| TETire Exchanger | Denver | CO | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| TSTop Shop INC. | Denver | CO | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| TSTop Shop INC. | Denver | CO | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| TGTouchstone Granite and Marble | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TLTreats Ltd | Denver | CO | Food Manufacturing311919 | — | ◇ UNVERIFIED |
| TFTrue Finishing LLC | Denver | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TITrue Identity (was Smith, Nelson & Oatis | Denver | CO | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| TDTrustile Doors LLC | Denver | CO | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| TDTrustile Doors, LLC | Denver | CO | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| TSTruth Skin Health LLC | Denver | CO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| TLTs Labs | Denver | CO | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| UHUdi's Healthy Foods, LLC | Denver | CO | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| UPUnipro Paint Mfg | Denver | CO | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ULUnique Litho | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| URUniversal Rubber Products, INC. | Denver | NC | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| UAUnusual Attitude Brewing, LLC | Denver | CO | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| UGUS Gypsum Company - Denver Joint Plant | Denver | CO | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| UIU.s. Ink, a Division of Sun Chemical Cor | Denver | CO | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| VFValdez Flooring & Granite | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| VSViking Supply Net | Denver | CO | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| VIVitraform, Inc | Denver | CO | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
 Wabash National Trailer Centers, INC. | Denver | CO | Machinery Manufacturing333924 | — | ◇ UNVERIFIED |
| WBWadda Blast LLC | Denver | CO | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| WNWake N Brake Coffee Company, LLC | Denver | CO | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| WCWalker Component Group, Inc. | Denver | CO | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| WBWall Beds Unlimited Raintree | Denver | CO | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| WLWeistado LLC | Denver | CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| W6West 62nd Ave Holdings LLC | Denver | CO | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
 Western Industrial Contractors | Denver | CO | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| WGWhitefish Group Inc. | Denver | CO | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| WLWhite Light, Ltd | Denver | CO | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| WMWhoa Momma Protein | Denver | CO | Food Manufacturing311520 | — | ◇ UNVERIFIED |
| WIWoodgrain INC | Denver | CO | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| WBWoods Boss Brewing Company, LLC | Denver | CO | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| WWWood's Woodworks INC | Denver | CO | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| WRW Ray Crabb INC | Denver | CO | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| YPYellowDog Printing and Graphics, Inc | Denver | CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| YPYellowDog Printing and Graphics, Inc | Denver | CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| YDYG Dental Technique Inc | Denver | CO | Miscellaneous Manufacturing339116 | — | ◇ UNVERIFIED |
| YKY K Marble | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| YSYorker & Sons INC | Denver | CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| ZZümXR | Denver | CO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| ZAZygot Automation, INC. | Denver | CO | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
