| CWCadence WI, Inc. | Sturgeon Bay | WI | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| CSCadrex Spooner | Spooner | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| CSCenterville Steelworks, LLC | Trempealeau | WI | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| CGClassic Gears and Machining | Kaukauna | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| CCCraft Coating Inc. | Oshkosh | WI | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| CBCriterion Barrels, Inc. | Germantown | WI | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| CCCrown Cork & Seal USA, Inc. - Oshkosh | Oshkosh | WI | Fabricated Metal Product Manufacturing332431 | 20-99 | ◐ LIKELY ACTIVE |
| DMDiamond Mfg. Co. DBA: McKey Perforating Co. | New Berlin | WI | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| DEDrm Electrocoat CORP | Reedsburg | WI | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| DLDuo-safety Ladder CORP | Oshkosh | WI | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| EMEndres Manufacturing CO | Waunakee | WI | Fabricated Metal Product Manufacturing332310 | 100-499 | ◐ LIKELY ACTIVE |
| FBFelker Brothers Corporation | Marshfield | WI | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| FBFisher Barton Specialties, Inc. | Watertown | WI | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| FIFolkman INC | Green Bay | WI | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| FFFortress Form INC | New Berlin | WI | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| FVFox Valley Spring | Greenville | WI | Fabricated Metal Product Manufacturing332613 | 20-99 | ◐ LIKELY ACTIVE |
| GSGkn Sinter Metals-manitowoc | Manitowoc | WI | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
| GSGKN Sinter Metals- Tool & Die | Germantown | WI | Primary Metal Manufacturing331111 | 20-99 | ◐ LIKELY ACTIVE |
| GPGlobal Power Components-51st St | Milwaukee | WI | Fabricated Metal Product Manufacturing332311 | 500+ | ◐ LIKELY ACTIVE |
| GPGlobal Power Components-West Washington St | West Allis | WI | Fabricated Metal Product Manufacturing332311 | 100-499 | ◐ LIKELY ACTIVE |
| GVG & V Machine CO INC | Ixonia | WI | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| HMHudson Machine and Tool | Hammond | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
Husco International Whitewater | Whitewater | WI | Fabricated Metal Product Manufacturing332912 | 100-499 | ◐ LIKELY ACTIVE |
| IIImperial Industries INC | Rothschild | WI | Fabricated Metal Product Manufacturing332420 | 100-499 | ◐ LIKELY ACTIVE |
| IIIntegrity Industrial Group LLC | Waukesha | WI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| ISITW Shakeproof Industrial - Watertown | Watertown | WI | Fabricated Metal Product Manufacturing332722 | 20-99 | ◐ LIKELY ACTIVE |
| JCJbt Corporation | Grafton | WI | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| JDJ & D Tube Benders INC | Schofield | WI | Fabricated Metal Product Manufacturing332996 | 100-499 | ◐ LIKELY ACTIVE |
| KMKickhaefer Manufacturing Company, LLC | Port Washington | WI | Fabricated Metal Product Manufacturing332116 | — | ◐ LIKELY ACTIVE |
| KEKusel Equipment CO | Watertown | WI | Fabricated Metal Product Manufacturing332913 | 20-99 | ◐ LIKELY ACTIVE |
| LTLannon Tank CORP | Lannon | WI | Fabricated Metal Product Manufacturing332420 | 20-99 | ◐ LIKELY ACTIVE |
| LLinetec | Wausau | WI | Fabricated Metal Product Manufacturing332321 | 100-499 | ◐ LIKELY ACTIVE |
| MTMahuta Tool Corp | Germantown | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MMMathison Manufacturing | Waukesha | WI | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| MEMayville Engineering Company CO INC - Beaver Dam - Phoenix Coaters West | Beaver Dam | WI | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
Mayville Engineering Company Inc- Beaver | Beaver Dam | WI | Fabricated Metal Product Manufacturing332116 | — | ◐ LIKELY ACTIVE |
| MMMEC - Mayville North | Mayville | WI | Fabricated Metal Product Manufacturing332000 | 20-99 | ◐ LIKELY ACTIVE |
| MTMerrill Tool & Water Jet, LLC | Merrill | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MIMetalcraft Industries, INC. | Oregon | WI | Fabricated Metal Product Manufacturing332116 | — | ◐ LIKELY ACTIVE |
| MIMetalStorm, Inc. | De Pere | WI | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| MIMetko INC. | New Holstein | WI | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| MWMiddle West Mfg. CORP. | Menomonee Falls | WI | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| MFMillennium Forms LLC | Elkhorn | WI | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| MFMilwaukee Forgetech INC. | Milwaukee | WI | Primary Metal Manufacturing331111 | — | ◐ LIKELY ACTIVE |
| NPNational Plating CO | Milwaukee | WI | Fabricated Metal Product Manufacturing332813 | — | ◐ LIKELY ACTIVE |
| NMNelson Machine and Welding Corporation | Green Bay | WI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| NTNeosho Trompler Inc | Hartland | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| NENordson Extrusion Dies Industries, LLC | Chippewa Falls | WI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| NWNorthern Wire CORP | Merrill | WI | Fabricated Metal Product Manufacturing332613 | 20-99 | ◐ LIKELY ACTIVE |
| NSNovum Structures LLC | Menomonee Falls | WI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |