| 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 |
| IPIdeal Pase, A Massman Company | Madison | WI | Machinery Manufacturing333993 | 20-99 | ◐ LIKELY ACTIVE |
| IFImaginary Factory | Madison | WI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| IEIsthmus Engineering and Manufacturing | Madison | WI | Machinery Manufacturing333999 | 20-99 | ◐ LIKELY ACTIVE |
| JCJust Coffee Cooperative | Madison | WI | Food Manufacturing311920 | 20-99 | ◐ LIKELY ACTIVE |
La Crosse Sign Co. Inc. - Madison | Madison | WI | Miscellaneous Manufacturing339950 | 1-19 | ◐ LIKELY ACTIVE |
| LLLuminex LMA | Madison | WI | Chemical Manufacturing325413 | 20-99 | ◐ LIKELY ACTIVE |
| LALW Allen LLC | Madison | WI | Computer and Electronic Product Manufacturing334513 | 20-99 | ◐ LIKELY ACTIVE |
| MMadison | Madison | WI | Chemical Manufacturing325414 | 500+ | ◐ LIKELY ACTIVE |
| MEMadison Electrolyte Blending Facility | Madison | WI | Electrical Equipment, Appliance & Component Manufacturing335910 | 1-19 | ◐ LIKELY ACTIVE |
| MKMadison Kipp Corporation - North | Madison | WI | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| MKMadison Kipp Corporation South Plant/Corporate | Madison | WI | Primary Metal Manufacturing331523 | 20-99 | ◐ LIKELY ACTIVE |
| MWMadison, WI | Madison | WI | Computer and Electronic Product Manufacturing334418 | 1-19 | ◐ LIKELY ACTIVE |
| MLMad Local Food Group, LLC dba Pasture and Plenty | Madison | WI | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| MSMeat Science and Animal Biologics Discovery | Madison | WI | Food Manufacturing311611 | — | ◐ LIKELY ACTIVE |
| M6MilliporeSigma 601 | Madison | WI | Chemical Manufacturing325411 | 1-19 | ◐ LIKELY ACTIVE |
| M6MilliporeSigma 636 | Madison | WI | Chemical Manufacturing325411 | 20-99 | ◐ LIKELY ACTIVE |
| M6MilliporeSigma 645 | Madison | WI | Chemical Manufacturing325411 | 100-499 | ◐ LIKELY ACTIVE |
| MIMotibera, INC. | Madison | WI | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◐ LIKELY ACTIVE |
| OFOdilon Ford Winery | Madison | WI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| PCPlacon Corporation | Madison | WI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| RPResearch Products, Madison Campus - AprilAire Plant, Tech Center | Madison | WI | Machinery Manufacturing333413 | 100-499 | ◐ LIKELY ACTIVE |
| RCRestoration Cider Works | Madison | WI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| TPTekni Plex, Femrite Drive | Madison | WI | Plastics and Rubber Products Manufacturing326112 | 1-19 | ◐ LIKELY ACTIVE |
| TCThe Cider Farm | Madison | WI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| URUnited Refrigeration, INC | Madison | WI | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| UWUS278 WI Madison | Madison | WI | Miscellaneous Manufacturing339112 | 20-99 | ◐ LIKELY ACTIVE |
| VPVita Plus Corporation | Madison | WI | Food Manufacturing311119 | 100-499 | ◐ LIKELY ACTIVE |
| VPVita Plus - Distribution Center | Madison | WI | Food Manufacturing311119 | 20-99 | ◐ LIKELY ACTIVE |
| WCWi107 Cameca Instruments, INC. | Madison | WI | Computer and Electronic Product Manufacturing334516 | 20-99 | ◐ LIKELY ACTIVE |
| WFWisconsin Foam Company | Madison | WI | Plastics and Rubber Products Manufacturing326140 | 20-99 | ◐ LIKELY ACTIVE |
| YBYahara Bay Distillers, INC. | Madison | WI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| YBYoung Blood Beer Company | Madison | WI | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| T9Tribe 9 Foods | Madison | WI | Food Manufacturing311911 | — | ◇ UNVERIFIED |
| VIValiant, INC. | Madison | WI | Miscellaneous Manufacturing339930 | — | ◇ UNVERIFIED |
| AMAAM Manufacturing, LLC | Madison | WI | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| APAdame Pallets LLC | Madison | WI | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| ACAdvance Concrete Form, Inc.. | Madison | WI | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| AAAdvantage Aero, INC. | Madison | WI | Primary Metal Manufacturing331313 | — | ◇ UNVERIFIED |
| BFBagels Forever, INC. | Madison | WI | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| BBBloom Bake Shop LLC | Madison | WI | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| BCBock CORP | Madison | WI | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| CCCapital City Culvert Corporation | Madison | WI | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| CSChocolate Shoppe Ice Cream | Madison | WI | Food Manufacturing311520 | — | ◇ UNVERIFIED |