| SSStone Systems of Atlanta | Atlanta | GA | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| SSStone Systems of Central Texas | Austin | TX | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| SSStone Systems of Houston | Houston | TX | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| SSStone Systems of North Texas | Lake Dallas | TX | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| SSStone Systems of South Florida, LLC | Lauderhill | FL | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| SRStrong Ready Mix | Abilene | TX | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| SPSummit Pressed Brick & Tile CO | Pueblo | CO | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| SSSunset Stone | Castle Rock | CO | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| SCSuperior Clay Corporation | Uhrichsville | OH | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| SCSurface Creations of Maine LLC | Portland | ME | Nonmetallic Mineral Product Manufacturing327111 | 20-99 | ◐ LIKELY ACTIVE |
| SRSwarco Reflex, INC. | Mexia | TX | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| SGSwensen Granite Company | Barre | VT | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
| TCTAM Ceramics Group of NY, LLC | Niagara Falls | NY | Nonmetallic Mineral Product Manufacturing327992 | 20-99 | ◐ LIKELY ACTIVE |
| TVTerra Vaults | Gainesville | TX | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| TSTexas Stone Designs | Arlington | TX | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| TBThe Bauer Company INC. | Worthington | PA | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| TCThe Christy Refractories Company L.L.C. | Saint Louis | MO | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| TPThe Pewabic Society, Inc. | Detroit | MI | Nonmetallic Mineral Product Manufacturing327110 | 20-99 | ◐ LIKELY ACTIVE |
| TCToxaway Concrete, INC. | Cashiers | NC | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| TRTransco Ready Mix - Spring | Spring | TX | Nonmetallic Mineral Product Manufacturing327310 | 20-99 | ◐ LIKELY ACTIVE |
| TCTremco Cpg INC. | North Kingstown | RI | Nonmetallic Mineral Product Manufacturing327999 | 20-99 | ◐ LIKELY ACTIVE |
| TGTrulite Glass & Alluminum Solutions | City of Industry | CA | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| TGTrulite Glass and Aluminum Solutions | Indianapolis | IN | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| TGTrulite Glass and Aluminum Solutions | Las Vegas | NV | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| TGTrulite Glass and Aluminum Solutions, LLC | New Berlin | WI | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ◐ LIKELY ACTIVE |
| TATYK America | Clairton | PA | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| UMUnilock Marengo | Marengo | IL | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| UNUnilock New York, Inc. | Brewster | NY | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| UCUnion City | Union City | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| UMUnited Memorial Products, Whittier | Whittier | CA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| URUpstate Refractory Services, Inc. | Newark | NY | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| VIVacuform Incorporated | Sebring | OH | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| VGVBC Group LLC | Spring Lake | MI | Nonmetallic Mineral Product Manufacturing327331 | 20-99 | ◐ LIKELY ACTIVE |
| VRViking Ready Mix/Hanford | Hanford | CA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| VAVirginia Abrasive | Petersburg | VA | Nonmetallic Mineral Product Manufacturing327910 | 20-99 | ◐ LIKELY ACTIVE |
| WCWelding Ceramics LLC | Chattanooga | TN | Nonmetallic Mineral Product Manufacturing327112 | 20-99 | ◐ LIKELY ACTIVE |
| WCWells Concrete Products - Maple Grove | Maple Grove | MN | Nonmetallic Mineral Product Manufacturing327332 | 20-99 | ◐ LIKELY ACTIVE |
| WCWest Carrollton Plant 164 | West Carrollton | OH | Petroleum and Coal Products Manufacturing324121 | 20-99 | ◐ LIKELY ACTIVE |
| WCWhittemore Company, Inc. | Lawrence | MA | Nonmetallic Mineral Product Manufacturing327992 | 20-99 | ◐ LIKELY ACTIVE |
Wieser Concrete Products | Roxana | IL | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
Wieser Concrete Products, INC. | Portage | WI | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| WFWilbert Funeral Services Parsons | Parsons | KS | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| WBWILLE BROTHERS COMPANY- Oak Forest Ready Mix Plant | Oak Forest | IL | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| WNWilliam N. Lamarre Concrete Products, INC. | Greenville | NH | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| WWilson | Wilson | NC | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| WSWisconsin Shower Door | Menomonee Falls | WI | Nonmetallic Mineral Product Manufacturing327211 | 20-99 | ◐ LIKELY ACTIVE |
| WMW.r Meadows of Texas | Fort Worth | TX | Chemical Manufacturing325510 | 20-99 | ◐ LIKELY ACTIVE |
| 1O100 - Ozinga Rmc, Chicago Division | Chicago | IL | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| 1M101 - Milledgeville | Milledgeville | GA | Nonmetallic Mineral Product Manufacturing327420 | 20-99 | ◐ LIKELY ACTIVE |
| 1S102 - Sandersville | Sandersville | GA | Nonmetallic Mineral Product Manufacturing327420 | 20-99 | ◐ LIKELY ACTIVE |