Abrasive Technology, LLC | Lewis Center | OH | Nonmetallic Mineral Product Manufacturing327910 | — | ● ACTIVE |
| ABAcme Brick CO - Denton Plant | Denton | TX | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ● ACTIVE |
| ABAcme Brick Company - Jonesboro Plant | Jonesboro | AR | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ● ACTIVE |
| ABAcme Brick CO Oklahoma City | Oklahoma City | OK | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ● ACTIVE |
Advanced Glass Industries, INC. | Rochester | NY | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ● ACTIVE |
Advanced Technical Ceramics Company | Chattanooga | TN | Nonmetallic Mineral Product Manufacturing327113 | 100-499 | ● ACTIVE |
Allied Mineral Products LLC | Columbus | OH | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ● ACTIVE |
Alluxa, INC. | Santa Rosa | CA | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ● ACTIVE |
| AGAmerican Gypsum Sc LLC | Georgetown | SC | Nonmetallic Mineral Product Manufacturing327420 | 100-499 | ● ACTIVE |
| AGAnchor Glass Container Corporation | Lawrenceburg | IN | Nonmetallic Mineral Product Manufacturing327213 | 100-499 | ● ACTIVE |
| AGArdagh Glass INC. (port Allegany) | Port Allegany | PA | Nonmetallic Mineral Product Manufacturing327213 | 100-499 | ● ACTIVE |
| AWArmstrong World Industries INC | Macon | GA | Nonmetallic Mineral Product Manufacturing327122 | 100-499 | ● ACTIVE |
| AWArmstrong World Industries INC - Millwood Facility | Millwood | WV | Nonmetallic Mineral Product Manufacturing327993 | 20-99 | ● ACTIVE |
Bent Glass Design, INC. | Hatboro | PA | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ● ACTIVE |
Berryman Products, INC. | Arlington | TX | Chemical Manufacturing325998 | — | ● ACTIVE |
| BCBestway Concrete CO - Denver | Denver | CO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ● ACTIVE |
Bethlehem Pre-cast INC | Bethlehem | PA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ● ACTIVE |
Bond Optics, LLC | Lebanon | NH | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ● ACTIVE |
| BGBullseye Glass CO. | Portland | OR | Nonmetallic Mineral Product Manufacturing327211 | 100-499 | ● ACTIVE |
Carborundum Grinding Wheel CO | Logan | OH | Nonmetallic Mineral Product Manufacturing327212 | 20-99 | ● ACTIVE |
Castone Corporation | Opelika | AL | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ● ACTIVE |
Ceramic Tech, INC. | Fremont | CA | Nonmetallic Mineral Product Manufacturing327110 | 20-99 | ● ACTIVE |
Ceramtec North America LLC | Laurens | SC | Nonmetallic Mineral Product Manufacturing327110 | — | ● ACTIVE |
| CCCertainteed Corporation | Athens | GA | Nonmetallic Mineral Product Manufacturing327993 | 100-499 | ● ACTIVE |
| CGCertainteed Gypsum Buchanan LLC | Buchanan | NY | Nonmetallic Mineral Product Manufacturing327420 | 100-499 | ● ACTIVE |
| CBCherokee Brick & Tile Company | Macon | GA | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ● ACTIVE |
| CCCloud Ceramics | Concordia | KS | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ● ACTIVE |
| CCCorning - Canton Plant | Canton | NY | Nonmetallic Mineral Product Manufacturing327212 | 100-499 | ● ACTIVE |
Cps Technologies CORP. | Norton | MA | Nonmetallic Mineral Product Manufacturing327110 | 20-99 | ● ACTIVE |
Crest Precast, INC. | La Crescent | MN | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ● ACTIVE |
| CICrossville INC | Crossville | TN | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ● ACTIVE |
Crystex Composites LLC | Clifton | NJ | Nonmetallic Mineral Product Manufacturing327215 | 20-99 | ● ACTIVE |
| DDal-italia | Muskogee | OK | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ● ACTIVE |
| DDDal-tile Dickson CORP | Dickson | TN | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ● ACTIVE |
| DFDal-tile Fayette Plant | Fayette | AL | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ● ACTIVE |
Dianamic Abrasive Products INC | Troy | MI | Nonmetallic Mineral Product Manufacturing327910 | 1-19 | ● ACTIVE |
Du-co Ceramics Company | Saxonburg | PA | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ● ACTIVE |
| DIDura-stress, INC | Leesburg | FL | Nonmetallic Mineral Product Manufacturing327331 | 100-499 | ● ACTIVE |
| ECEaton CORP | Beaver | PA | Nonmetallic Mineral Product Manufacturing327991 | — | ● ACTIVE |
| ECEndicott Clay Products CO | Endicott | NE | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ● ACTIVE |
Engineered Concrete Products LLC | Rapid City | SD | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ● ACTIVE |
Engis Corporation | Wheeling | IL | Nonmetallic Mineral Product Manufacturing327910 | 100-499 | ● ACTIVE |
| FCFibrebond CORP | Minden | LA | Nonmetallic Mineral Product Manufacturing327390 | 500+ | ● ACTIVE |
Fireclay Tile, INC | Aromas | CA | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ● ACTIVE |
| FUFlorim USA INC | Clarksville | TN | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ● ACTIVE |
| FPFoley Products Company | Hermitage | TN | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ● ACTIVE |
Freeman Rock, INC. | Brookings | OR | Nonmetallic Mineral Product Manufacturing327320 | — | ● ACTIVE |
| FAFront Ave | Portland | OR | Chemical Manufacturing325998 | 20-99 | ● ACTIVE |
Gbc Advanced Materials LLC | Latrobe | PA | Nonmetallic Mineral Product Manufacturing327110 | 20-99 | ● ACTIVE |
Gichner Systems Group, INC. | Dallastown | PA | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ● ACTIVE |