| AFAti Forged Products | Appleton | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| ALAyersTech LLC | Chetek | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| BSBadger Sheet Metal Works | Green Bay | WI | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| BCBall Container LLC | Fort Atkinson | WI | Fabricated Metal Product Manufacturing332430 | — | ◐ LIKELY ACTIVE |
Barker's Welding, INC. | Superior | WI | Fabricated Metal Product Manufacturing332312 | 1-19 | ◐ LIKELY ACTIVE |
| BMBreuer Metal Craftsmen | Beaver Dam | WI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| BNBurgess Norton Mfg CO Plant #4 | Beaver Dam | WI | Fabricated Metal Product Manufacturing332117 | 20-99 | ◐ LIKELY ACTIVE |
| BPBw Papersystems | Phillips | WI | Fabricated Metal Product Manufacturing332710 | 500+ | ◐ LIKELY ACTIVE |
| CSConstruction Supply & Erection INC | Germantown | WI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| CMCragin Machine Shop INC | Superior | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| CFCrystal Finishing Systems - Schofield | Schofield | WI | Fabricated Metal Product Manufacturing332812 | 500+ | ◐ LIKELY ACTIVE |
| CSC&S Sales Inc. | Wisconsin Rapids | WI | Fabricated Metal Product Manufacturing332813 | 1-19 | ◐ LIKELY ACTIVE |
| CECutting Edge Fabrication, Inc | Milwaukee | WI | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| DMDenco Manufacturing | New Berlin | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| DMDuwe Metal Products INC | Menomonee Falls | WI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| ECEckmann Custom Products | Racine | WI | Fabricated Metal Product Manufacturing332119 | 1-19 | ◐ LIKELY ACTIVE |
| FMFabricated Metal Products | Milwaukee | WI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| FFabri-tech | Brookfield | WI | Fabricated Metal Product Manufacturing332322 | 20-99 | ◐ LIKELY ACTIVE |
| FBFelker Brothers Corporation | Marshfield | WI | Primary Metal Manufacturing331210 | 100-499 | ◐ LIKELY ACTIVE |
| FSFluid System Components INC | Depere | WI | Fabricated Metal Product Manufacturing332912 | 20-99 | ◐ LIKELY ACTIVE |
| FMFrantz Machine Products Inc. | New Berlin | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| GMG&G Machine Inc. | Kaukauna | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| GWGoetsch's Welding & Machine, Inc. | Merrill | WI | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| HFHartford Finishing INC | Hartford | WI | Fabricated Metal Product Manufacturing332810 | 100-499 | ◐ LIKELY ACTIVE |
| HPHearing Protection LLC | Watertown | WI | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| HMHudapack Metal Treating INC | Elkhorn | WI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◐ LIKELY ACTIVE |
| HIHydra-Seal, Inc. | Menomonee Falls | WI | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| HIHyPro Inc. Jefferson (JF) | Waterford | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| IIIap INC | Phillips | WI | Fabricated Metal Product Manufacturing332313 | 20-99 | ◐ LIKELY ACTIVE |
| IIIKS Industries, Inc. | Park Falls | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| IPIrving Polishing and Mfg CO INC | Kenosha | WI | Fabricated Metal Product Manufacturing332813 | 20-99 | ◐ LIKELY ACTIVE |
| INIVI North, Inc. | Greenville | WI | Fabricated Metal Product Manufacturing332322 | 100-499 | ◐ LIKELY ACTIVE |
| KMKelsch Machine Corporation | Belleville | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| KFKewaunee Fabrications LLC | Kewaunee | WI | Fabricated Metal Product Manufacturing332999 | — | ◐ LIKELY ACTIVE |
| LMLange Machine & Tool CO LLC | Merrill | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| LHLapham Hickey Steel Corporation | Oshkosh | WI | Fabricated Metal Product Manufacturing332999 | 100-499 | ◐ LIKELY ACTIVE |
| LSLejeune Steel CO. (403 Thorp) | Thorp | WI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| MSM2M Synergy, LLC | Mukwonago | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| MIMarsan INC. | Germantown | WI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| MPMatrix Packaging Machinery | Grafton | WI | Fabricated Metal Product Manufacturing332810 | 20-99 | ◐ LIKELY ACTIVE |
| MIMetalcraft Industries, INC. | Oregon | WI | Fabricated Metal Product Manufacturing332116 | 1-19 | ◐ LIKELY ACTIVE |
| MWMidwest Welding and Manufacturing LLC | Reeseville | WI | Fabricated Metal Product Manufacturing332999 | 20-99 | ◐ LIKELY ACTIVE |
| MWMidwest Wire Products, Inc. | Sturgeon Bay | WI | Fabricated Metal Product Manufacturing332618 | 20-99 | ◐ LIKELY ACTIVE |
| MMMitchell Metal Products INC | Merrill | WI | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| MTMod Tech Industries, Inc. | Shawano | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| NINedland Industries INC | Ridgeland | WI | Fabricated Metal Product Manufacturing332439 | 20-99 | ◐ LIKELY ACTIVE |
| NWNick's Welding & Fabricating, INC. | Hixton | WI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| NSNimsgern Steel Corp. | Minocqua | WI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| NENordson Extrusion Dies Industries, LLC | Chippewa Falls | WI | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| NENorthern Engraving and Machine | Green Bay | WI | Fabricated Metal Product Manufacturing332810 | — | ◐ LIKELY ACTIVE |