| PTPewaukee Tooling & Products CO | Pewaukee | WI | Machinery Manufacturing333512 | 1-19 | ◇ UNVERIFIED |
| AGA&E Grinding | Oak Creek | WI | Fabricated Metal Product Manufacturing332812 | 1-19 | ◐ LIKELY ACTIVE |
| AFAirPro Fan & Blower co. -SOUTH | Rhinelander | WI | Machinery Manufacturing333413 | 1-19 | ◐ LIKELY ACTIVE |
| ATAlaark Tooling & Automation, Inc | Sheboygan | WI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
Alliance Laundry Systems - Plant 2 | Ripon | WI | Machinery Manufacturing333312 | 100-499 | ◐ LIKELY ACTIVE |
| ARAmcor Re&d | New London | WI | Machinery Manufacturing333993 | — | ◐ LIKELY ACTIVE |
| AIAndritz, INC. Green Bay | Green Bay | WI | Machinery Manufacturing333243 | — | ◐ LIKELY ACTIVE |
| BOBerco of America | Waukesha | WI | Machinery Manufacturing333120 | — | ◐ LIKELY ACTIVE |
| BIBerlon Industries, LLC | Hustisford | WI | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| CWCampbell Wrapper CORP | Depere | WI | Machinery Manufacturing333993 | 100-499 | ◐ LIKELY ACTIVE |
| CBCleaver Brooks | Monroe | WI | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| CICnh Industrial Racine Plant | Racine | WI | Machinery Manufacturing333111 | — | ◐ LIKELY ACTIVE |
| DLDanfoss LLC | Milwaukee | WI | Machinery Manufacturing333612 | 20-99 | ◐ LIKELY ACTIVE |
| EREte Reman (tower) | Milwaukee | WI | Machinery Manufacturing333618 | 20-99 | ◐ LIKELY ACTIVE |
| FFFamily Fresh Pack, LLC | Monticello | WI | Food Manufacturing311513 | 100-499 | ◐ LIKELY ACTIVE |
Federal Manufacturing | Waukesha | WI | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| FFFranklin Fueling Systems - Madison | Madison | WI | Machinery Manufacturing333911 | 100-499 | ◐ LIKELY ACTIVE |
GEM Manufacturing INC. | Kenosha | WI | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| GPGenerac Power Systems | Jefferson | WI | Machinery Manufacturing333912 | — | ◐ LIKELY ACTIVE |
| HAHAINBUCH America Corporation Workholding Technology | Germantown | WI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| HCHarper Corp of America WI | De Pere | WI | Machinery Manufacturing333240 | 20-99 | ◐ LIKELY ACTIVE |
| HMHudson Machine and Tool | Hammond | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| KCKafka Conveyors & Equipment | Mosinee | WI | Machinery Manufacturing333922 | 20-99 | ◐ LIKELY ACTIVE |
| KUKhs Usa, INC. | Waukesha | WI | Machinery Manufacturing333993 | 100-499 | ◐ LIKELY ACTIVE |
| KMKobra Molds LLC | Hudson | WI | Machinery Manufacturing333511 | 20-99 | ◐ LIKELY ACTIVE |
| KIKoss Industrial, Inc. | Green Bay | WI | Machinery Manufacturing333241 | 20-99 | ◐ LIKELY ACTIVE |
| LMLowe Manufacturing Co.,LLC | Viola | WI | Machinery Manufacturing333111 | 20-99 | ◐ LIKELY ACTIVE |
| LMLudell Manufacturing Company | Milwaukee | WI | Machinery Manufacturing333318 | 20-99 | ◐ LIKELY ACTIVE |
| MAMarine Associates | Hudson | WI | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| MMMercury Marine - Plant 36 | Fond Du Lac | WI | Machinery Manufacturing333618 | — | ◐ LIKELY ACTIVE |
| MMMeyer Manufacturing Corporation | Dorchester | WI | Machinery Manufacturing333111 | 100-499 | ◐ LIKELY ACTIVE |
| MBMilwaukee Broach CO | New Berlin | WI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| MTMonroe Truck Equipment | De Pere | WI | Machinery Manufacturing333924 | 20-99 | ◐ LIKELY ACTIVE |
| OMOa Manufacturing INC | Verona | WI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| PWPeterson's Welding and Machine | Green Bay | WI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| SKSafety Kleen Systems Inc 77NBW | New Berlin | WI | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| STStainless Technologies | Menomonie, WI | WI | Machinery Manufacturing333241 | 20-99 | ◐ LIKELY ACTIVE |
| SPSummit Pump, Inc. | Oneida | WI | Machinery Manufacturing333911 | 20-99 | ◐ LIKELY ACTIVE |
| TBThe Broaster Company | Beloit | WI | Machinery Manufacturing333318 | 20-99 | ◐ LIKELY ACTIVE |
| TTT & T Manufacturing, LLC. | Spooner | WI | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| VMViking Masek Packaging Technologies, LLC | Oostburg | WI | Machinery Manufacturing333993 | 100-499 | ◐ LIKELY ACTIVE |
| VMVoeller Mixers INC | Port Washington | WI | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| WNWacker Neuson America CORP | Menomonee Falls | WI | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| WWatertronics | Hartland | WI | Fabricated Metal Product Manufacturing332117 | 100-499 | ◐ LIKELY ACTIVE |
Waukesha Metal Products - Grafton | Grafton | WI | Machinery Manufacturing333514 | 20-99 | ◐ LIKELY ACTIVE |
| WPWi01-apc-american Prosthetic Comp | Green Bay | WI | Machinery Manufacturing333515 | 20-99 | ◐ LIKELY ACTIVE |
| WKWisconsin Knife Works | Beloit | WI | Fabricated Metal Product Manufacturing332216 | 20-99 | ◐ LIKELY ACTIVE |
Wisconsin Oven CORP | East Troy | WI | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| WWWisconsin Wire Works INC | Wales | WI | Machinery Manufacturing333992 | 1-19 | ◐ LIKELY ACTIVE |
| ASA.o. Smith North American Water Treatment, INC. | Appleton | WI | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |