| RPRichmond Plant | Richmond | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| NPNor-cal Perlite INC | Richmond | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CVCentral Virginia Concrete Corporation | Richmond | VA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CEClodine Expanded Shale & Clay Products | Richmond | TX | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| HPHanson Pipe & Precast INC Richmond Plant | Richmond | VA | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| MLMetromont LLC - Richmond Plant | Richmond | VA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| PCPenny's Concrete - Richmond | Richmond | MO | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RCRichmond Concrete Richmond Plant Division of Ernst Enterprises | Richmond | IN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| SLSchneider Labs INC | Richmond | VA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| AMAmrize Mid Atlantic INC - Portable 52923 | Richmond | VA | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| BGBudget Glass Company INC | Richmond | VA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| BCBuilders Concrete Block CO | Richmond | KY | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CDC & D Granite LLC | Richmond | MN | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CCCemex Construction Materials South LLC - Richmond | Richmond | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| COChain of Lakes Granite INC | Richmond | MN | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| CPCinco Plant | Richmond | TX | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CECommonwealth Equipment - Portable 52462 | Richmond | VA | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| CGCommonwealth Glass Services LLC | Richmond | VA | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| GBGold Bond Building Products LLC | Richmond | CA | Nonmetallic Mineral Product Manufacturing327420 | — | ◇ UNVERIFIED |
| HPHmss Plant - Ransom Rd | Richmond | TX | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| MCMetromont Corporation | Richmond | VA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| MCMichael Cohn | Richmond | CA | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| MUMicronized Ultra Tech INC | Richmond | CA | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| MSMonarch Studios, LLC Dba Monvera Glass Decor | Richmond | CA | Nonmetallic Mineral Product Manufacturing327213 | — | ◇ UNVERIFIED |
| SCSeaboard Concrete Products Company Incorporated | Richmond | VA | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| WRW R Forde Associates | Richmond | CA | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |