| MMMmc Materials Inc, Columbus 45 | Columbus | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SMStillwater Mining CO Smelter | Columbus | MT | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| ARAgg Rok Materials, Div of W.s.g. | Columbus | OH | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
 Airgas Specialty Products Inc., Columbus, Ga | Columbus | GA | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| AMAirline Manufacturing Company INC | Columbus | MS | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| ATAk Tube LLC | Columbus | IN | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| AIApac-mississippi INC Columbus Asphalt Plant | Columbus | MS | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| AIApi Industries INC | Columbus | OH | Plastics and Rubber Products Manufacturing326113 | — | ◇ UNVERIFIED |
 Atlas Industrial Holdings, Lle (0125042240) | Columbus | OH | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| AMAy Manufacturing LTD | Columbus | OH | Transportation Equipment Manufacturing336399 | — | ◇ UNVERIFIED |
| BEBaldor Electric Company | Columbus | MS | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| BMBattelle Memorial Institute | Columbus | OH | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| BDBecton Dickinson - Medical Surgical Systems | Columbus | NE | Miscellaneous Manufacturing339112 | — | ◇ UNVERIFIED |
| BCBron-shoe CO | Columbus | OH | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| BEBuffalo Equipment CO | Columbus | NE | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| CCargill | Columbus | NE | Food Manufacturing311611 | — | ◇ UNVERIFIED |
| CBCeco Building Systems | Columbus | MS | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| CCCemstone - Columbus | Columbus | MN | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CACentral Aluminum Company | Columbus | OH | Primary Metal Manufacturing331316 | — | ◇ UNVERIFIED |
| COCentral Ohio Oil INC | Columbus | OH | Petroleum and Coal Products Manufacturing324191 | — | ◇ UNVERIFIED |
| CLClosed Loop Glass Solutions | Columbus | OH | Nonmetallic Mineral Product Manufacturing327212 | — | ◇ UNVERIFIED |
| CCColumbus Components Group | Columbus | IN | Transportation Equipment Manufacturing336312 | — | ◇ UNVERIFIED |
| CMColumbus Manufacturing, LLC | Columbus | WI | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| CSColumbus Steel Castings | Columbus | OH | Primary Metal Manufacturing331513 | — | ◇ UNVERIFIED |
| CFConagra Foods | Columbus | OH | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| CPConverters Prepress INC | Columbus | WI | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |
| CWCostco Wholesale - Columbus | Columbus | OH | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| CCCovalence Coated Products | Columbus | GA | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| CPCrane Plastics | Columbus | OH | Plastics and Rubber Products Manufacturing326121 | — | ◇ UNVERIFIED |
| CPCrossland Prefab, LLC | Columbus | KS | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| CICummins, INC. | Columbus | IN | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| CICummins Incorporated Irwin Office Building | Columbus | IN | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| DIDarling Ingredients INC | Columbus | IN | Food Manufacturing311613 | — | ◇ UNVERIFIED |
| DSDecorative Surfaces International, INC. | Columbus | OH | Textile Mills313320 | — | ◇ UNVERIFIED |
| DIDelta Industries, INC - Plant 41 | Columbus | MS | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| DPDomtar Paper CO LLC | Columbus | MS | Paper Manufacturing322121 | — | ◇ UNVERIFIED |
| DLDph-das Llc, Columbus Operations | Columbus | OH | Fabricated Metal Product Manufacturing332510 | — | ◇ UNVERIFIED |
| DIDse, INC Dba Screen Technology Designs, INC | Columbus | IN | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| EPEko Peroxide LLC | Columbus | MS | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| EAEnkei America Moldings INC | Columbus | IN | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |
| EBExide Battery Plant | Columbus | GA | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| FEFaurecia Emissions Control Technologies USA LLC | Columbus | IN | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| FFFunk Finecast INC | Columbus | OH | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| GAG-cor Automotive CORP | Columbus | OH | Primary Metal Manufacturing331314 | — | ◇ UNVERIFIED |
| GCGehring Construction & Rdy Mix | Columbus | NE | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GCGeneral Casting CO Poulton Div | Columbus | OH | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| GCGerhold Concrete CO Columbus Plant | Columbus | NE | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| GCGolden Casting CORP | Columbus | IN | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| HPHanson Pipe & Products Ohio INC | Columbus | OH | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| HMHarry Masser CO INC | Columbus | OH | Primary Metal Manufacturing331318 | — | ◇ UNVERIFIED |
