| SVSteel Valley Refractories, LLC | Lowellville | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| SLStein LLC (1318003929) | Cleveland | OH | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| SHSt. Henry Tile Co., INC. | Greenville | OH | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| SPStone Point Materials | Ohio | OH | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| SMSummit Memorials INC | Akron | OH | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| STSummitville Tiles INC | Summitville | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| TCT-clear CORP | Hamilton | OH | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TBThe Briar Hill Stone Company | Mc Dermott | OH | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TCThe CLE Holding Company, LLC | Chagrin Falls | OH | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TLThe Lang Stone Company, Incorporated | Columbus | OH | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| TPThe Pottery Place INC. | Cincinnati | OH | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| TITiffin Insulators Co., LLC | Tiffin | OH | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| TLTrail-rite, LLC | Franklin | OH | Nonmetallic Mineral Product Manufacturing327211 | — | ◇ UNVERIFIED |
| TITRDB Investments, LLC | Leetonia | OH | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| TCTube City Ims, LLC | Middletown | OH | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| USUnited Stones International INC. | Oakwood Village | OH | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| UOUsdol Osha - Cincinnati Area Office | Brookville | OH | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| URU.S. Refractory Products, LLC | North Ridgeville | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| VHVan Horn and Associates, LLC | 15443473ille Heights | OH | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| VGV-marble & Granite, LLC | Columbus | OH | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| WLWallstone, LLC | Lewis Center | OH | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| WFWedge & Feathers Enterprises LLC | Defiance | OH | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| WRWyg Refractories | East Palestine | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
