| PLPivotek, LLC | Fairfield | — | ◇ UNVERIFIED |
| P1Plant 1 Strasburg | Strasburg | — | ◇ UNVERIFIED |
| PGPLI Group LLC | Milford | — | ◇ UNVERIFIED |
| PPPompili Precast Concrete | Cleveland | — | ◇ UNVERIFIED |
| PSProvia Stone LLC | Sugarcreek | — | ◇ UNVERIFIED |
| PGPure Granite & Stone, LLC | Cincinnati | — | ◇ UNVERIFIED |
| PIPvp Industries INC. | North Bloomfield | — | ◇ UNVERIFIED |
| QRQuality Ready Mix | Van Buren | — | ◇ UNVERIFIED |
| QRQuality Ready Mix INC. | Bluffton | — | ◇ UNVERIFIED |
| RPRabers Precast Products | Cambridge | — | ◇ UNVERIFIED |
| RSReflective Security LLC | Toledo | — | ◇ UNVERIFIED |
| RERichwood Equipment Company LLC | Springfield | — | ◇ UNVERIFIED |
| RHRock Hard Industries, LLC | North Ridgeville | — | ◇ UNVERIFIED |
| RCRockhound Crushing and Excavating LLC. | Atwater | — | ◇ UNVERIFIED |
| RPRookwood Pottery Company | Cincinnati | — | ◇ UNVERIFIED |
| RFRust-oleum Fairborn 747 | Fairborn | — | ◇ UNVERIFIED |
| SNSaint-gobain Norpro | Norton | — | ◇ UNVERIFIED |
| STSarasota Transport LLC | Westerville | — | ◇ UNVERIFIED |
| SRScioto Ready Mix | Dublin | — | ◇ UNVERIFIED |
| SCSika Corporation | Marion | — | ◇ UNVERIFIED |
| SMSkeeles Manufacturing, Incorporated | Columbus | — | ◇ UNVERIFIED |
| SBSnyder Brick and Block | Columbus | — | ◇ UNVERIFIED |
| SBSnyder Brick & Block | Dayton | — | ◇ UNVERIFIED |
| SSSollberger Stone Industries | Warren | — | ◇ UNVERIFIED |
| SASostenuto Arts | Granville | — | ◇ UNVERIFIED |
| SCSpring Creek | Minster | — | ◇ UNVERIFIED |
| SCSpring Creek | Sidney | — | ◇ UNVERIFIED |
| SCSpringfield Concrete Block & Brick, INC. | Springfield | — | ◇ UNVERIFIED |
| SCSrm Concrete - 25013 - Harrison | Harrison | — | ◇ UNVERIFIED |
| SCSrm Concrete - 25014 - West Chester | West Chester | — | ◇ UNVERIFIED |
| SCSrm Concrete - 25090 Rockport | Cleveland | — | ◇ UNVERIFIED |
| SCSrm Concrete - Perrysburg Oh | Perrysburg | — | ◇ UNVERIFIED |
| SCSrm Concrete - Warren Oh | Warren | — | ◇ UNVERIFIED |
| SPSrm Plant 25082 | Alliance | — | ◇ UNVERIFIED |
| SMStaff Management Solutions | Crestline | — | ◇ UNVERIFIED |
| SVSteel Valley Refractories, LLC | Lowellville | — | ◇ UNVERIFIED |
| SLStein LLC (1318003929) | Cleveland | — | ◇ UNVERIFIED |
| SHSt. Henry Tile Co., INC. | Greenville | — | ◇ UNVERIFIED |
| SPStone Point Materials | Ohio | — | ◇ UNVERIFIED |
| SMSummit Memorials INC | Akron | — | ◇ UNVERIFIED |
| STSummitville Tiles INC | Summitville | — | ◇ UNVERIFIED |
| TCT-clear CORP | Hamilton | — | ◇ UNVERIFIED |
| TITelling Industries LLC | Cambridge | — | ◇ UNVERIFIED |
| TBThe Briar Hill Stone Company | Mc Dermott | — | ◇ UNVERIFIED |
| TCThe CLE Holding Company, LLC | Chagrin Falls | — | ◇ UNVERIFIED |
| TLThe Lang Stone Company, Incorporated | Columbus | — | ◇ UNVERIFIED |
| TPThe Pottery Place INC. | Cincinnati | — | ◇ UNVERIFIED |
| TITiffin Insulators Co., LLC | Tiffin | — | ◇ UNVERIFIED |
| TLTrail-rite, LLC | Franklin | — | ◇ UNVERIFIED |
| TITRDB Investments, LLC | Leetonia | — | ◇ UNVERIFIED |