| GPGlobal Power Components-51st St | Milwaukee | WI | Fabricated Metal Product Manufacturing332311 | 500+ | ◐ LIKELY ACTIVE |
| KSKlement Sausage CO INC | Milwaukee | WI | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| LPLeader Paper Products, INC. | Milwaukee | WI | Paper Manufacturing322230 | 20-99 | ◐ LIKELY ACTIVE |
| MCMasterson Company, the | Milwaukee | WI | Food Manufacturing311999 | 100-499 | ◐ LIKELY ACTIVE |
| MAMaterion Advanced Chemicals INC. | Milwaukee | WI | Chemical Manufacturing325180 | — | ◐ LIKELY ACTIVE |
| MFMid-City Foundry Co. - Milwaukee Division | Milwaukee | WI | Primary Metal Manufacturing331510 | 20-99 | ◐ LIKELY ACTIVE |
| MFMilwaukee Forgetech INC. | Milwaukee | WI | Primary Metal Manufacturing331111 | — | ◐ LIKELY ACTIVE |
| NPNational Plating CO | Milwaukee | WI | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| NANorth American Clutch CORP | Milwaukee | WI | Machinery Manufacturing333112 | 20-99 | ◐ LIKELY ACTIVE |
| NBNovozymes BioAg Inc - Milwaukee | Milwaukee | WI | Chemical Manufacturing325188 | 20-99 | ◐ LIKELY ACTIVE |
| PTPak Technologies - Good Hope | Milwaukee | WI | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| PVPalermo Villa, Inc. | Milwaukee | WI | Food Manufacturing311412 | — | ◐ LIKELY ACTIVE |
| RBR & B Wagner INC | Milwaukee | WI | Fabricated Metal Product Manufacturing332323 | — | ◐ LIKELY ACTIVE |
| RMRes Manufacturing CO | Milwaukee | WI | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| STSchaefer Tool and Manufacturing CO. INC. | Milwaukee | WI | Fabricated Metal Product Manufacturing332111 | 20-99 | ◐ LIKELY ACTIVE |
| TSTitan Spine, INC | Milwaukee | WI | Miscellaneous Manufacturing339110 | 20-99 | ◐ LIKELY ACTIVE |
| TTTradebe Treatment and Recycling of Wi LLC | Milwaukee | WI | Miscellaneous Manufacturing339940 | — | ◐ LIKELY ACTIVE |
| TTTriangle Tool, LLC | Milwaukee | WI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| APAdvanced Plating Technologies | Milwaukee | WI | Fabricated Metal Product Manufacturing332810 | — | ◐ LIKELY ACTIVE |
| BFBluegrass Flexible Packaging LLC | Milwaukee | WI | Paper Manufacturing322130 | — | ◐ LIKELY ACTIVE |
| HCHellermanntyton CORP | Milwaukee | WI | Plastics and Rubber Products Manufacturing326130 | — | ◐ LIKELY ACTIVE |
| 1M1009 - Milwaukee | Milwaukee | WI | Beverage and Tobacco Product Manufacturing312111 | 100-499 | ◐ LIKELY ACTIVE |
| 3304 | Milwaukee | WI | Food Manufacturing311612 | 20-99 | ◐ LIKELY ACTIVE |
| 3304a | Milwaukee | WI | Food Manufacturing311612 | 100-499 | ◐ LIKELY ACTIVE |
| 3U3 Up Metal Works LLC | Milwaukee | WI | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| 6S60th Street Converting | Milwaukee | WI | Paper Manufacturing322291 | 100-499 | ◐ LIKELY ACTIVE |
| ASAalberts Surface Technologies- Milwaukee | Milwaukee | WI | Fabricated Metal Product Manufacturing332812 | 1-19 | ◐ LIKELY ACTIVE |
Adaptive Micro Systems, LLC | Milwaukee | WI | Miscellaneous Manufacturing339950 | 20-99 | ◐ LIKELY ACTIVE |
| AMAlta Medical LLC | Milwaukee | WI | Miscellaneous Manufacturing339113 | — | ◐ LIKELY ACTIVE |
| APAmerican Pasteurization Company | Milwaukee | WI | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| AIAmsoil INC. (mke) | Milwaukee | WI | Petroleum and Coal Products Manufacturing324191 | 20-99 | ◐ LIKELY ACTIVE |
| ATArrow Tool & Stamping Company, Inc | Milwaukee | WI | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| ADASI Doors, Inc. | Milwaukee | WI | Fabricated Metal Product Manufacturing332321 | 20-99 | ◐ LIKELY ACTIVE |
| AGAZZ Galvanizing and Plating - Milwaukee LLC | Milwaukee | WI | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| BABadger Alloys- Machine shop | Milwaukee | WI | Primary Metal Manufacturing331513 | 1-19 | ◐ LIKELY ACTIVE |
| BABadger Alloys- Pattern Shop | Milwaukee | WI | Primary Metal Manufacturing331513 | 1-19 | ◐ LIKELY ACTIVE |
| BVBay View Packing Company | Milwaukee | WI | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| CCCache Cellar | Milwaukee | WI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| CSCapital Stampings Corp | Milwaukee | WI | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| CCargill | Milwaukee | WI | Food Manufacturing311351 | 100-499 | ◐ LIKELY ACTIVE |
| CPCorrugated Packaging Milwaukee SF | Milwaukee | WI | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| CMCountry Maid, Inc. | Milwaukee | WI | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| CECutting Edge Fabrication, Inc | Milwaukee | WI | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| DEDash Enterprises INC | Milwaukee | WI | Electrical Equipment, Appliance & Component Manufacturing335139 | — | ◐ LIKELY ACTIVE |
| DIDCS, Inc. | Milwaukee | WI | Chemical Manufacturing325130 | 20-99 | ◐ LIKELY ACTIVE |
| DBDead Bird Brewing Company | Milwaukee | WI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| DMDerse Milwaukee & Corporate | Milwaukee | WI | Miscellaneous Manufacturing339950 | 100-499 | ◐ LIKELY ACTIVE |
| DPDiamond Precision Products | Milwaukee | WI | Machinery Manufacturing333612 | 20-99 | ◐ LIKELY ACTIVE |
| DDDouglas Dynamics, aka Western Products | Milwaukee | WI | Machinery Manufacturing333120 | 100-499 | ◐ LIKELY ACTIVE |
| EPEagle Park Distilling | Milwaukee | WI | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |