| ASArvin Sango Incorporated | Madison | IN | Fabricated Metal Product Manufacturing332119 | 500+ | ● ACTIVE |
 Grote Industries INC | Madison | IN | Transportation Equipment Manufacturing336320 | 500+ | ● ACTIVE |
| UPUS Premier Tube Mills, LLC | Madison | IN | Primary Metal Manufacturing331111 | 100-499 | ● ACTIVE |
 Vehicle Service Group, LLC | Madison | IN | Machinery Manufacturing333921 | 500+ | ● ACTIVE |
| MCMadison Chemical CO INC | Madison | IN | Chemical Manufacturing325611 | 100-499 | ● ACTIVE |
 Double Tap Industries, LLC | Madison | IN | Miscellaneous Manufacturing339920 | — | ● ACTIVE |
 Independence Machine & Tool LLC | Madison | IN | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
 Online Services INC | Madison | IN | Plastics and Rubber Products Manufacturing326111 | — | ● ACTIVE |
| PPProcoat Products | Madison | IN | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| MTMadison Tool Incorporated | Madison | IN | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| RRoyer | Madison | IN | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| EIEnvirex, INC | Madison | IN | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| HCHanover College | Madison | IN | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| MPMadison Precision Products INC | Madison | IN | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| RLRobus Leather CORP. | Madison | IN | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| MPMad Paddle Spirits | Madison | IN | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| MMMeese - Madison | Madison | IN | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| NDNucor Data Systems | Madison | IN | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| TTThe Thomas Family Winery | Madison | IN | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| BPBarr Properties, LLC | Madison | IN | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CTCentury Tube LLC | Madison | IN | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| HDHI Def Machining LLC | Madison | IN | Machinery Manufacturing333519 | — | ◇ UNVERIFIED |
| LNLeach & Napier, LLC | Madison | IN | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| NMNew Madison Brewing Company LLC | Madison | IN | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| NTNucor Tubular Products | Madison | IN | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| RCRiver City Printing, LLC | Madison | IN | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
