| ISIntegrity Sport Services | Wadsworth | — | ◇ UNVERIFIED |
| ITInternational Technologies | Hamersville | — | ◇ UNVERIFIED |
| IIIten Industries | Ashtabula | — | ◇ UNVERIFIED |
| IIIten Industries INC. (plant 3) (0204010442) | Ashtabula | — | ◇ UNVERIFIED |
| IIIten Industries, Inc., Plant 4 (0204010405) | Ashtabula | — | ◇ UNVERIFIED |
| ITItw Tomco (0386010099) | Bryan | — | ◇ UNVERIFIED |
| JRJet Rubber Company | Rootstown | — | ◇ UNVERIFIED |
| JRJohnson Rubber Company | Middlefield | — | ◇ UNVERIFIED |
| KEKent Elastomer Products, INC. | Kent | — | ◇ UNVERIFIED |
| MCMantaline Corporation | Hiram | — | ◇ UNVERIFIED |
| MIMar-bal INC | Chagrin Falls | — | ◇ UNVERIFIED |
| MIMar-bal INC. (0243112019) | Painesville | — | ◇ UNVERIFIED |
| MPMar-bal Pultrusion, INC. | Willoughby | — | ◇ UNVERIFIED |
| MRMasco Retail Cabinet Group | Waverly | — | ◇ UNVERIFIED |
| MIMastercraft Industries | Berlin | — | ◇ UNVERIFIED |
| MPMaterial Processing and Handling CO | Fostoria | — | ◇ UNVERIFIED |
| MPMercury Plastics, LLC | Middlefield | — | ◇ UNVERIFIED |
| MAMeridian Automotive | Jackson | — | ◇ UNVERIFIED |
| MWMid West Poly Pak INC (0285000285) | Doylestown | — | ◇ UNVERIFIED |
| MTMidwest Tank Services INC | Bolivar | — | ◇ UNVERIFIED |
| MFMolded Fiber Glass Companies, Plant 1 | Ashtabula | — | ◇ UNVERIFIED |
| MPMonarch Plastic INC (0285010268) | Orrville | — | ◇ UNVERIFIED |
| MBMondi Bags Usa, LLC (0679020011) | New Philadelphia | — | ◇ UNVERIFIED |
| MTMurrubber Technologies | Stow | — | ◇ UNVERIFIED |
| NMNisbet-brower Marble LLC | Loveland | — | ◇ UNVERIFIED |
| NMNisbet-brower Marble, LLC | Cincinnati | — | ◇ UNVERIFIED |
| NANorth American Molded Products | Hartville | — | ◇ UNVERIFIED |
| OTOak Technical, INC. | Ravenna | — | ◇ UNVERIFIED |
| PPPacemaker Plastics CO. INC. (0679000103) | Newcomerstown | — | ◇ UNVERIFIED |
| PMPackaging Materials, INC. | Cambridge | — | ◇ UNVERIFIED |
| PCParagon Custom Plastics | Bryan | — | ◇ UNVERIFIED |
| PPParkway Prods INC | Cincinnati | — | ◇ UNVERIFIED |
| PWPentair Water Purification | Chardon | — | ◇ UNVERIFIED |
| PFPerry Fiberglass Products INC | Avon Lake | — | ◇ UNVERIFIED |
| PPPexco Packaging CORP (0448011635) | Toledo | — | ◇ UNVERIFIED |
| PTPlastic Trim INC | Dayton | — | ◇ UNVERIFIED |
| PIPolymerics INC | Kent | — | ◇ UNVERIFIED |
| PGPremium Garage Door CO | Cuyahoga Falls | — | ◇ UNVERIFIED |
| PGProcter & Gamble U.s. Business Services | West Chester Twp. | — | ◇ UNVERIFIED |
| PSProvia Strasburg Facility (0679005044) | Strasburg | — | ◇ UNVERIFIED |
| QSQuality Synthetic Rubber INC | Twinsburg | — | ◇ UNVERIFIED |
| REResinoid Engineering CORP * | Hebron | — | ◇ UNVERIFIED |
| RBRfd Beaufort INC Formerly Inflatable Survival Systems, INC | Sharon Center | — | ◇ UNVERIFIED |
| RDRitrama Duramark (1318007355) | Cleveland | — | ◇ UNVERIFIED |
| RLR L Industries (1409030581) | Fairfield | — | ◇ UNVERIFIED |
| RIRobin Industries (0285000406) | Fredericksburg | — | ◇ UNVERIFIED |
| RIRobin Industries Cleveland Manufacturing Division | Cleveland | — | ◇ UNVERIFIED |
| RCRps Composites Ohio, INC. | Middletown | — | ◇ UNVERIFIED |
| SMSeco Machine | North Canton | — | ◇ UNVERIFIED |
| SCSig Combibloc, INC. | Columbus | — | ◇ UNVERIFIED |
