| BPB-n Plating (0857040267) | Dayton | OH | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| BCBondo/mar-hyde CORP * | Cincinnati | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BIBrainerd Industries Incorporated (0857093330) | Miamisburg | OH | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| BCBron-shoe CO | Columbus | OH | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| BFBroughton Foods, LLC | Marietta | OH | Food Manufacturing311511 | — | ◇ UNVERIFIED |
| BCBrown County Asphalt (0708000069) | Georgetown | OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BCBrown County Construction CO INC | Aberdeen | OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BBBrown's Bakery Div of Interstate Brands | Defiance | OH | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| BSB Schoenberg & CO Inc- Ohio Polytech - Bucyrus Facility | Bucyrus | OH | Plastics and Rubber Products Manufacturing326220 | — | ◇ UNVERIFIED |
| BABuckeye Abrasive, INC. | Barberton | OH | Nonmetallic Mineral Product Manufacturing327910 | — | ◇ UNVERIFIED |
| BABuckeye Asphalt Group LLC (0387042026) | Perrysburg | OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BPBuckeye Packaging CO INC (1576011509) | Alliance | OH | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| BFBuilders First Source INC | Cincinnati | OH | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| BBBulldog Blasting | Beach City | OH | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| BMBurn-rite Mold and Machine INC. | Canton | OH | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| BPBurrows Packaging (1483040446) | Franklin | OH | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| BPBushe Performance Group, Dba Mobex Global - Plant 2 | Edon | OH | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CCCajon CO Aurora | Aurora | OH | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| CSCalmego Specialized Products, LLC | Greenville | OH | Primary Metal Manufacturing331521 | 1-19 | ◇ UNVERIFIED |
| CMCansto Manufacturers of Coatings | Cleveland | OH | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CPCantar Polyair CORP | Youngstown | OH | Plastics and Rubber Products Manufacturing326112 | — | ◇ UNVERIFIED |
| CBCantelli Block & Brick | Huron | OH | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| CACanton Asphalt Company (0679005005) | Bolivar | OH | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CMCapitol Manufacturing Lansing Facility | Lansing | OH | Fabricated Metal Product Manufacturing332996 | — | ◇ UNVERIFIED |
| CCCaptor Corporation (0855750070) | Tipp | OH | Computer and Electronic Product Manufacturing334419 | — | ◇ UNVERIFIED |
| CMCaraustar Mill Group, INC. | Rittman | OH | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| CMCarbide Metals INC | Youngstown | OH | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| CFCarbo Forge INC. | Fremont | OH | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| COCarlisle Oak (0238000188) | Sugarcreek | OH | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
Carmeuse Lime INC. - Huron Plant (0322010062) | Huron | OH | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
Carmeuse Lime INC Millersville Operations (0372000081) | Millersville | OH | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
| CLCarmeuse Lime Maple Grove Operations | Bettsville | OH | Nonmetallic Mineral Product Manufacturing327410 | — | ◇ UNVERIFIED |
| CTCast-fab Technologies, INC. | Cincinnati | OH | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| C4Cbi 4800 | Independence | OH | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| CLCcl Label, INC. - Industrial Products Div (1318558062) | Strongsville | OH | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| CHCedar Heights Clay CO (0640010010) | Oak Hill | OH | Nonmetallic Mineral Product Manufacturing327120 | — | ◇ UNVERIFIED |
| CACentral Aluminum Company | Columbus | OH | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| COCentral Ohio Oil INC | Columbus | OH | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| CICenveo INC (0575010205) | Sidney | OH | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CACertified Alloys INC | Maple Heights | OH | Primary Metal Manufacturing331000 | — | ◇ UNVERIFIED |
| CHChampion Home Builders, Inc., Plant 231 | Sugarcreek | OH | Wood Product Manufacturing321991 | — | ◇ UNVERIFIED |
| CPChannel Products INC | Chesterland | OH | Computer and Electronic Product Manufacturing334512 | — | ◇ UNVERIFIED |
| CSCharter Steel Cleveland INC (1318007658) | Cleveland | OH | Primary Metal Manufacturing331222 | — | ◇ UNVERIFIED |
| CTChem Tech Plant 2 | Middlefield | OH | Plastics and Rubber Products Manufacturing326299 | — | ◇ UNVERIFIED |
| CLChemtrade Logistics INC * | Cleveland | OH | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| CPChester Packaging, LLC | Cincinnati | OH | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| CUChevron USA INC Cincinnati Refinery | Hooven | OH | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| CLChristen & Laudon- Aep Fgd Project | Tiltonsville | OH | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CIChrome Industries CO (1318000039) | Cleveland | OH | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CCChromium Corporation of America | Cleveland | OH | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |