| TPThermographic Products INC | Denver | CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| TTThe Taylor River Company Dba Stylite | Fort Collins | CO | Electrical Equipment, Appliance & Component Manufacturing335122 | — | ◇ UNVERIFIED |
| TTThe Turbo Press | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| TCTire Centers INC. | Hudson | CO | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| TDTire Distribution Systems, INC. | Commerce City | CO | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| TITjt INC | Platteville | CO | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| TTolmar | Windsor | CO | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| TDTop Drawer Cabinets | Colorado Springs | CO | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| TITopperscot INC | Denver | CO | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| TITP, Inc. | Broomfield | CO | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| TATranex, a Division of Badger Magnetics, INC | Colorado Springs | CO | Computer and Electronic Product Manufacturing334416 | — | ◇ UNVERIFIED |
| TMTransit Mix Concrete | Pueblo West | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TMTransit Mix of Pueblo | Pueblo | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TMTransit Mix of Pueblo (kolberg Screen) | Pueblo | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TITranspro INC | Denver | CO | Transportation Equipment Manufacturing336000 | — | ◇ UNVERIFIED |
| TPTreehouse Productions, INC. | Frisco | CO | Food Manufacturing311920 | — | ◇ UNVERIFIED |
| TTTrend Technologies INC Colorado Div | Longmont | CO | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| TLTrueguard, LLC | Fort Collins | CO | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| TDTrustile Doors, LLC | Commerce City Area | CO | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| TRTwo Rascals Brewing co LLC | Montrose | CO | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| UCU.e. Compression | Commerce City | CO | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| UEUfp Eaton, LLC | Eaton | CO | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| UAUnited Asphalts - 4306 E 60th Ave | Commerce City | CO | Petroleum and Coal Products Manufacturing324122 | — | ◇ UNVERIFIED |
| UCUnited Companies - United Companies - | Grand Junction | CO | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| UPUnited Printing CORP | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| URUnited Ready Mix - Platteville | Platteville | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| UFUniversal Forest Products - Windsor | Windsor | CO | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| UDU.s. Dept of Energy - Nlr Bio-refinery | Golden Area | CO | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| UDU.s. Dept of Energy - Rfets | Arvada | CO | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
| UQUtz Quality Foods Dba Condor | Denver | CO | Food Manufacturing311919 | — | ◇ UNVERIFIED |
| VHVail Honeywagon - Honeywagon Organics | Wolcott Area | CO | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| VIValco INC | Rocky Ford | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VIValco INC | Canon City | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VIValcrete, INC. - Concrete Batch Plant | Swink Area | CO | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| VBValley Block Loveland Facility | Loveland | CO | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| VBValor- Building 3 | Grand Junction | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| VSVapor Source Hq | Pueblo | CO | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| VCVarra Companies INC Ft Lupton Plant 2 | Fort Lupton | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VFVelcon Filters INC | Colorado Springs | CO | Machinery Manufacturing333414 | — | ◇ UNVERIFIED |
| VUVeridia USA Centennial | Centennial | CO | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| VIVertical, Incorporated | Englewood | CO | Paper Manufacturing322200 | — | ◇ UNVERIFIED |
| VDVie De France Yamazaki INC. | Denver | CO | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| VAVista-pro Automotive LLC | Denver | CO | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| VMVisual Merchandising, INC. | Broomfield | CO | Apparel Manufacturing315999 | — | ◇ UNVERIFIED |
| VHVital HQ, LLC and Vital Industries | Denver | CO | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| WDWalter Drake and Sons Incorporated | Colorado Springs | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| WPWandel Press - Commercial Printing | Denver | CO | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| WMWaste Management of CO - Denver North | Commerce City | CO | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| WMWaste Management of Northern Colorado | Fort Collins | CO | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| WTWave the Grain | Centennial | CO | Food Manufacturing311811 | — | ◇ UNVERIFIED |
