 Accurate Machine Products Incorporated | Janesville | WI | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| ALA-chem LLC | Milwaukee | WI | Chemical Manufacturing325199 | 1-19 | ◇ UNVERIFIED |
| APAdame Pallets LLC | Madison | WI | Wood Product Manufacturing321920 | 1-19 | ◇ UNVERIFIED |
| AEAdept Engraving LLC | Chippewa Falls | WI | Fabricated Metal Product Manufacturing332812 | 1-19 | ◇ UNVERIFIED |
| AFAdherence Finishing INC | New Richmond | WI | Fabricated Metal Product Manufacturing332812 | 1-19 | ◇ UNVERIFIED |
| ARAdhesive R&d | Eau Claire | WI | Chemical Manufacturing325520 | 1-19 | ◇ UNVERIFIED |
| ADA & D Machine, INC. | Redgranite | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| AMAdvanced Metal Treating-Butler, Inc. | Butler | WI | Fabricated Metal Product Manufacturing332811 | 1-19 | ◇ UNVERIFIED |
| AIAdvance Industrial Machine, LLC | Greenville | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◇ UNVERIFIED |
| ABAhnapee Brewery LLC | Suamico | WI | Beverage and Tobacco Product Manufacturing312120 | 20-99 | ◇ UNVERIFIED |
| AGAllied Gear & Machine, LLC | Green Bay | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| ASAll Source Supply, Inc. | Winneconne | WI | Nonmetallic Mineral Product Manufacturing327390 | 1-19 | ◇ UNVERIFIED |
| AIAlto-shaam, INC. | Menomonee Falls | WI | Machinery Manufacturing333319 | 500+ | ◇ UNVERIFIED |
| ACAluma Cast Foundry, Inc. | Appleton | WI | Primary Metal Manufacturing331512 | 1-19 | ◇ UNVERIFIED |
| ACAmerican Custom Metal Fabricating, INC. | Green Bay | WI | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| AMAmerican Made Machining, LLC | Prairie Du Sac | WI | Fabricated Metal Product Manufacturing332721 | 1-19 | ◇ UNVERIFIED |
| ASAmerican Sewer Parts & Cleaning, INC. | Menomonee Falls | WI | Machinery Manufacturing333319 | 20-99 | ◇ UNVERIFIED |
| AAmeriprint | Sun prairie | WI | Printing and Related Support Activities323113 | 1-19 | ◇ UNVERIFIED |
| AIAMM Incorprorated | Portage | WI | Machinery Manufacturing333519 | 1-19 | ◇ UNVERIFIED |
| ALAndara, LLC | Sheboygan | WI | Chemical Manufacturing325211 | 1-19 | ◇ UNVERIFIED |
| ABAngelic Bakehouse INC (oh) | Cudahy | WI | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| AFA&P Fabricating Solutions, LLC | Appleton | WI | Fabricated Metal Product Manufacturing332323 | 1-19 | ◇ UNVERIFIED |
| AIAqua-Doc International, LTD. | Big Bend | WI | Fabricated Metal Product Manufacturing332312 | 20-99 | ◇ UNVERIFIED |
| AAArk Alloy, LLC | Reedsburg | WI | Fabricated Metal Product Manufacturing332999 | 1-19 | ◇ UNVERIFIED |
| AMArrow Millwork & Cabinetry, Inc. | Greendale | WI | Furniture and Related Product Manufacturing337110 | 1-19 | ◇ UNVERIFIED |
| AMARZ Machining, Inc. | Grafton | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| AIAS&T, Inc. | Campbellsport | WI | Machinery Manufacturing333998 | 1-19 | ◇ UNVERIFIED |
| AMAtlas Medical Instruments LLC | Racine | WI | Miscellaneous Manufacturing339112 | 1-19 | ◇ UNVERIFIED |
| ALAttract, LLC | Saint Croix Falls | WI | Furniture and Related Product Manufacturing337215 | 1-19 | ◇ UNVERIFIED |
| AGAustin Gray Iron Foundry | Sheboygan | WI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| AIAutoquip INC | Menomonee Falls | WI | Machinery Manufacturing333911 | 1-19 | ◇ UNVERIFIED |
| AFAvanti Foods Corporation | Milwaukee | WI | Food Manufacturing311991 | 1-19 | ◇ UNVERIFIED |
| BLBakedmke, LLC | Milwaukee | WI | Food Manufacturing311811 | 20-99 | ◇ UNVERIFIED |
| BCBaker Cheese Factory, INC | Saint Cloud | WI | Food Manufacturing311513 | 100-499 | ◇ UNVERIFIED |
| BIBalax, INC. | North Lake | WI | Fabricated Metal Product Manufacturing332721 | 20-99 | ◇ UNVERIFIED |
| BMBalsam Millwork & Cabinet, Inc | New Richmond | WI | Furniture and Related Product Manufacturing337212 | 1-19 | ◇ UNVERIFIED |
| BABattermann & Associates LLC | Greenville | WI | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◇ UNVERIFIED |
| BABay Area Granite & Marble, LLC | Wrightstown | WI | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◇ UNVERIFIED |
| BSBay Steel & Fabrication, LLC | Marshfield | WI | Fabricated Metal Product Manufacturing332312 | 1-19 | ◇ UNVERIFIED |
| BSBegert Stainless, INC. | Marshfield | WI | Fabricated Metal Product Manufacturing332420 | 1-19 | ◇ UNVERIFIED |
| BPBennett Pharmaceuticals of America | Hudson | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| BCBenson Cabinets And Tops, LLC | Superior | WI | Furniture and Related Product Manufacturing337110 | 1-19 | ◇ UNVERIFIED |
| BEBest Embroideries, LLC | Rhinelander | WI | Textile Product Mills314999 | 1-19 | ◇ UNVERIFIED |
| BBBinas Bakery INC. | Milwaukee | WI | Food Manufacturing311811 | 1-19 | ◇ UNVERIFIED |
| BFBiosource Flavors INC. | Muskego | WI | Food Manufacturing311999 | 20-99 | ◇ UNVERIFIED |
| BBBlack Bear Bottling Group LLC | Oak Creek | WI | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| BBBl Business Services, LLC | Hudson | WI | Chemical Manufacturing325510 | 20-99 | ◇ UNVERIFIED |
| BLBlizzard Lighting, LLC | Waukesha | WI | Electrical Equipment, Appliance & Component Manufacturing335129 | 20-99 | ◇ UNVERIFIED |
| BPBMH Properties | Kewaskum | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| BEBoh Electronics, INC | Hudson | WI | Computer and Electronic Product Manufacturing334419 | 20-99 | ◇ UNVERIFIED |
