| EMExcel Manufacturing Inc. | Seymour | IN | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| SPSpaceGuard Products | Seymour | IN | Fabricated Metal Product Manufacturing332618 | 20-99 | ◐ LIKELY ACTIVE |
| TAThe Andersons Seymour Terminal | Seymour | IN | Chemical Manufacturing325311 | — | ◐ LIKELY ACTIVE |
| VLValeo Lighting Systems NA LLC | Seymour | IN | Electrical Equipment, Appliance & Component Manufacturing335110 | — | ◐ LIKELY ACTIVE |
| WRWhite River Soy Processing LLC | Seymour | IN | Food Manufacturing311224 | — | ◐ LIKELY ACTIVE |
| AUAisin USA Mfg INC | Seymour | IN | Transportation Equipment Manufacturing336350 | — | ◐ LIKELY ACTIVE |
| OAO&k American CORP | Seymour | IN | Primary Metal Manufacturing331111 | — | ◐ LIKELY ACTIVE |
| HPHome Products International INC | Seymour | IN | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
Kenney Orthopedics of Seymour, LLC | Seymour | IN | Miscellaneous Manufacturing339113 | — | ◐ LIKELY ACTIVE |
| CICummins Industrial Center | Seymour | IN | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| SPSchwarz Pharma Mfg. | Seymour | IN | Chemical Manufacturing325411 | — | ◐ LIKELY ACTIVE |
| 1S104943 - Seymour Tubing Incorporated | Seymour | IN | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| 1A107186 - Aisin USA Manufacturing Incorporated | Seymour | IN | Transportation Equipment Manufacturing336390 | — | ◐ LIKELY ACTIVE |
| ASAll Star Asphalt Products, INC | Seymour | IN | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| CACort Acres Breaker Plant | Seymour | IN | Food Manufacturing311999 | — | ◐ LIKELY ACTIVE |
| CSCummins Seymour Engine Plant | Seymour | IN | Machinery Manufacturing333618 | 500+ | ◐ LIKELY ACTIVE |
| GBGuardian Bikes | Seymour | IN | Transportation Equipment Manufacturing336991 | 100-499 | ◐ LIKELY ACTIVE |
Indiana Oxygen Company-Seymour | Seymour | IN | Chemical Manufacturing325120 | 1-19 | ◐ LIKELY ACTIVE |
| IHInduction Heat Treating Seymour Corp | Seymour | IN | Fabricated Metal Product Manufacturing332811 | 1-19 | ◐ LIKELY ACTIVE |
| KVKaren's Vineyard & Winery | Seymour | IN | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| LGLydia Grove Estate Winery | Seymour | IN | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| MHMadden Hill Vineyard & Winery, LLC | Seymour | IN | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| NSNippon Steel Pipe America Inc | Seymour | IN | Primary Metal Manufacturing331110 | 100-499 | ◐ LIKELY ACTIVE |
| OAO&k American - Seymour Plant | Seymour | IN | Primary Metal Manufacturing331222 | 20-99 | ◐ LIKELY ACTIVE |
| SPSilgan Plastics | Seymour | IN | Plastics and Rubber Products Manufacturing326160 | 100-499 | ◐ LIKELY ACTIVE |
| SSSmalltown Spirits | Seymour | IN | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| TSTRG Seymour | Seymour | IN | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| VValeo | Seymour | IN | Transportation Equipment Manufacturing336320 | 500+ | ◐ LIKELY ACTIVE |