| AIAmg Industries INC | Mount Vernon | OH | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| OCOwens Corning (0142010065) | Mount Vernon | OH | Nonmetallic Mineral Product Manufacturing327993 | — | ◐ LIKELY ACTIVE |
| PSPrestress Services Industries, LLC - Plant 6 | Mount Vernon | OH | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| ACAriel CORP - Bj1 (0142000060) | Mount Vernon | OH | Machinery Manufacturing333912 | — | ◐ LIKELY ACTIVE |
| COCentral Ohio Fabricators, INC. | Mount Vernon | OH | Machinery Manufacturing333992 | 20-99 | ◐ LIKELY ACTIVE |
| SJSaint Joseph Mint | Mount Vernon | OH | Primary Metal Manufacturing331491 | — | ◐ LIKELY ACTIVE |
| IPInternational Paper (0142010051) | Mount Vernon | OH | Paper Manufacturing322211 | — | ◐ LIKELY ACTIVE |
| RMReplex Mirror Company (0142000109) | Mount Vernon | OH | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| ACAriel Corporation | Mount Vernon | OH | Machinery Manufacturing333912 | 500+ | ◐ LIKELY ACTIVE |
| EBEllis Brothers Inc | Mount Vernon | OH | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| MPMauser Packaging Solutions Mt Vernon IBC | Mount Vernon | OH | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| NANorth America Mt. Vernon | Mount Vernon | OH | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| OCOwens Corning Mount Vernon | Mount Vernon | OH | Nonmetallic Mineral Product Manufacturing327993 | 20-99 | ◐ LIKELY ACTIVE |
| SSShort - Street LLC | Mount Vernon | OH | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| SGS&S Gilardi, Inc. | Mount Vernon | OH | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| VIVer-Mac Industries, Inc. | Mount Vernon | OH | Fabricated Metal Product Manufacturing332114 | 20-99 | ◐ LIKELY ACTIVE |