| IPInternational Plastics LLC | Menomonee Falls | WI | Plastics and Rubber Products Manufacturing326199 | 1-19 | ◇ UNVERIFIED |
| ITInternational Tool, INC. | Trempealeau | WI | Fabricated Metal Product Manufacturing332999 | 1-19 | ◇ UNVERIFIED |
| ILIpmf, LLC | Beloit | WI | Food Manufacturing311422 | 20-99 | ◇ UNVERIFIED |
| IIISI, Inc. | Green bay | WI | Primary Metal Manufacturing331513 | 20-99 | ◇ UNVERIFIED |
| JCJames C Eckert | Medford | WI | Wood Product Manufacturing321113 | 1-19 | ◇ UNVERIFIED |
| JTJamie's Truck & Trailer Painting LLC | Jackson | WI | Fabricated Metal Product Manufacturing332812 | 1-19 | ◇ UNVERIFIED |
| JCJ & C Manufacturing | Allenton | WI | Fabricated Metal Product Manufacturing332812 | 1-19 | ◇ UNVERIFIED |
| JFJD Fox Manufacturing, LLC | Fox Lake | WI | Fabricated Metal Product Manufacturing332322 | 1-19 | ◇ UNVERIFIED |
| JCJerry's Custom Cabinets INC | Minocqua | WI | Furniture and Related Product Manufacturing337110 | 1-19 | ◇ UNVERIFIED |
| JWJohn's Welding LLC | Tomah | WI | Wood Product Manufacturing321999 | 1-19 | ◇ UNVERIFIED |
| JTJon the Brewer, LLC | Menomonie | WI | Beverage and Tobacco Product Manufacturing312120 | 1-19 | ◇ UNVERIFIED |
| JGJP Graphics Inc. | Appleton | WI | Printing and Related Support Activities323111 | 20-99 | ◇ UNVERIFIED |
| JDJts Direct LLC | Hartland | WI | Printing and Related Support Activities323111 | 20-99 | ◇ UNVERIFIED |
| KCKatchever & CO. L.l.c. | La Crosse | WI | Beverage and Tobacco Product Manufacturing312120 | 1-19 | ◇ UNVERIFIED |
| KIKeiding, INC. | Milwaukee | WI | Paper Manufacturing322299 | 20-99 | ◇ UNVERIFIED |
| KLKersten Lumber Co, INC | Birnamwood | WI | Wood Product Manufacturing321912 | 20-99 | ◇ UNVERIFIED |
| KCKeshar Casting LLC | Milwaukee | WI | Primary Metal Manufacturing331410 | 1-19 | ◇ UNVERIFIED |
| KMKettle Moraine Mfg. Inc. | Dousman | WI | Fabricated Metal Product Manufacturing332999 | 1-19 | ◇ UNVERIFIED |
| KFKiel Foundry CO. INC. | Kiel | WI | Primary Metal Manufacturing331511 | 1-19 | ◇ UNVERIFIED |
| KIKingdom Investments Lumber LLC | Arlington | WI | Wood Product Manufacturing321920 | 1-19 | ◇ UNVERIFIED |
| KKKinnettic Kreations LLC | Boscobel | WI | Electrical Equipment, Appliance & Component Manufacturing335929 | 1-19 | ◇ UNVERIFIED |
| KCKitchen Cubes LLC | Bristol | WI | Furniture and Related Product Manufacturing337110 | 20-99 | ◇ UNVERIFIED |
| KMKitzerow Machine, Inc. | Manitowoc | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| KMKline Machining LLC | Wisconsin Dells | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| KCKlm Custom Woodworks INC | Richfield | WI | Furniture and Related Product Manufacturing337211 | 1-19 | ◇ UNVERIFIED |
| KFKoncki Family Foods LLC | Cudahy | WI | Food Manufacturing311421 | 1-19 | ◇ UNVERIFIED |
| KCKonkel Custom Woodworks, INC. | Rockland | WI | Wood Product Manufacturing321912 | 20-99 | ◇ UNVERIFIED |
| KMKustom Machining LLC | Waupaca | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| LCLa Crosse Brush, INC. | La Crosse | WI | Miscellaneous Manufacturing339999 | 1-19 | ◇ UNVERIFIED |
| LSLake Shore Burial Vault Co., INC. | Brookfield | WI | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◇ UNVERIFIED |
| LPLakeshore Pallet, INC. | Howards Grove | WI | Wood Product Manufacturing321920 | 20-99 | ◇ UNVERIFIED |
| LTLeaf Technology, INC. | Hartland | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| LELebrecht Enterprises, INC. | New Richmond | WI | Chemical Manufacturing325991 | 1-19 | ◇ UNVERIFIED |
| LALeo Agriculture, LLC. | Monroe | WI | Machinery Manufacturing333111 | 1-19 | ◇ UNVERIFIED |
| LMLinden Milling Co., INC. | Linden | WI | Food Manufacturing311119 | 1-19 | ◇ UNVERIFIED |
| LPLithocrafters Printing, Inc. | Marinette | WI | Printing and Related Support Activities323111 | 1-19 | ◇ UNVERIFIED |
| LSLitho Specialists INC | Eau Claire | WI | Textile Mills313312 | 1-19 | ◇ UNVERIFIED |
| LRLittle River Wood Products INC. | Arcadia | WI | Wood Product Manufacturing321920 | 1-19 | ◇ UNVERIFIED |
| LMLMI Manufacturing Holdings | Hartford | WI | Fabricated Metal Product Manufacturing332999 | 20-99 | ◇ UNVERIFIED |
| LML&n Metal Works LLC | Gillett | WI | Fabricated Metal Product Manufacturing332313 | 1-19 | ◇ UNVERIFIED |
| LSLonesome Stone Milling LLC | Lone Rock | WI | Food Manufacturing311211 | 1-19 | ◇ UNVERIFIED |
| LALopez Awning and Shade Company | Janesville | WI | Textile Product Mills314910 | 1-19 | ◇ UNVERIFIED |
| LMLorence Manufacturing Corporation | Newburg | WI | Machinery Manufacturing333995 | 1-19 | ◇ UNVERIFIED |
| LTLowercase Toys LLC | Wauwatosa | WI | Miscellaneous Manufacturing339930 | 1-19 | ◇ UNVERIFIED |
| LPLoyal Pallet, INC | Loyal | WI | Wood Product Manufacturing321920 | 1-19 | ◇ UNVERIFIED |
| LSLumber Sales & Products INC. | Jackson | WI | Wood Product Manufacturing321920 | 20-99 | ◇ UNVERIFIED |
| LPLynkris Patio Furniture, Inc. | Sparta | WI | Miscellaneous Manufacturing339999 | 1-19 | ◇ UNVERIFIED |
| MVMAK Ventures, LLC | Muskego | WI | Food Manufacturing311919 | 1-19 | ◇ UNVERIFIED |
| MGManchester Group, Inc | Lannon | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| MAM and W Shops | Union Grove | WI | Machinery Manufacturing333120 | 1-19 | ◇ UNVERIFIED |
