| 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 |
| ECEdw. C. Levy CO. Plant 2 Portable Crusher | Dearborn | MI | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| EEEp Engineered Clays Corporation | Terry | MS | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| EMExcalibar Minerals INC. | Houston | TX | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| EMExcalibar Minerals INC. | Corpus Christi | TX | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| EMExcel Mineral Company, INC. | Taft | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| FFFernley Facility | Fernley | NV | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| FCFoothill Country Day School | Claremont | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| FQFosterdixiana Quarry - Closed | West Columbia | SC | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| FSFourth Street Rock Crusher | San Bernardino | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| FEFritz Enterprises | Sparrows Point | MD | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| GRG3 Ranch | Corona | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| GPGeorgia Pacific Gypsum | Long Beach | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| GMGladding Mc Bean Lincoln Clay Products | Lincoln | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| GPGlendon Pyrophyllite, INC. - Mine Site | Glendon | NC | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HEHalliburton Energy Services INC | Crescent Valley | NV | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HAHanson Aggregates Sandy Flats Quarry | Taylors | SC | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HWHarbison Walker Refractories CO | Ludington | MI | Nonmetallic Mineral Product Manufacturing327125 | — | ◇ UNVERIFIED |
| HCHarsco CO Heckett Multiserv Plant 16 | Butler | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HCHarsco CO Heckett Multiserv Plant 54 | Blytheville | AR | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HCHarsco Corporation | Pawnee | IL | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HMHarsco Metals - Cofield Facility | Cofield | NC | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HMHarsco Metals - Ihw | East Chicago | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HMHarsco Metals Midland | Midland | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
