| SLSic Lazaro US INC | Milwaukee | WI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◇ UNVERIFIED |
| SSSuper Steel LLC | Milwaukee | WI | Fabricated Metal Product Manufacturing332312 | 100-499 | ◇ UNVERIFIED |
| TSThermal Spray Technologies INC | Sun Prairie | WI | Fabricated Metal Product Manufacturing332800 | 100-499 | ◇ UNVERIFIED |
| TITomcor Industries INC | Wausau | WI | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| UGUnited Gear & Assembly INC | Hudson | WI | Fabricated Metal Product Manufacturing332721 | 100-499 | ◇ UNVERIFIED |
| WPWisconsin Plating Works, INC. | Racine | WI | Fabricated Metal Product Manufacturing332813 | 20-99 | ◇ UNVERIFIED |
| ZIZinc INC | Slinger | WI | Fabricated Metal Product Manufacturing332813 | 1-19 | ◇ UNVERIFIED |
| AGA&E Grinding | Oak Creek | WI | Fabricated Metal Product Manufacturing332812 | 1-19 | ◐ LIKELY ACTIVE |
| ALApplied Laser Technologies, LLC | Weston | WI | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| ALAtcam LLC | Little Chute | WI | Fabricated Metal Product Manufacturing332812 | 20-99 | ◐ LIKELY ACTIVE |
| BIBct INC Dba Service Heat Treating INC | Milwaukee | WI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| BLBildt, LLC | Oshkosh | WI | Fabricated Metal Product Manufacturing332311 | 20-99 | ◐ LIKELY ACTIVE |
| BBBluescope Buildings North America - Evansville | Evansville | WI | Fabricated Metal Product Manufacturing332311 | 100-499 | ◐ LIKELY ACTIVE |
| BHBroadwind Heavy Industries | Manitowoc | WI | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| 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 |
| CUCentral United Corporation | Newburg | WI | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| CMCole Manufacturing | West Bend | WI | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| CCCrown Cork & Seal USA, Inc. - Oshkosh | Oshkosh | WI | Fabricated Metal Product Manufacturing332431 | 20-99 | ◐ LIKELY ACTIVE |
Dane Manufacturing | Waunakee | WI | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| DMDiamond Mfg. Co. DBA: McKey Perforating Co. | New Berlin | WI | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| DTDiversified Tooling Innovations | Racine | WI | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
D & S Machine Service, INC. | Luxemburg | WI | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| DIDVO, Inc. | Chilton | WI | Fabricated Metal Product Manufacturing332410 | 20-99 | ◐ LIKELY ACTIVE |
| EFEder Flag Manufacturing Company Inc | Oak Creek | WI | Fabricated Metal Product Manufacturing332323 | 100-499 | ◐ LIKELY ACTIVE |
| FBFisher Barton Blades INC. | Watertown | WI | Fabricated Metal Product Manufacturing332116 | 100-499 | ◐ LIKELY ACTIVE |
| FFFortress Form INC | New Berlin | WI | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| FMFZE Manufacturing Solutions, LLC | N. Fond du Lac | WI | Fabricated Metal Product Manufacturing332710 | 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 |
| GHGlenn Hepfner, Inc. | Hartford | WI | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| GPGlobal Power Components-West Washington St | West Allis | WI | Fabricated Metal Product Manufacturing332311 | 100-499 | ◐ LIKELY ACTIVE |
| HCHighview Custom Fabricating | Oneida | WI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ 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 |
| 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 |
| LLinetec | Wausau | WI | Fabricated Metal Product Manufacturing332321 | 100-499 | ◐ 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 |
| MEMerrill Equipment Company | Merrill | WI | Fabricated Metal Product Manufacturing332323 | 20-99 | ◐ LIKELY ACTIVE |
| MPMetalcut Products Inc. | South Milwaukee | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MSMid-state Stainless, INC. | Grantsburg | WI | Fabricated Metal Product Manufacturing332999 | 1-19 | ◐ 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 |
| NSNovum Structures LLC | Menomonee Falls | WI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| NCNucor Cold Finish Wisconsin | Oak Creek | WI | Primary Metal Manufacturing331221 | 20-99 | ◐ LIKELY ACTIVE |
| OWOlin Winchester, LLC - Manitowoc | Manitowoc | WI | Fabricated Metal Product Manufacturing332992 | 100-499 | ◐ LIKELY ACTIVE |
Phillips-medisize LLC - Metal Injection Molding | Menomonie | WI | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |