| ACArrowhead Conveyor LLC | Oshkosh | WI | Machinery Manufacturing333922 | 100-499 | ◐ LIKELY ACTIVE |
| BMBadger Meter Racine | Racine | WI | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| BBoumatic | Madison | WI | Chemical Manufacturing325320 | 100-499 | ◐ LIKELY ACTIVE |
| FIFeeco International INC | Green Bay | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| FGFives Giddings & Lewis, LLC | Fond Du Lac | WI | Machinery Manufacturing333510 | 100-499 | ◐ LIKELY ACTIVE |
| KLKs Large Bore Pistons INC | Marinette | WI | Machinery Manufacturing333618 | 100-499 | ◐ LIKELY ACTIVE |
| KNKuhn North America INC | Brodhead | WI | Machinery Manufacturing333110 | 100-499 | ◐ LIKELY ACTIVE |
| MOMetalcraft of Mayville-beaver Dam | Beaver Dam | WI | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| MOMetalcraft of Mayville - Fall River | Fall River | WI | Fabricated Metal Product Manufacturing332312 | 100-499 | ◐ LIKELY ACTIVE |
| NGNord Gear CORP | Waunakee | WI | Machinery Manufacturing333248 | 100-499 | ◐ LIKELY ACTIVE |
| PPPioneer Products | Racine | WI | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| RIRamrod Industries LLC | Spencer | WI | Machinery Manufacturing333995 | 20-99 | ◐ LIKELY ACTIVE |
| RIRexnord Industries LLC Gear Group | Milwaukee | WI | Primary Metal Manufacturing331513 | — | ◐ LIKELY ACTIVE |
| WBWaukesha Bearings CORP | Antigo | WI | Machinery Manufacturing333613 | — | ◐ LIKELY ACTIVE |
| AGAcs Group | New Berlin | WI | Machinery Manufacturing333248 | 100-499 | ◐ LIKELY ACTIVE |
| ADAllied Dies INC | Chippewa Falls | WI | Machinery Manufacturing333249 | 20-99 | ◐ LIKELY ACTIVE |
Angi Energy Systems, LLC | Janesville | WI | Machinery Manufacturing333298 | — | ◐ LIKELY ACTIVE |
| AIAshland Industries INC | Ashland | WI | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| ABAstec Burlington | Burlington | WI | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| BPBw Papersystems | Phillips | WI | Fabricated Metal Product Manufacturing332710 | 500+ | ◐ LIKELY ACTIVE |
| CCCarnes CO | Verona | WI | Machinery Manufacturing333410 | 20-99 | ◐ LIKELY ACTIVE |
| CGC. G. Bretting Manufacturing Co., INC. | Ashland | WI | Paper Manufacturing322299 | 100-499 | ◐ LIKELY ACTIVE |
| C2Chapter 2 INC | Lake Mills | WI | Fabricated Metal Product Manufacturing332990 | 20-99 | ◐ LIKELY ACTIVE |
| CMChurch Metal Spinning CO | Milwaukee | WI | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| CCCmd CORP | Appleton | WI | Machinery Manufacturing333248 | 100-499 | ◐ LIKELY ACTIVE |
| CACreative Automation INC | Abbotsford | WI | Machinery Manufacturing333210 | 20-99 | ◐ LIKELY ACTIVE |
| CFCummins Filtrations | Mineral Point | WI | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| DIDynex-rivett INC | Pewaukee | WI | Machinery Manufacturing333995 | 20-99 | ◐ LIKELY ACTIVE |
| EIEtw INC | Waukesha | WI | Machinery Manufacturing333512 | 20-99 | ◐ LIKELY ACTIVE |
| FMFabricated Metal Products | Milwaukee | WI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| FIFederal Industries | Belleville | WI | Machinery Manufacturing333410 | 100-499 | ◐ LIKELY ACTIVE |
| FSFluid System Components INC | De Pere | WI | Fabricated Metal Product Manufacturing332912 | 20-99 | ◐ LIKELY ACTIVE |
| GAGenesis Attachments | Superior | WI | Machinery Manufacturing333120 | 100-499 | ◐ LIKELY ACTIVE |
| GMGraetz Mfg INC | Pound | WI | Fabricated Metal Product Manufacturing332320 | 20-99 | ◐ LIKELY ACTIVE |
| HSH & S Manufacturing Company INC | Clintonville | WI | Machinery Manufacturing333111 | — | ◐ LIKELY ACTIVE |
| IIIap INC | Phillips | WI | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| IIIea INC | Kenosha | WI | Machinery Manufacturing333414 | 100-499 | ◐ LIKELY ACTIVE |
| IWInnio Waukesha Gas Engines, INC. | Waukesha | WI | Machinery Manufacturing333618 | 100-499 | ◐ LIKELY ACTIVE |
| LMLippmann Milwaukee | Cudahy | WI | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| MPMatrix Packaging Machinery | Grafton | WI | Fabricated Metal Product Manufacturing332810 | 20-99 | ◐ LIKELY ACTIVE |
Mauston Tool Corporation | Mauston | WI | Machinery Manufacturing333511 | — | ◐ LIKELY ACTIVE |
| MCMesser Cutting Systems INC | Menomonee Falls | WI | Primary Metal Manufacturing331512 | 100-499 | ◐ LIKELY ACTIVE |
| MWMidwest Welding and Manufacturing LLC | Reeseville | WI | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| MEMiller Electric Mfg. LLC | Appleton | WI | Machinery Manufacturing333990 | 500+ | ◐ LIKELY ACTIVE |
| MIMuthig Industries INC | Fond Du Lac | WI | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| NINigrelli INC | Kiel | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| NINor-lake INC | Hudson | WI | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| PCPerlick Corporation | Milwaukee | WI | Machinery Manufacturing333248 | — | ◐ LIKELY ACTIVE |
| PHPoclain Hydraulics INC | Sturtevant | WI | Fabricated Metal Product Manufacturing332990 | 100-499 | ◐ LIKELY ACTIVE |
| SCSaelens CORP | Johnson Creek | WI | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |