| CGClark Grave Vault CO | Columbus | OH | Miscellaneous Manufacturing339995 | — | ◇ UNVERIFIED |
| HIHadronics INC | Cincinnati | OH | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| SRSperry & Rice Mfg CO LLC Killbuck Plt | Killbuck | OH | Plastics and Rubber Products Manufacturing326220 | — | ◇ UNVERIFIED |
| 3S3 Sigma LLC (0855140498) | Troy | OH | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| ADAdalet Division of Scott Fetzer | Cleveland | OH | Primary Metal Manufacturing331313 | — | ◇ UNVERIFIED |
| AMAdvics Manufacturing of Ohio INC | Lebanon | OH | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| APAircraft Plating CORP. | Cleveland | OH | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| ABAkron Brass Plant 2 | Wooster | OH | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| AFAlbco Foundry and Machine, INC. | Lisbon | OH | Primary Metal Manufacturing331523 | — | ◇ UNVERIFIED |
| AMAlco Manufacturing CORP | Elyria | OH | Fabricated Metal Product Manufacturing332721 | — | ◇ UNVERIFIED |
| ARAleris Rolled Products INC | Uhrichsville | OH | Primary Metal Manufacturing331315 | — | ◇ UNVERIFIED |
| ANAllied Nutrients | Martins Ferry | OH | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| ALAltronic LLC | Girard | OH | Computer and Electronic Product Manufacturing334418 | — | ◇ UNVERIFIED |
| ARAmerican Regent INC | Hilliard | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ASAmerican Showa INC Blanchester Plant | Blanchester | OH | Transportation Equipment Manufacturing336322 | — | ◇ UNVERIFIED |
| ATAmerican Timber and Steel | Norwalk | OH | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
 American Wire & Cable CO. | Olmsted Falls | OH | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| AIAmerichem INC Scp | Cuyahoga Falls | OH | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| AFArchitectural Fiberglass INC. (1318008262) | Cleveland | OH | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| AOArmoloy of Ohio INC | Springfield | OH | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| AWArmstrong World Industries INC | Hilliard | OH | Nonmetallic Mineral Product Manufacturing327993 | — | ◇ UNVERIFIED |
| ASA Schulman INC | Bellevue | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| AMAsphalt Materials, INC. | Oregon | OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AAAtlas Alchem Plastics INC | Paulding | OH | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
| ADAvery Dennison CORP Bldg No 5 * | Painesville | OH | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| BABabcock and Wilcox CO * | Barberton | OH | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| BCBakelite Chemicals LLC | Columbus | OH | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| BPBecker Powder Coatings INC | Grove City | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BBBelden Brick CO Plant 2 | Sugarcreek | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| BCBelletech CORP | Bellefontaine | OH | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |
| BIBostik INC | Columbus | OH | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| BSBowerston Shale CO | Newark | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| BSBowerston Shale Company (0634000012) | Bowerston | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| BFBuckeye Fabric Finishing Company | Coshocton | OH | Textile Mills313320 | — | ◇ UNVERIFIED |
| BBBucyrus Blades INC | Bucyrus | OH | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| BMBull Moose Tube CO - Masury Plant | Masury | OH | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| BCBuschman Corporation (1318007874) | Cleveland | OH | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CCalphalon | Perrysburg | OH | Fabricated Metal Product Manufacturing332116 | — | ◇ UNVERIFIED |
| CPCarlisle Polyurethane Systems | Berea | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CCCascade CORP (0812100207) | Springfield | OH | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CKCascade Kenhar INC | Findlay | OH | Fabricated Metal Product Manufacturing332111 | — | ◇ UNVERIFIED |
| CSCharter Steel INC | Rising Sun | OH | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| CDChase Durus Industries * | Cincinnati | OH | Fabricated Metal Product Manufacturing332321 | — | ◇ UNVERIFIED |
| CMCheckmate Marine Power INC. (0317010112) | Bucyrus | OH | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| CUChemspec USA LLC | Orrville | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CDChrome Deposit CORP | Akron | OH | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CIChs INC Kenton Lube Plant | Kenton | OH | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| CCCin Chem Pro, LLC | Batavia | OH | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| CTCincinati Thermal Spray | Cincinnati | OH | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| CCCindus CORP | Cincinnati | OH | Paper Manufacturing322299 | — | ◇ UNVERIFIED |
