| 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 |
Allied Mineral Products LLC | Columbus | OH | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ● ACTIVE |
| CCCloud Ceramics | Concordia | KS | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ● ACTIVE |
| CICrossville INC | Crossville | TN | Chemical Manufacturing325194 | 100-499 | ● 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 |
Du-co Ceramics Company | Saxonburg | PA | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ● ACTIVE |
| ECEndicott Clay Products CO | Endicott | NE | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ● 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 |
Gbc Advanced Materials LLC | Latrobe | PA | Nonmetallic Mineral Product Manufacturing327110 | 20-99 | ● ACTIVE |
| HBHebron Brick CO | Hebron | ND | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ● ACTIVE |
| ICIronrock Capital INC | Canton | OH | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ● ACTIVE |
| LRLudowici Roof Tile | New Lexington | OH | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ● ACTIVE |
| MRMagnesita Refractories/york | York | PA | Food Manufacturing311119 | 100-499 | ● ACTIVE |
Morgan Advanced Ceramics, INC | Hudson | NH | Chemical Manufacturing325180 | 20-99 | ● ACTIVE |
Motawi Enterprise INC | Ann Arbor | MI | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ● ACTIVE |
| SBStatesville Brick Company | Statesville | NC | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ● ACTIVE |
| UTUsb Tennessee LLC | Gleason | TN | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ● ACTIVE |
| VUVesuvius USA - Wurtland Plant | Wurtland | KY | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ● ACTIVE |
| YHYankee Hill Brick & Tile CO. | Lincoln | NE | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ● ACTIVE |
Zircoa INC | Solon | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ● ACTIVE |
American Beryllia INC | Haskell | NJ | Nonmetallic Mineral Product Manufacturing327110 | — | ● ACTIVE |
| ACApplied Ceramics, INC | Doraville | GA | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ● ACTIVE |
| BHBirmingham Hot Metal Coatings | Birmingham | AL | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ● ACTIVE |
| BHBirmingham Hot Metal Coatings, INC. | Birmingham | AL | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ● ACTIVE |
Momentive Performance Materials Quartz, INC | Strongsville | OH | Chemical Manufacturing325180 | 100-499 | ● ACTIVE |
Poly6 Technologies, INC. | Burlington | MA | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ● ACTIVE |
| PAPortobello America, INC. | Baxter | TN | Nonmetallic Mineral Product Manufacturing327120 | 100-499 | ● ACTIVE |
Acme Brick CO | Fort Worth | TX | Nonmetallic Mineral Product Manufacturing327120 | — | ● ACTIVE |
Advalue Technology, LLC | Tucson | AZ | Nonmetallic Mineral Product Manufacturing327120 | — | ● ACTIVE |
E R Advanced Ceramics, INC | E Palestine | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ● ACTIVE |
Florida Tile INC | Lexington | KY | Nonmetallic Mineral Product Manufacturing327120 | — | ● ACTIVE |
Jj Innovative Materials, INC. | Baltimore | MD | Nonmetallic Mineral Product Manufacturing327120 | — | ● ACTIVE |
Morganite Industries INC | Raleigh | NC | Nonmetallic Mineral Product Manufacturing327120 | — | ● ACTIVE |
Prairie Ceramics Corporation | San Leandro | CA | Nonmetallic Mineral Product Manufacturing327120 | — | ● ACTIVE |
Saint-gobain Advanced Ceramics LLC | Niagara Falls | NY | Nonmetallic Mineral Product Manufacturing327120 | — | ● ACTIVE |
Saint-gobain Ceramics & Plastics, INC. | Worcester | MA | Nonmetallic Mineral Product Manufacturing327120 | — | ● ACTIVE |
X-mat Ccc LLC | Bluefield | WV | Nonmetallic Mineral Product Manufacturing327120 | — | ● ACTIVE |
Zircar Ceramics, INC | Florida | NY | Nonmetallic Mineral Product Manufacturing327120 | — | ● ACTIVE |
Zircar Refractory Composites INC | Florida | NY | Nonmetallic Mineral Product Manufacturing327120 | — | ● ACTIVE |