Lexmark International INC | Longmont, CO | Chemical Manufacturing325992 | — | ◇ UNVERIFIED |
| MTMatheson Trigas - Longmont Branch | Longmont, CO | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| WFWestern Foundries INC | Longmont, CO | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
Absl Power Solutions, INC. | Longmont, CO | Electrical Equipment, Appliance & Component Manufacturing335910 | — | ◐ LIKELY ACTIVE |
Alta Resource Technologies, INC. | Boulder, CO | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
Bardo Climate INC. | Boulder, CO | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
Bestop Tuffy, LLC | Louisville, CO | Transportation Equipment Manufacturing336390 | — | ◐ LIKELY ACTIVE |
Curve INC | Boulder, CO | Apparel Manufacturing315990 | — | ◐ LIKELY ACTIVE |
Nanoplus America, INC. | Boulder, CO | Computer and Electronic Product Manufacturing334413 | — | ◐ LIKELY ACTIVE |
Pixcell Medical, INC | Longmont, CO | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
Stride Tech Medical INC | Boulder, CO | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| APAvista Pharma Solutions Dba Cambrex | Longmont, CO | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| BRBrannan Rock Creek | Lafayette, CO | Petroleum and Coal Products Manufacturing324121 | 1–19 | ◐ LIKELY ACTIVE |
| CSCelestial Seasonings | Boulder, CO | Food Manufacturing311920 | 100–499 | ◐ LIKELY ACTIVE |
| EPErie Pre-cast | Erie, CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◐ LIKELY ACTIVE |
| MFMicrosemi Frequency and Time CORP | Boulder, CO | Computer and Electronic Product Manufacturing334220 | — | ◐ LIKELY ACTIVE |
| NSNature Soy Holdings - Boulder | Boulder, CO | Food Manufacturing311991 | 20–99 | ◐ LIKELY ACTIVE |
| PMPeterson Machining, INC. | Boulder, CO | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| SServtech | Louisville, CO | Machinery Manufacturing333132 | 100–499 | ◐ LIKELY ACTIVE |
| THThe Honest Stand | Niwot, CO | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| TSThird Street INC. | Louisville, CO | Food Manufacturing311920 | 20–99 | ◐ LIKELY ACTIVE |
| TSTrelleborg Sealing Solutions Us, INC. | Louisville, CO | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| VBVaisala BOU | Louisville, CO | Computer and Electronic Product Manufacturing334519 | 100–499 | ◐ LIKELY ACTIVE |
| WFWoodley's Factory | Longmont, CO | Furniture and Related Product Manufacturing337122 | 20–99 | ◐ LIKELY ACTIVE |
| ABAgc Biologics INC | Boulder, CO | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| ACAir Comm Corporation | Boulder, CO | Transportation Equipment Manufacturing336414 | — | ◐ LIKELY ACTIVE |
| ABArray Biopharma INC | Boulder, CO | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| AEAvedon Engineering INC | Longmont, CO | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| BRBoulder Ready Mix Concrete INC | Boulder, CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| ELEpac LLC - Boulder Plant | Louisville, CO | Printing and Related Support Activities323110 | — | ◐ LIKELY ACTIVE |
| HIHolcim-wcr INC - Francis | Longmont Area, CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| MSMagno Seed - Sugar Beet Seed Processing | Longmont, CO | Chemical Manufacturing325311 | — | ◐ LIKELY ACTIVE |
Molecular Products, INC | Boulder, CO | Chemical Manufacturing325998 | — | ◐ LIKELY ACTIVE |
| NBNoa Brands America - 1460 Overlook Dr | Lafayette, CO | Plastics and Rubber Products Manufacturing326140 | — | ◐ LIKELY ACTIVE |
| REResearch Electro Optics INC | Boulder, CO | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◐ LIKELY ACTIVE |
| THTyco Healthcare Group LP | Boulder, CO | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| VSVac-tec Systems | Boulder, CO | Chemical Manufacturing325414 | — | ◐ LIKELY ACTIVE |
| APAdk Pressure Eqpt | Boulder, CO | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| APAdvanced Probing Systems | Louisville, CO | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| ATAdvanced Thin Films | Boulder, CO | Electrical Equipment, Appliance & Component Manufacturing335999 | — | ◇ UNVERIFIED |
| ABAgc Biologics - 4000 Nelson Rd | Longmont, CO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| AIAggregate Industries - Wcr INC | Louisville, CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| AIAmgen INC | Boulder, CO | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| AFApplied Films CORP | Boulder, CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| BBBall Brothers Research CORP | Boulder, CO | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| BOBartkus Oil CO | Longmont, CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| BOBartkus Oil CO | Boulder, CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| BCBoulder Cty - Veg Flood Debris Mgmt Site | Boulder Area, CO | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| BEBoulder Elec Motor CO | Boulder, CO | Computer and Electronic Product Manufacturing334515 | — | ◇ UNVERIFIED |
| CMCeh Metal Technologies Longmont Division | Longmont, CO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |