| TCThe Concrete Company, LLC | Parker | — | ◇ UNVERIFIED |
| TCThe Countertop Shoppe | Palmer Lake | — | ◇ UNVERIFIED |
| TDThe Davis Whitehall Co | Colorado Springs | — | ◇ UNVERIFIED |
| TDThe Denver Marble Company | Denver | — | ◇ UNVERIFIED |
| TGThe Granite Guy, LLC | Englewood | — | ◇ UNVERIFIED |
| TMThe Marble Shop INC | Carbondale | — | ◇ UNVERIFIED |
| TSThe Stone Shop, INC. | Northglenn | — | ◇ UNVERIFIED |
| TBThoutt Brothers | Denver | — | ◇ UNVERIFIED |
| TITops! in Granite INC. | Colorado Springs | — | ◇ UNVERIFIED |
| TITops in Stone, INC. | Colorado Springs | — | ◇ UNVERIFIED |
| TGTouchstone Granite and Marble | Denver | — | ◇ UNVERIFIED |
| TCTrans Colo Concrete CO Santa Fe Rr Depot | Colorado Springs | — | ◇ UNVERIFIED |
| TMTransit Mix Concrete Company | Pueblo | — | ◇ UNVERIFIED |
| TMTransit Mix Concrete & Materials CO. | Aurora | — | ◇ UNVERIFIED |
| TMTransit Mix Concrete & Materials Company | Colorado Springs | — | ◇ UNVERIFIED |
| TSTribble Stone Holdings LLC | Boulder | — | ◇ UNVERIFIED |
| TBTriple B Concrete | Sedalia | — | ◇ UNVERIFIED |
| TRTri River INC | Hayden, 8.0 Mi Se of | — | ◇ UNVERIFIED |
| TFTrue Finishing LLC | Denver | — | ◇ UNVERIFIED |
| TTTynt Technologies INC | Boulder | — | ◇ UNVERIFIED |
| UGUS Gypsum Company - Denver Joint Plant | Denver | — | ◇ UNVERIFIED |
| VDValco Div-3 | Lamar | — | ◇ UNVERIFIED |
| VIValco INC | Rocky Ford | — | ◇ UNVERIFIED |
| VIValco INC | Rocky Ford | — | ◇ UNVERIFIED |
| VIValco INC | Gunnison County | — | ◇ UNVERIFIED |
| VIValco INC | Rocky Ford 2.0 Mi. E of | — | ◇ UNVERIFIED |
| VIValco, INC. (id #6790) | Otero County | — | ◇ UNVERIFIED |
| VIValco INC Lamar Division | Las Animas | — | ◇ UNVERIFIED |
| VFValdez Flooring & Granite | Denver | — | ◇ UNVERIFIED |
| VPValley Precast, INC. | Buena Vista | — | ◇ UNVERIFIED |
| VCVarra Companies INC. - Batch Plt #5 | Erie | — | ◇ UNVERIFIED |
| VCVarra Companies INC. - Batch Plt #5 | Greeley | — | ◇ UNVERIFIED |
| VCVillalobos Concrete- Port Concrete Plant | Castle Rock | — | ◇ UNVERIFIED |
| VPVillalobos - Portable Concrete Plant | Commerce City | — | ◇ UNVERIFIED |
| VIVitraform, Inc | Denver | — | ◇ UNVERIFIED |
| WSWeaver Stone Company | Windsor | — | ◇ UNVERIFIED |
| WCWestbrook Constr | Cenver | — | ◇ UNVERIFIED |
| WMWestern Mobile Boulder, INC. | Estes Park | — | ◇ UNVERIFIED |
| WMWestern Mobile INC | Greeley | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern Avon Plt | Avon | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern Craig Plt | Craig | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern Glenwood Plant | Glenwood Springs | — | ◇ UNVERIFIED |
| WMWestern Mobile Northern (mtn Mobile Mix) | Meeker | — | ◇ UNVERIFIED |
| WMWestern Mobile Was Flatirons Concrete | Fort Collins | — | ◇ UNVERIFIED |
| WPWestern Paving.cn | Arvada | — | ◇ UNVERIFIED |
| WSWestern Slope Concrete Aka Beaver Bros. | Craig | — | ◇ UNVERIFIED |
| WSWestern Stone Company of Lyons | Lyons | — | ◇ UNVERIFIED |
| WMWilhelm Mounment | Colorado Springs | — | ◇ UNVERIFIED |
| YKY K Marble | Denver | — | ◇ UNVERIFIED |
