| XHXeteX Holmen | Holmen | WI | Machinery Manufacturing333415 | 100-499 | ◐ LIKELY ACTIVE |
| YMYakfab Metals, INC. | Oconto | WI | Machinery Manufacturing333998 | — | ▲ REPORTED CLOSED |
| YCYamato Corporation | Grafton | WI | Machinery Manufacturing333997 | 20-99 | ◐ LIKELY ACTIVE |
| ZZenith | Tomahawk | WI | Machinery Manufacturing333618 | 1-19 | ◐ LIKELY ACTIVE |
 Zero Zone, Inc.-Mukwonago | Mukwonago | WI | Machinery Manufacturing333415 | 20-99 | ◐ LIKELY ACTIVE |
| AIAutomatan INC | Plover | WI | Machinery Manufacturing333248 | — | ◐ LIKELY ACTIVE |
| GFGo Fast Mfg LLC | New London | WI | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| GTGruber Tool & Die, INC. | West Bend | WI | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| KIKage Innovations Corporation | Osceola | WI | Machinery Manufacturing333112 | — | ◇ UNVERIFIED |
| 3O3D Outdoors LLC | West Bend | WI | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| 3L3DT Land Company LLC | Germantown | WI | Machinery Manufacturing333248 | — | ◇ UNVERIFIED |
| APAccelerated Plastics, LLC | New Richmond | WI | Machinery Manufacturing333220 | — | ◇ UNVERIFIED |
| ACA-c Compressor CORP | Appleton | WI | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| ARA-c Reorganization Trust | West Allis | WI | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| AFAction Filtration, INC. | Rice Lake | WI | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| ATA.c. Tool & Machine Co., INC. | Germantown | WI | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| ACAdc Custom Products | Schofield | WI | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| ACAdc Custom Products LLC | Weston | WI | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| AMAdept Manufacturing and Gauging LLC | Milwaukee | WI | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| AMAdept Manufacturing and Gauging LLC | Milwaukee | WI | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| ACAeration Central, Inc. | Wausau | WI | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| ACAeration Central, Inc. | Edgar | WI | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| AIAgricultural Instruments Corporation | Holmen | WI | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| AFAir Flow Technology, INC. | Kenosha | WI | Machinery Manufacturing333411 | — | ◇ UNVERIFIED |
| ATAir Temperature Services INC. | Racine | WI | Machinery Manufacturing333415 | — | ◇ UNVERIFIED |
| AIAlkar-rapidpak, INC. | Lodi | WI | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| AGAllied Gear & Machine, LLC | Green Bay | WI | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| AIAlto-shaam, INC. | Menomonee Falls | WI | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| ASAmerican Sewer Parts & Cleaning, INC. | Menomonee Falls | WI | Machinery Manufacturing333319 | — | ◇ UNVERIFIED |
| AIAMM Incorprorated | Portage | WI | Machinery Manufacturing333519 | — | ◇ UNVERIFIED |
| AMApplied Molding Technologies, LLC. | Frederic | WI | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| ARAqua Revival LLC | Delavan | WI | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| AUAramark Uniform & Career Apparel, LLC | Cudahy | WI | Machinery Manufacturing333312 | — | ◇ UNVERIFIED |
| AIAS&T, Inc. | Campbellsport | WI | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| AIAWJ International Corp. | Mequon | WI | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| BMBachhuber Machining Inc. | Mayville | WI | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| BFBadger Fabrication, INC. | Sauk City | WI | Machinery Manufacturing333241 | — | ◇ UNVERIFIED |
| BMBag Man, LLC | Hammond | WI | Machinery Manufacturing333111 | — | ◇ UNVERIFIED |
| BPBikeman Performance Plus | Saint Croix Falls | WI | Machinery Manufacturing333618 | — | ◇ UNVERIFIED |
| BCBock CORP | Madison | WI | Machinery Manufacturing333318 | — | ◇ UNVERIFIED |
| BGBrelie Gear Company, Inc. | Waukesha | WI | Machinery Manufacturing333612 | — | ◇ UNVERIFIED |
| BDBruteForce Distributing LLC | Medford | WI | Machinery Manufacturing333998 | — | ◇ UNVERIFIED |
| BCBuild-all Corporation | Milwaukee | WI | Machinery Manufacturing333298 | — | ◇ UNVERIFIED |
| BIBullseye Industries, INC. | Juneau | WI | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| CIC-Aire, Inc. | Dresser | WI | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| CIC-Aire, Inc. | Dresser | WI | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| CIC-Aire, Inc. | Dresser | WI | Machinery Manufacturing333912 | — | ◇ UNVERIFIED |
| CAC a Lawton | Green Bay | WI | Machinery Manufacturing333291 | — | ◇ UNVERIFIED |
| CICaljan INC | Menomonee Falls | WI | Machinery Manufacturing333922 | — | ◇ UNVERIFIED |
| CTCarlson Tool & Manufacturing CORP | Cedarburg | WI | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
