| 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 |
| BBBimbo Bakeries USA INC | Madison | WI | Food Manufacturing311810 | — | ◇ UNVERIFIED |
| CCatalent | Madison | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| DSDaylight Solutions INC | Madison | WI | Computer and Electronic Product Manufacturing334410 | — | ◇ UNVERIFIED |
| ESExact Sciences | Madison | WI | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| FCFeynman Center | Madison | WI | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| HIHologic INC | Madison | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| KFKraft Foods - Oscar Mayer | Madison | WI | Food Manufacturing311610 | — | ◇ UNVERIFIED |
| LPLitho Productions | Madison | WI | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| PCPromega CORP - Biopharmaceutical Tech Ctr | Madison | WI | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| RCRayovac CORP Madison | Madison | WI | Electrical Equipment, Appliance & Component Manufacturing335910 | — | ◇ UNVERIFIED |
| RIRoyster-clark Incorporated | Madison | WI | Chemical Manufacturing325310 | — | ◇ UNVERIFIED |
| SCStratatech CORP | Madison | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| SFSub-zero Freezer CO INC | Madison | WI | Electrical Equipment, Appliance & Component Manufacturing335200 | — | ◇ UNVERIFIED |
| TCThe Carlson CO | Madison | WI | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| TEThermo Electron CORP. | Madison | WI | Computer and Electronic Product Manufacturing334510 | — | ◇ UNVERIFIED |
| VPVita Plus Madison Production | Madison | WI | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| WIWebcrafters, INC. | Madison | WI | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| WSWeir Slurry Group, INC | Madison | WI | Machinery Manufacturing333910 | — | ◇ UNVERIFIED |
| 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 |
| DTDiscordant Technologies LLC | Madison | WI | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| EMEK Machine_Plant 4 | Madison | WI | Fabricated Metal Product Manufacturing332999 | 1-19 | ◐ LIKELY ACTIVE |