| SSStone Solutions | Breckenridge | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SWStone Works Marble and Granite | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SOStoneworks of Colorado LLC | Loveland | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SOStoneworks of Colorado, LLC | Aurora | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SRSuburban Reddi-mix - Ft. Lupton Plant | Fort Lupton | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SSSummit Stone Works, INC. | Silverthorne | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SCSundown Clay Company LLC | Grand Junction | CO | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| SCSundt CORP | Cortez | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SGSunnyside Gravel | Carbondale | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SISuperior Interiors of Colorado LLC | Pagosa Springs | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| SISuperior Interiors of Colorado LLC | Cortez | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TSTelluride Stone Company | Whitewater | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TSTezak Stone & Aggregate | Cotopaxi | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TCThe Concrete Company, LLC | Parker | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TCThe Countertop Shoppe | Palmer Lake | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TDThe Davis Whitehall Co | Colorado Springs | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TDThe Denver Marble Company | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TGThe Granite Guy, LLC | Englewood | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TMThe Marble Shop INC | Carbondale | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TSThe Stone Shop, INC. | Northglenn | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TBThoutt Brothers | Denver | CO | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| TITops! in Granite INC. | Colorado Springs | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TITops in Stone, INC. | Colorado Springs | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TGTouchstone Granite and Marble | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TCTrans Colo Concrete CO Santa Fe Rr Depot | Colorado Springs | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TMTransit Mix Concrete Company | Pueblo | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TMTransit Mix Concrete & Materials CO. | Aurora | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TMTransit Mix Concrete & Materials Company | Colorado Springs | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TSTribble Stone Holdings LLC | Boulder | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TBTriple B Concrete | Sedalia | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TRTri River INC | Hayden, 8.0 Mi Se of | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| TFTrue Finishing LLC | Denver | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TTTynt Technologies INC | Boulder | CO | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| UGUS Gypsum Company - Denver Joint Plant | Denver | CO | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| VDValco Div-3 | Lamar | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VIValco INC | Gunnison County | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VIValco INC | Rocky Ford | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VIValco INC | Rocky Ford 2.0 Mi. E of | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VIValco INC | Rocky Ford | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VIValco, INC. (id #6790) | Otero County | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VIValco INC Lamar Division | Las Animas | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VFValdez Flooring & Granite | Denver | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| VPValley Precast, INC. | Buena Vista | CO | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| VCVarra Companies INC. - Batch Plt #5 | Greeley | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VCVillalobos Concrete- Port Concrete Plant | Castle Rock | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VPVillalobos - Portable Concrete Plant | Commerce City | CO | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| VIVitraform, Inc | Denver | CO | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| WSWeaver Stone Company | Windsor | CO | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| WCWestbrook Constr | Cenver | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| WMWestern Mobile Boulder, INC. | Estes Park | CO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
