| MMarion | Marion | IN | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| MFMarion Feed Mill | Marion | TX | Food Manufacturing311119 | 1-19 | ◐ 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 |
| MPMD&A Parts OH | Marion | OH | Machinery Manufacturing333611 | 20-99 | ◐ LIKELY ACTIVE |
| MYMotherson Yachiyo US Automotive Systems, Inc | Marion | OH | Transportation Equipment Manufacturing336390 | 100-499 | ◐ LIKELY ACTIVE |
| MSMountain Solutions | Marion | NC | Beverage and Tobacco Product Manufacturing312112 | — | ◐ LIKELY ACTIVE |
| NRNucor Rebar Fabrication Midwest LLC Marion, Ohio | Marion | OH | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| PCParker-hannifin Corporation | Marion | NY | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| PGPhoenix Global, LLC-Marion | Marion | OH | Primary Metal Manufacturing331110 | 1-19 | ◐ LIKELY ACTIVE |
| PPPioneer Packaging Company LLC - Marion | Marion | IN | Wood Product Manufacturing321920 | 1-19 | ◐ LIKELY ACTIVE |
| PCPrysmian Cables and Systems USA, LLC Marion | Marion | IN | Electrical Equipment, Appliance & Component Manufacturing335929 | 100-499 | ◐ LIKELY ACTIVE |
| RMReElement Marion Facility | Marion | IN | Chemical Manufacturing325180 | 1-19 | ◐ LIKELY ACTIVE |
| RResistoflex | Marion | NC | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
| RRRogers Ready Mix | Marion | IA | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| SUSakamura USA Inc. | Marion | OH | Machinery Manufacturing333517 | 1-19 | ◐ LIKELY ACTIVE |
| SSevier | Marion | NC | Textile Mills313310 | 100-499 | ◐ LIKELY ACTIVE |
| SISimcote, Inc. - OH | Marion | OH | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| SFStok Federal Services, LLC | Marion | IL | Transportation Equipment Manufacturing336110 | — | ◐ LIKELY ACTIVE |
| TLTavernkeeper LLC | Marion | IA | Food Manufacturing311942 | — | ◐ LIKELY ACTIVE |
| TIToolco Industrial Corporation | Marion | NC | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| TIToolcraft, Inc | Marion | NC | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| VMVinduska Meadery, LLC | Marion | KS | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WTWalnut Tree Winery | Marion | IA | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |