ◐ LIKELY ACTIVE |
| LPLongmont Plant | Longmont, CO | Chemical Manufacturing325120 | 20–99 | ◐ LIKELY ACTIVE |
| LTLongmont Terminal | Longmont, CO | Food Manufacturing311313 | 1–19 | ◐ LIKELY ACTIVE |
| MMMaring Machining & Engineering LLC | Lafayette, CO | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MMedovina | Niwot, CO | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| MCMedtronic Covidien LP | Boulder, CO | Computer and Electronic Product Manufacturing334510 | 500+ | ◐ LIKELY ACTIVE |
| MFMicrosemi FTS Inc (A Microchip Co) | Boulder, CO | Computer and Electronic Product Manufacturing334413 | 20–99 | ◐ LIKELY ACTIVE |
| MLMulsi LLC | Boulder, CO | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| OSOld Style Sausage | Louisville, CO | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| OIOxford Ionics North America INC | Boulder, CO | Computer and Electronic Product Manufacturing334118 | — | ◐ LIKELY ACTIVE |
| PTPage Technologies, INC. | Boulder, CO | Computer and Electronic Product Manufacturing334513 | — | ◐ LIKELY ACTIVE |
| PMParticle Measuring Systems, INC | Niwot, CO | Computer and Electronic Product Manufacturing334513 | — | ▲ REPORTED CLOSED |
| P1Plant 1 | Louisville, CO | Chemical Manufacturing325998 | 20–99 | ◐ LIKELY ACTIVE |
| PWPrimitive Wine | Longmont, CO | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| PProbi--Lafayette | Lafayette, CO | Chemical Manufacturing325411 | 20–99 | ◐ LIKELY ACTIVE |
| QLQSC LLC - Boulder | Boulder, CO | Computer and Electronic Product Manufacturing334310 | 20–99 | ◐ LIKELY ACTIVE |
| RMReady Mixed Concrete Company Lafayette | Lafayette, CO | Nonmetallic Mineral Product Manufacturing327320 | 20–99 | ◐ LIKELY ACTIVE |
| RMRedstone Meadery | Boulder, CO | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| RSRickhouse Spirits Company LLC | Longmont, CO | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| RSRLG - Sticker Giant | Longmont, CO | Paper Manufacturing322220 | 100–499 | ◐ LIKELY ACTIVE |
| RLRMI Laser, LLC | Lafayette, CO | Machinery Manufacturing333517 | 1–19 | ◐ LIKELY ACTIVE |
| SLSandisk Longmont | Longmont, CO | Computer and Electronic Product Manufacturing334112 | 20–99 | ◐ LIKELY ACTIVE |