| MUMicronized Ultra Tech INC | Richmond | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| MPMidwest Perlite Company, Inc. | Appleton | WI | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| MQMillville Quarry | Baltimore | MD | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| MSMi Swaco Greystone Barite Mine | Battle Mountain | NV | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| MMultiserv | Birmingham | AL | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| NSNevada Slag, INC | Mcgill | NV | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| NPNorcal Perlite, Inc. | Bakersfield | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| NANorth American Recycling & Crushing, LLC. | Colton | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| OSOzinga Slag LLC | East Chicago | IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| PVPalmetto Vermiculite | Woodruff | SC | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| PSPauls Station of Webster | Rochester | NY | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| PTPebble Technology International | Pearl River | LA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| PIPlacerville Industries | Placerville | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| PSPreferred Sands of Minnesota LLC | Woodbury | MN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| PIPvp Industries INC. | North Bloomfield | OH | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| RERamrock Environmental | Stockton | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| RBRecology Blossom Valley Organics - South | Lamont | CA | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| RARecycled Aggregate Materials Company INC | Sun Valley | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| RIRedco Ii | North Hollywood | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| RIRoss Island Hardtack Island Plant | Portland | OR | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SCSgl Carbon, LLC | St Marys | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SCSilbrico Corporation | Brunswick | GA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SCSkyway Cement CO LLC | Chicago | IL | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SPSlag Plant | El Paso | TX | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SCSoutheastern Clay CO | Aiken | SC | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SMSpecialty Minerals INC | Ashdown | AR | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SCSpinks Clay Company - Gleason Plant | Gleason | TN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SCStandard Corporation Jones Lane | Lugoff | SC | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SIStandard Industrial Mineral in | Laws | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SLStein LLC (1318003929) | Cleveland | OH | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SCSt-gobain Ceramics & Plastics | Bryant | AR | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SPStreetman Plant | Streetman | TX | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SMSully Miller Contracting CO | Irwindale | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SPSupreme Perlite Company | Portland | OR | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| TMT Minerals LLC - Perlite Expansion Facility | New Orleans | LA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| TITms International, LLC | Calvert | AL | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| TMTreasure Mine | Dillon | MT | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| TCTube City Ims, LLC | Middletown | OH | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| TOTxi Operations | Streetman | TX | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
 Universal Minerals International INC. | Louisville | KY | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| VCVulcan Const Hanover Quarry & Carmeuse Lime Kilns | Hanover | PA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| WPWa317939649 - Pyrotek Incorporated | Spokane Valley | WA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| W1Willies 1 Day Cleaners | San Marcos | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| XMXcava Mill, LLC | Progreso | TX | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
