| BBoumatic | Madison | WI | Chemical Manufacturing325320 | 100-499 | ◐ LIKELY ACTIVE |
| NMNeuwave Medical, INC. | Madison | WI | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| PPromega | Madison | WI | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| MCMadison-kipp CORP - Waubesa | Madison | WI | Primary Metal Manufacturing331521 | — | ◐ LIKELY ACTIVE |
| SISafc INC | Madison | WI | Chemical Manufacturing325411 | — | ◐ LIKELY ACTIVE |
| GJGiant Jones Brewing LLC | Madison | WI | Beverage and Tobacco Product Manufacturing312120 | — | ◐ LIKELY ACTIVE |
| PSPhasetech Spectroscopy INC. | Madison | WI | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
Whole Trees, LLC | Madison | WI | Wood Product Manufacturing321999 | — | ◐ LIKELY ACTIVE |
| WTWork Truck Stuff INC | Madison | WI | Transportation Equipment Manufacturing336211 | — | ◐ LIKELY ACTIVE |
| A1Accuray 1209 | Madison | WI | Computer and Electronic Product Manufacturing334517 | 100-499 | ◐ LIKELY ACTIVE |
| AEAJLS Enterprises Inc. dba Schoep's Ice Cream | Madison | WI | Food Manufacturing311520 | 100-499 | ◐ LIKELY ACTIVE |
| AFAmcor Flexibles LLC | Madison | WI | Plastics and Rubber Products Manufacturing326112 | — | ◐ LIKELY ACTIVE |
| APAmerican Printing | Madison | WI | Printing and Related Support Activities323110 | 20-99 | ◐ LIKELY ACTIVE |
| BSBavaria Sausage of Wisconsin, Inc. | Madison | WI | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| BMBos Meadery | Madison | WI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| CSChocolate Shoppe Ice Cream Company Inc. Manufacturing Plant | Madison | WI | Food Manufacturing311520 | 100-499 | ◐ LIKELY ACTIVE |
| FFFranklin Fueling Systems - Madison | Madison | WI | Machinery Manufacturing333911 | 100-499 | ◐ LIKELY ACTIVE |
| HMHoffman Manufacturing Corp | Madison | WI | Furniture and Related Product Manufacturing337215 | 20-99 | ◐ LIKELY ACTIVE |
| IIllumina | Madison | WI | Chemical Manufacturing325413 | 100-499 | ◐ LIKELY ACTIVE |
| MIMCD, Inc. | Madison | WI | Paper Manufacturing322200 | 20-99 | ◐ LIKELY ACTIVE |
| PCPromega CORP | Madison | WI | Chemical Manufacturing325413 | — | ◐ LIKELY ACTIVE |
| SLState Line Distillery | Madison | WI | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| SPStearns Packaging Corporation | Madison | WI | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| TLTherma-stor LLC | Madison | WI | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| T1Tier 1 Nutritionals, Inc. | Madison | WI | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| GMGsp Midwest INC | Madison | WI | Printing and Related Support Activities323110 | — | ◐ LIKELY ACTIVE |
| LELabcorp Early Development Laboratories INC | Madison | WI | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| LLLsne-madison LLC | Madison | WI | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| NMNorthstar Medical Radioisotopes, LLC. | Madison | WI | Chemical Manufacturing325412 | — | ◐ LIKELY ACTIVE |
| UPUniversal Presentation Concepts | Madison | WI | Furniture and Related Product Manufacturing337215 | — | ◐ LIKELY ACTIVE |
| ABAccuray Badger Rd | Madison | WI | Computer and Electronic Product Manufacturing334517 | 20-99 | ◐ LIKELY ACTIVE |
| AOAlpha Omega LLC | Madison | WI | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| ABALT Brew | Madison | WI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| AFAmcor Flexibles Madison | Madison | WI | Plastics and Rubber Products Manufacturing326112 | 100-499 | ◐ LIKELY ACTIVE |
| ATAnimolecule Technologies LLC | Madison | WI | Computer and Electronic Product Manufacturing334516 | — | ◐ LIKELY ACTIVE |
| ADApex Dental Laboratory of Madison | Madison | WI | Miscellaneous Manufacturing339116 | 1-19 | ◐ LIKELY ACTIVE |
| BRBlack Rose Blending Company | Madison | WI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| CWC2 Wisconsin Madison Femrite Drive | Madison | WI | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◐ LIKELY ACTIVE |
| CSCentral Storage & Warehouse Co | Madison | WI | — | — | ◐ LIKELY ACTIVE |
| C9Company 91 LLC | Madison | WI | Computer and Electronic Product Manufacturing334519 | — | ◐ LIKELY ACTIVE |
| CCorporate | Madison | WI | Food Manufacturing311340 | 100-499 | ◐ LIKELY ACTIVE |
| DMDanisco Madison | Madison | WI | Food Manufacturing311999 | 100-499 | ◐ LIKELY ACTIVE |
| EMEK Machine_Plant 4 | Madison | WI | Fabricated Metal Product Manufacturing332999 | 1-19 | ◐ LIKELY ACTIVE |
| EAEnvigo an Inotiv Company (304) | Madison | WI | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| FHFUJIFILM Holdings Corporation, Madison WI | Madison | WI | Computer and Electronic Product Manufacturing334118 | 100-499 | ◐ LIKELY ACTIVE |
Gamber-Johnson LLC - Madison | Madison | WI | Fabricated Metal Product Manufacturing332999 | 1-19 | ◐ LIKELY ACTIVE |
| GMGEHC Madison WI HCS | Madison | WI | Miscellaneous Manufacturing339112 | 500+ | ◐ LIKELY ACTIVE |
| GPGlobal Prosthetics INC | Madison | WI | Miscellaneous Manufacturing339115 | — | ◐ LIKELY ACTIVE |
| GAGood Aerospace LLC | Madison | WI | Transportation Equipment Manufacturing336411 | — | ◐ LIKELY ACTIVE |
| HHangar | Madison | WI | Food Manufacturing311340 | 1-19 | ◐ LIKELY ACTIVE |