| ABAzek Building Products (1414010168) | Wilmington | OH | Wood Product Manufacturing321212 | — | ◐ LIKELY ACTIVE |
| BMBall Metal Beverage Container Corporation (0332000023) | Findlay | OH | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| BMBall Metalpack Holding LLC (0125041920) | Columbus | OH | Fabricated Metal Product Manufacturing332431 | — | ◐ LIKELY ACTIVE |
| BMBanner Metals Group, INC. | Columbus | OH | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
| BIBarth Industries INC. | Cleveland | OH | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| BCBasf Corporation | Greenville | OH | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| BMBates Metal Products, Inc. | Port Washington | OH | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| BMBeach Manufacturing CO | Donnelsville | OH | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| BCBekaert Corporation (0285010331) | Orrville | OH | Primary Metal Manufacturing331221 | — | ◐ LIKELY ACTIVE |
| BCBerenfield Containers INC | Mason | OH | Fabricated Metal Product Manufacturing332439 | — | ◐ LIKELY ACTIVE |
| BIBettcher Industries INC | Birmingham | OH | Machinery Manufacturing333241 | 100-499 | ◐ LIKELY ACTIVE |
| BPBIC Precision Machine Co., Inc. | Blanchester | OH | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| BCBluescope Coated Products, LLC (0630010006) | Cambridge | OH | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| BRBoomerang Rubber INC | Botkins | OH | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| BIBrennan Industries Inc | Solon | OH | Fabricated Metal Product Manufacturing332912 | 20-99 | ◐ LIKELY ACTIVE |
| BEBrilliant Electric Sign Co., LTD. | Cleveland | OH | Miscellaneous Manufacturing339950 | 20-99 | ◐ LIKELY ACTIVE |
| BPBrinkley Property Group | Massillon | OH | Machinery Manufacturing333998 | 1-19 | ◐ LIKELY ACTIVE |
| BMBuckeye Machine Fabricators, Inc. | Forest | OH | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
| BPBuckeye Packaging Co., Inc. | Alliance | OH | Plastics and Rubber Products Manufacturing326111 | 20-99 | ◐ LIKELY ACTIVE |
| BBBucyrus Blades | Bucyrus | OH | Fabricated Metal Product Manufacturing332313 | 100-499 | ◐ LIKELY ACTIVE |
| BMBulk Molding Compounds, INC. (0387040001) | Perrysburg | OH | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| BNBunge North America (0381000011) | Delphos | OH | Food Manufacturing311222 | — | ◐ LIKELY ACTIVE |
| BNBunge North America (east), LLC | Bellevue | OH | Food Manufacturing311222 | — | ◐ LIKELY ACTIVE |
Bunting Bearings CORP | Delta | OH | Primary Metal Manufacturing331111 | — | ◐ LIKELY ACTIVE |
| CGCabinetworks Group Orwell Plant #3 | Orwell | OH | Furniture and Related Product Manufacturing337110 | 500+ | ◐ LIKELY ACTIVE |
| CPCaraustar Paperboard Mill | Cincinnati | OH | Paper Manufacturing322121 | — | ◐ LIKELY ACTIVE |
| CPCarbon Polymers Company | Lodi | OH | Chemical Manufacturing325211 | 1-19 | ◐ LIKELY ACTIVE |
| CPCardinal Power Plant | Brilliant | OH | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| CYCardington Yutaka Technologies (0159000140) | Cardington | OH | Transportation Equipment Manufacturing336322 | — | ◐ LIKELY ACTIVE |
| CYCardington Yutaka Technologies, INC. | Cardington | OH | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| CICargill, INC | Dayton | OH | Food Manufacturing311221 | — | ◐ LIKELY ACTIVE |
| CBCarr Bros.,inc. | Walton Hills | OH | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| CCCentral Coated Products, Inc. | Alliance | OH | Paper Manufacturing322220 | 20-99 | ◐ LIKELY ACTIVE |
| CDChalet Debonne Vineyards | Madison | OH | Beverage and Tobacco Product Manufacturing312130 | 20-99 | ◐ LIKELY ACTIVE |
| CMChampion Manufacturing INC | Marengo | OH | Miscellaneous Manufacturing339999 | — | ◐ LIKELY ACTIVE |
| CCChapin Custom Molding | Elyria | OH | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| CMChickasaw Machine and Tool Inc | Chickasaw | OH | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| CTChristopher Tool & Mfg. CO. | Solon | OH | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| CCChristy Catalytics, LLC | Crooksville | OH | Nonmetallic Mineral Product Manufacturing327120 | 20-99 | ◐ LIKELY ACTIVE |
| CSCirba Solutions Us, INC | Lancaster | OH | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| CCClassic Connectors Usa, LLC | Mansfield | OH | Electrical Equipment, Appliance & Component Manufacturing335931 | 1-19 | ◐ LIKELY ACTIVE |
| CSClermont Steel Fabricators | Batavia | OH | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| CSCleveland-cliffs Steel CORP - Mansfield Facility | Mansfield | OH | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CSCleveland-cliffs Steel Corporation | Coshocton | OH | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| CSCleveland Specialty Products | Cleveland | OH | Plastics and Rubber Products Manufacturing326112 | 20-99 | ◐ LIKELY ACTIVE |
| CVCleveland Vibrator Co | Cleveland | OH | Machinery Manufacturing333131 | 20-99 | ◐ LIKELY ACTIVE |
| CPCoastal Pet Products Inc. | Alliance | OH | Textile Product Mills314999 | 100-499 | ◐ LIKELY ACTIVE |
| CPCoil Processing Repair | Celina | OH | Machinery Manufacturing333517 | 1-19 | ◐ LIKELY ACTIVE |
| CIColepak Inc | Urbana | OH | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| CPColgate Palmolive Company | Cambridge | OH | Chemical Manufacturing325611 | 100-499 | ◐ LIKELY ACTIVE |