| OSOutokumpu Stainless USA LLC | Mount Vernon | AL | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| AMAdm Milling Company | Mount Vernon | IN | Food Manufacturing311211 | — | ◐ LIKELY ACTIVE |
| AMAsphalt Materials, INC. | Mount Vernon | IN | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
Continental Tire the Americas | Mount Vernon | IL | Plastics and Rubber Products Manufacturing326211 | 500+ | ◐ LIKELY ACTIVE |
| 5C5R Custom Meats | Mt. Vernon | AR | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| AMAstraZeneca - Mt.Vernon | Mount Vernon | IN | Chemical Manufacturing325412 | 500+ | ◐ LIKELY ACTIVE |
| DHDavid Hamilton Winery LLC | Mt Vernon | OR | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| JMJames McAvene Meadery | Mt.vernon | OH | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| MAMarco a Terex brand | Mount Vernon | MO | Machinery Manufacturing333922 | 20-99 | ◐ LIKELY ACTIVE |
| MBMdi Bsb, LLC | Mt. Vernon | MO | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| MVMount Vernon Flour Mill | Mount Vernon | IN | Food Manufacturing311211 | 20-99 | ◐ LIKELY ACTIVE |
| MVMt Vernon | Mount Vernon | IL | Beverage and Tobacco Product Manufacturing312111 | 20-99 | ◐ LIKELY ACTIVE |
| MVMt Vernon, OH | Mount Vernon | OH | Paper Manufacturing322220 | 20-99 | ◐ LIKELY ACTIVE |
| MVMt. Vernon Soybean Processing | Mount Vernon | IN | Food Manufacturing311224 | 100-499 | ◐ LIKELY ACTIVE |
| MVMt. Vernon TPO | Mount Vernon | IN | Plastics and Rubber Products Manufacturing326130 | 20-99 | ◐ LIKELY ACTIVE |
| PTPrimetals Technologies - Calvert | Mount Vernon | AL | Machinery Manufacturing333519 | 1-19 | ◐ LIKELY ACTIVE |
| RRRost Ready Mix Chespeake | Mount Vernon | MO | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| SWSedro Woolley Distilling LLC | Mt. Vernon | WA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| SJSRM Jenna LLC | Mount Vernon | NY | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |