| HMHildreth Mfg LLC | Marion | OH | Primary Metal Manufacturing331522 | 20-99 | ◐ LIKELY ACTIVE |
| CMCenMac Metalworks | Marion | OH | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| CMCSP Marion | Marion | SC | Wood Product Manufacturing321215 | 20-99 | ◐ LIKELY ACTIVE |
| EIExplore Industries/ Leisure Pools Manufacturing USA Marion Inc. | Marion | SC | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| HSHighway Safety LLC | Marion | OH | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| HHvama02 | Marion | VA | Transportation Equipment Manufacturing336413 | 20-99 | ◐ LIKELY ACTIVE |
Indiana Oxygen Company-Marion | Marion | IN | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| KGKey Gas Components Inc | Marion | NC | Chemical Manufacturing325120 | 20-99 | ◐ LIKELY ACTIVE |
| LMLockheed Martin Corporation US MA Marion Front St (2448) | Marion | MA | Computer and Electronic Product Manufacturing334511 | 20-99 | ◐ LIKELY ACTIVE |
| MMarion | Marion | IN | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| MIMarion, IL | Marion | IL | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
| MIMarion I.S. Services | Marion | IN | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| MMMarion Machine | Marion | NC | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MMMarion Manufacturing, Inc. | Marion | KS | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| MPMD&A Parts OH | Marion | OH | Machinery Manufacturing333611 | 20-99 | ◐ LIKELY ACTIVE |
| MMMRC Management Services | Marion | OH | Electrical Equipment, Appliance & Component Manufacturing335224 | 20-99 | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Midwest LLC Marion, Ohio | Marion | OH | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| OIOHE Industries | Marion | IA | Computer and Electronic Product Manufacturing334419 | 20-99 | ◐ LIKELY ACTIVE |
| PMPeerless Machine & Tool Corporation | Marion | IN | Machinery Manufacturing333243 | 20-99 | ◐ LIKELY ACTIVE |
| RMRiAlto Mfg Inc | Marion | OH | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| RTRiley Tool and Machine, Inc. | Marion | KY | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| RRRogers Ready Mix | Marion | IA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| SISimcote, Inc. - OH | Marion | OH | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| TWThe Wilson Bohannan Company | Marion | OH | Fabricated Metal Product Manufacturing332510 | 20-99 | ◐ LIKELY ACTIVE |
| TIToolco Industrial Corporation | Marion | NC | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |