| DCDakolios Const Portable | Denver | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
 Daktronics, INC. | Denver | CO | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| DIDalco Industries, INC. | Denver | CO | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| DBDanico Brewing Company, LLC | Denver | CO | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| DCDecorative & Coating Systems INC | Denver | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| DBDenpak Building Products INC | Denver | CO | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| DBDenver Bias INC | Denver | CO | Apparel Manufacturing315210 | — | ◇ UNVERIFIED |
| DBDenver Bias, INC | Denver | CO | Apparel Manufacturing315210 | — | ◇ UNVERIFIED |
| DBDenver Bookbinding CO | Denver | CO | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |
| DCDenver Corridor | Denver | CO | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| DFDenver Federal Center | Denver | CO | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| DMDenver Marble Concepts | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| DPDenver Post | Denver | CO | Paper Manufacturing322122 | — | ◇ UNVERIFIED |
| DSDenver Syrup & Bar Supply, INC. | Denver | CO | Food Manufacturing311930 | — | ◇ UNVERIFIED |
| DWDenver Woodworking CO | Denver | CO | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| DLDik & Lu 2365 LLC | Denver | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| DLDirect Lumber and Door of Colorado | Denver | CO | Wood Product Manufacturing321214 | — | ◇ UNVERIFIED |
| DSDmd Stainless Fabricators | Denver | CO | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| DLDualDraw, LLC | Denver | CO | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| DVDynacorp Ventures LLC | Denver | CO | Machinery Manufacturing333993 | — | ◇ UNVERIFIED |
| EIEcolog INC. | Denver | CO | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| EAEconomy Asphalt & Concrete Services, LLC | Denver | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| EREj Renner & Assoc | Denver | CO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ESElevated State of Design LLC | Denver | CO | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| EDEngineered Data Products | Denver | CO | Fabricated Metal Product Manufacturing332618 | — | ◇ UNVERIFIED |
| EMEnvironmental Materials LLC | Denver | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| EDEps Doublet | Denver | CO | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| EMErickson Metals of Colorado, INC. | Denver | CO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| EUeTuk USA, LLC | Denver | CO | Food Manufacturing311821 | — | ◇ UNVERIFIED |
| EMEuropean Marble Co., INC. | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| FLFabrications, LLC | Denver | CO | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| FUFarmers Union Coop | Denver | CO | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| FCFasick Concrete, INC. | Denver | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| FCFasick Concrete, INC. | Denver | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| FFFerrie Franzmann Industries, LLC | Denver | CO | Machinery Manufacturing333613 | — | ◇ UNVERIFIED |
| FRFlanagan Ready Mix LTD | Denver | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| FFlapJacked | Denver | CO | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| FCFlatiron Const -port Concrete Batch Plnt | Denver | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| FCFlatiron Construction - Dia Batch Plant | Denver | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| FCFlexRock Coatings | Denver | CO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| FIFlint Ink CORP | Denver | CO | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| FCFluent Conveyors LLC Dba Baling Wire Direct (balingwiredirect | Denver | CO | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| FMFreeway Marble & Granite | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| FMFreeway Marble & Granite | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| FPFrisco Pallet LLC | Denver | CO | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| GSGates & Sons (was Karl W Schmidt Assoc I | Denver | CO | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| GTGates Tire CO (deleted) | Denver | CO | Plastics and Rubber Products Manufacturing326211 | — | ◇ UNVERIFIED |
| GBGB Bangers and Pies, LLC | Denver | CO | Food Manufacturing311412 | — | ◇ UNVERIFIED |
| GHGerald H. Phipps (con-e-co Lo Pro Cbp) | Denver | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| GCGolden Concrete (hagenator Cbp) | Denver | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
