| HSHeidtman Steel Products | Butler, IN | Primary Metal Manufacturing331110 | 100–499 | ● ACTIVE |
| MTMetal Technologies Auburn LLC | Auburn, IN | Primary Metal Manufacturing331511 | 100–499 | ● ACTIVE |
| AGAuburn Gear INC | Auburn, IN | Machinery Manufacturing333612 | 100–499 | ● ACTIVE |
Auburn Manufacturing, INC | Auburn, IN | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Prince Manufacturing Corporation | Garrett, IN | Fabricated Metal Product Manufacturing332812 | — | ● ACTIVE |
Rhinehart Finishing, LLC | Spencerville, IN | Fabricated Metal Product Manufacturing332322 | — | ● ACTIVE |
Star Technology Incorporated | Waterloo, IN | Chemical Manufacturing325520 | — | ● ACTIVE |
B & C Industrial Products, INC | Garrett, IN | Machinery Manufacturing333922 | — | ● ACTIVE |
| CECct Enterprises, LLC | Auburn, IN | Fabricated Metal Product Manufacturing332721 | — | ● ACTIVE |
Magitek, LLC | Hamilton, IN | Computer and Electronic Product Manufacturing334510 | — | ● ACTIVE |
Three Daughters CORP | Auburn, IN | Fabricated Metal Product Manufacturing332721 | — | ● ACTIVE |
Tr Manufacturing, LLC | Garrett, IN | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
Zf Active Safety US INC | Garrett, IN | Transportation Equipment Manufacturing336340 | — | ● ACTIVE |
| DMDekalb Metal Finishing Corporation | Auburn, IN | Fabricated Metal Product Manufacturing332812 | 20–99 | ◐ LIKELY ACTIVE |
| MIMultimatic Indiana Incorporated | Butler, IN | Transportation Equipment Manufacturing336370 | 100–499 | ◐ LIKELY ACTIVE |
| CMCharleston Metal Products INC | Waterloo, IN | Fabricated Metal Product Manufacturing332721 | 20–99 | ◐ LIKELY ACTIVE |
| EMElectric Motors & Specialties INC | Garrett, IN | Electrical Equipment, Appliance & Component Manufacturing335312 | 20–99 | ◐ LIKELY ACTIVE |
Griffith Rubber Mills of Garrett, INC. | Garrett, IN | Plastics and Rubber Products Manufacturing326291 | — | ◐ LIKELY ACTIVE |
| GDGroup Dekko INC | Garrett, IN | Electrical Equipment, Appliance & Component Manufacturing335132 | — | ◐ LIKELY ACTIVE |
| MPMomentive Performance Materials | Garrett, IN | Chemical Manufacturing325211 | 20–99 | ◐ LIKELY ACTIVE |
| NMNew Millenium Building Systems LLC | Butler, IN | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| NVNucor Vulcraft Group Saint Joe Div | Saint Joe, IN | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| SDSteel Dynamics Incorporated | Butler, IN | Primary Metal Manufacturing331110 | — | ◐ LIKELY ACTIVE |
| TATower Automotive Products INC | Auburn, IN | Fabricated Metal Product Manufacturing332116 | — | ◐ LIKELY ACTIVE |
| CUContech Us, LLC | Auburn, IN | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| CUContitech USA Incorporated | Auburn, IN | Plastics and Rubber Products Manufacturing326291 | — | ◐ LIKELY ACTIVE |
| FIFxi INC | Auburn, IN | Plastics and Rubber Products Manufacturing326140 | — | ◐ LIKELY ACTIVE |
| SIScot Industries, INC | Auburn, IN | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| TCTherma-tru CORP. - Butler | Butler, IN | Wood Product Manufacturing321911 | — | ◐ LIKELY ACTIVE |
| BBBall Brass & Aluminum Foundry | Auburn, IN | Primary Metal Manufacturing331524 | — | ◇ UNVERIFIED |
| AIAshley Industrial Molding INC | Ashley, IN | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| BCBrooks Construction Company INC | Auburn, IN | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| HIHudson Industries INC | Hudson, IN | Transportation Equipment Manufacturing336370 | 100–499 | ◐ LIKELY ACTIVE |
| JIJanus IN | Butler, IN | Fabricated Metal Product Manufacturing332321 | 100–499 | ◐ LIKELY ACTIVE |
| MMetalx | Auburn, IN | Primary Metal Manufacturing331314 | — | ◐ LIKELY ACTIVE |
| NMNew Millennium Building Systems, LLC. - Butler | Butler, IN | Fabricated Metal Product Manufacturing332312 | 100–499 | ◐ LIKELY ACTIVE |
| NBNucor Building Systems | Waterloo, IN | Fabricated Metal Product Manufacturing332311 | 500+ | ◐ LIKELY ACTIVE |
| NFNucor Fastener | Saint Joe, IN | Fabricated Metal Product Manufacturing332312 | 100–499 | ◐ LIKELY ACTIVE |
| RPRieke Packaging Systems | Auburn, IN | Plastics and Rubber Products Manufacturing326199 | — | ◐ LIKELY ACTIVE |
| SLScp Limited Incorporated | Auburn, IN | Computer and Electronic Product Manufacturing334512 | — | ◐ LIKELY ACTIVE |
| SGStafford Gravel Incorporated | Butler, IN | Nonmetallic Mineral Product Manufacturing327991 | — | ◐ LIKELY ACTIVE |
| BDBenchmark Distribution Terminals, LLC | Waterloo, IN | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| CACj Automotive Indiana LLC | Butler, IN | Fabricated Metal Product Manufacturing332216 | — | ◐ LIKELY ACTIVE |
| TTruecore | Waterloo, IN | Fabricated Metal Product Manufacturing332311 | — | ◐ LIKELY ACTIVE |
| AFAuburn Foundry, INC Plant 1 | Auburn, IN | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| BIBiolab INC | Ashley, IN | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| BMButler Mill Service Company | Butler, IN | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CMColor Master INC | Butler, IN | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| ECEaton Corporation Clutch Divi | Auburn, IN | Transportation Equipment Manufacturing336350 | — | ◇ UNVERIFIED |
| GAGuardian Automotive Products Incorporated | Auburn, IN | Nonmetallic Mineral Product Manufacturing327215 | — | ◇ UNVERIFIED |