| OUOpta USA Inc/opta Myoma Plt | Mars | PA | Nonmetallic Mineral Product Manufacturing327992 | 1-19 | ◐ LIKELY ACTIVE |
| 3C3m CO - Pittsboro | Moncure | NC | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| 3W3m Wausau - Greystone Plant | Wausau | WI | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| AIAluchem INC | Cincinnati | OH | Paper Manufacturing322110 | 20-99 | ◐ LIKELY ACTIVE |
| ALArcosa Lightweight - Frazier Park | Frazier Park | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| ALArcosa Lw Br, LLC | Livingston | AL | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| ALArcosa Lw Hpb LLC | Mooresville | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| ALArcosa Lw Ky LLC | Shepherdsville | KY | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| BPBurgess Pigment Company | Sandersville | GA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| DCDauber CO | Tonica | IL | Nonmetallic Mineral Product Manufacturing327992 | 20-99 | ◐ LIKELY ACTIVE |
| ECEngelhard Corporation - Attapulgus Operations | Attapulgus | GA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| GTGolden Triangle Mill Service | Columbus | MS | Nonmetallic Mineral Product Manufacturing327992 | 100-499 | ◐ LIKELY ACTIVE |
| ISInternational Steel Group | Georgetown | SC | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| IKIpsco Koppel Tubulars CORP | Koppel | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| JMJacam Mfg. - Organoclay Processing | Sterling | KS | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| PMPrince Minerals LLC | New Castle | DE | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| RSRec Solar Grade Silicon | Moses Lake | WA | Nonmetallic Mineral Product Manufacturing327992 | 100-499 | ◐ LIKELY ACTIVE |
| RDRes Dba Steel Dynamics - Roanoke Bar Division | Roanoke | VA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| SDSteel Dynamics INC - Engineered Bar Products Div | Pittsboro | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| TSThe Strong Company, INC. | Pine Bluff | AR | Nonmetallic Mineral Product Manufacturing327310 | 20-99 | ◐ LIKELY ACTIVE |
| TOTxi Operations LP | Streetman | TX | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| CSCmc Steel Sc | Cayce | SC | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| ECEdward C. Levy Company - Plant #1 | Detroit | MI | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| ECEdward C. Levy Company - Plant #6 | Detroit | MI | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| HMHarsco Metals - Butler | Butler | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| ISInternational Speciality Products Inc-isp Mineral Products | Annapolis | MO | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| NRNipsco Rm Schahfer Peaker Plant | Wheatfield | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| PSPhoenix Services LLC Dba Metal Services | East Chicago | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| RSRepublic Steel - Canton Facility | Canton | OH | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| TITms International, LLC | Axis | AL | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| TPTs Power Plant | Battle Mountain | NV | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| USUS Steel-gl-ecorse | Ecorse | MI | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| ALA L C INC | Chattanooga | TN | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| ACAmerican Colloid Company | Paris | TN | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| ACAmerican Colloid Company - York PA | York | PA | Chemical Manufacturing325998 | 20-99 | ◐ LIKELY ACTIVE |
| AMApg Mid-atlantic - Ulexite Plant | Chesapeake | VA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| BMBarretts Minerals INC. Mill Site | Dillon | MT | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| BSBeemsterboer Slag CORP Contractor of Ar | East Chicago | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| BBrunswick | Brunswick | GA | Nonmetallic Mineral Product Manufacturing327992 | 20-99 | ◐ LIKELY ACTIVE |
| CCCarbo Ceramics INC. - Mcintyre Plant | Mcintyre | GA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| CSCarolina Stalite CO Aquadale Properties | Norwood | NC | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| CCCelite Corporation | Quincy | WA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| CICoorsTek Inc. - Center for Advanced Materials (CCAM) | Golden | CO | Nonmetallic Mineral Product Manufacturing327110 | 100-499 | ◐ LIKELY ACTIVE |
| CPCustom Processing Services, LLC | East Greenville | PA | Nonmetallic Mineral Product Manufacturing327992 | 20-99 | ◐ LIKELY ACTIVE |
| DMDicaperl Minerals CORP. | Nashville | TN | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| EMExcalibar Minerals, LLC | Dyersburg | TN | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| EMExcalibar Minerals of Lousiana LLC | New Iberia | LA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| HAHanson Aggregates Southeast LLC | Taylors | SC | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| HCHarsco Corporation | Calvert | AL | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| HMHarsco Metals | Muscatine | IA | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |