| TCThermal Ceramics INC | Girard | IL | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| TSThe Schundler Company | Edison | NJ | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| TKThiele Kaolin Sandersville | Sandersville | GA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| TITms Intl Llc/park Hill Slag Bank | Johnstown | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| TATrans Agg,inc. Dba Gibbco, INC. | Lawrenceburg | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| TITungco INC | Hanson | KY | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| TTTwo Thousand Fahrenheit INC | Becker | MN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| UAUniversal America INC | Greeneville | TN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| WMWaverly Minerals, INC. | Meigs | GA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| WDWaylite Div Ims/bethlehem | Bethlehem | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| AWAa Will Sand & Gravel | Canton | MA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| AAAero Aggregates | Modesto | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| AIAggregate Industries Swr, INC. - Utelite Plant | Coalville | UT | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| AIAlmatis Inc/neville Grinding Ctr | Leetsdale | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| ABAmerican Borate CO Dunn Plant | Ludlow | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| ABAmerican Borate Co, Dunn Plant | 35m Ne Barstow I-15 | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| ACAmerican Colloid Co-waterloo | Waterloo | IA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| AGAmerican Garden Perlite LLC | Lake Wales | FL | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| APAmerican Perlite Company | Big Pine | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| APAmerican Perlite Company | Big Pine | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| ANApac Newton Grinding Mill Plant | Newton | KS | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| ALArcosa Lightweight - West Memphis | Proctor | AR | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| ARAshland Recovery INC Plant 125 | Ashland | KY | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| ASAustin South Plant | Austin | TX | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| BQBangor Quarry | Bangor | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| BMBattle Mountain Grinding Plant | Battle Mountain | NV | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| BBB & B Cedar Company, INC. | Waldron | AR | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| BMBecker Minerals INC | Cheraw | SC | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| BSBeemsterboer Slag Corporation a Contrac | Burns Harbor | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| BDBo Dean CO INC - Windsor Recycle Plant | Windsor | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| BRBuellflat Rock Company | Solvang | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CICalclean, INC. | Vacaville | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CICanam Industries | Lovelock | NV | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CGCarlton Global | Dunn | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CPCarolina Perlite Company, INC. | Gold Hill | NC | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CCCastle Concrete CO Queens Canyon Quarry | Colorado Springs | CO | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CMC-e Minerals Plants 1,2 and 6 | Andersonville | GA | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| CMCharleston Mill Service | Huger | SC | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CMCharleston Mill Service | Huger | SC | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CCClariant Corporation - Quincy Operation | Quincy | FL | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CEComax Enterprises, INC. | Riverdale | IL | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CCContract Crushing Const - Patton Site | Belle Vernon | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CICovia Isp, INC. | Fort Smith | AR | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CPCumberland Property | Cumberland | WA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| DMDicaperl Minerals Corporation | Socorro | NM | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| DSDuffek Sand & Gravel INC | Antigo | WI | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| DSDuke Sherwood Contracting, INC. | Oroville | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| DQDunstone Quarry | Oroville | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| ECEdw C. Levy CO Decatur Mill Service CO | Trinity | AL | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| ECEdw. C. Levy CO Indiana | Portage | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
