| FTFliteway Technologies, INC. | Cudahy | WI | Fabricated Metal Product Manufacturing332999 | 20-99 | ◇ UNVERIFIED |
| FEFoamation Enterprises LLC | Milwaukee | WI | Plastics and Rubber Products Manufacturing326121 | 1-19 | ◇ UNVERIFIED |
| FBForever Barnwood, LLC | Plum City | WI | Wood Product Manufacturing321911 | 1-19 | ◇ UNVERIFIED |
| FFFortress Forms INC. | New Berlin | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◇ UNVERIFIED |
| FFFortune Favors, LLC | Madison | WI | Food Manufacturing311911 | 1-19 | ◇ UNVERIFIED |
| FRFox Reproduction, INC. | Menasha | WI | Miscellaneous Manufacturing339940 | 1-19 | ◇ UNVERIFIED |
| FVFox Valley Metal Fab Inc | Appleton | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| FWFrahm Wood Products | Athens | WI | Wood Product Manufacturing321918 | 1-19 | ◇ UNVERIFIED |
| FIFrantl Industries, INC. | Sussex | WI | Plastics and Rubber Products Manufacturing326140 | 1-19 | ◇ UNVERIFIED |
| FGFranzen Graphics INC | Sheboygan | WI | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| FBFredman Bag CO | Milwaukee | WI | Printing and Related Support Activities323110 | 20-99 | ◇ UNVERIFIED |
| FSFree Style Graphics of Greenfield, Inc. | Greenfield | WI | Apparel Manufacturing315990 | 1-19 | ◇ UNVERIFIED |
| FHFriendship Hardwoods, LLC | Adams | WI | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| G7Gallery 77, LLC | Hudson | WI | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◇ UNVERIFIED |
| GMGallos Metal Solutions, INC | Milwaukee | WI | Fabricated Metal Product Manufacturing332811 | 20-99 | ◇ UNVERIFIED |
| GAG an D Petroleum, LLC | Janesville | WI | Fabricated Metal Product Manufacturing332420 | 1-19 | ◇ UNVERIFIED |
| GDG & D Wood Products, INC. | Marshfield | WI | Wood Product Manufacturing321999 | 1-19 | ◇ UNVERIFIED |
| GTGemini Technology Systems, Inc. | East Troy | WI | Transportation Equipment Manufacturing336350 | 1-19 | ◇ UNVERIFIED |
| GMGerard Machine LLC | Kaukauna | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| GFGilman Forest Products, INC. | Gilman | WI | Wood Product Manufacturing321999 | 1-19 | ◇ UNVERIFIED |
| GFGo Fast Mfg LLC | New London | WI | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| GPGo Pak LLC | Delafield | WI | Plastics and Rubber Products Manufacturing326112 | 1-19 | ◇ UNVERIFIED |
| GPGrafix Plus, Inc. | Kewaskum | WI | Printing and Related Support Activities323119 | 1-19 | ◇ UNVERIFIED |
| GSGranite Stoneworks LLC | De Pere | WI | Nonmetallic Mineral Product Manufacturing327991 | 1-19 | ◇ UNVERIFIED |
| GNGreat Northern Innovation LLC | Milltown | WI | Fabricated Metal Product Manufacturing332999 | 20-99 | ◇ UNVERIFIED |
| GBGreen Bay Converting INC. | Green Bay | WI | Paper Manufacturing322291 | — | ◇ UNVERIFIED |
| GBGreen Bay Manufacturing LLC | Two Rivers | WI | Miscellaneous Manufacturing339999 | 1-19 | ◇ UNVERIFIED |
| GBGreen Bay Signworks LLC | Green Bay | WI | Miscellaneous Manufacturing339950 | 1-19 | ◇ UNVERIFIED |
| GIGreen-tech Industries LLC | Jefferson | WI | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| GMGuy Metals INC | Hammond | WI | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| HFHardwood Floors of Hillsboro, LLC | Hillsboro | WI | Wood Product Manufacturing321918 | — | ◇ UNVERIFIED |
| HDHart Design & Mfg INC | Green Bay | WI | Machinery Manufacturing333241 | 20-99 | ◇ UNVERIFIED |
| HCHartmann Controls, INC. | Hartland | WI | Machinery Manufacturing333996 | 1-19 | ◇ UNVERIFIED |
| HEHartwig Exhibit & Design | New Berlin | WI | Furniture and Related Product Manufacturing337212 | 20-99 | ◇ UNVERIFIED |
| HWHayden Water Company, LLC | Plymouth | WI | Beverage and Tobacco Product Manufacturing312112 | 1-19 | ◇ UNVERIFIED |
| HPHigh Point Wreath Company LLC | Ogema | WI | Miscellaneous Manufacturing339999 | 20-99 | ◇ UNVERIFIED |
| HMHi-Lite Machine Company | Sheboygan | WI | Machinery Manufacturing333249 | 1-19 | ◇ UNVERIFIED |
| HEHJW Enterprises, Inc | Denmark | WI | Fabricated Metal Product Manufacturing332312 | 1-19 | ◇ UNVERIFIED |
| HFHolland's Family Cheese LLC | Thorp | WI | Food Manufacturing311513 | 20-99 | ◇ UNVERIFIED |
| HHHutchinson Holdings Inc. | Oconomowoc | WI | Machinery Manufacturing333515 | 1-19 | ◇ UNVERIFIED |
| HWH Window Company | Ashland | WI | Wood Product Manufacturing321911 | 20-99 | ◇ UNVERIFIED |
| HWH.w. Woodwork CO. INC | Milwaukee | WI | Furniture and Related Product Manufacturing337121 | 1-19 | ◇ UNVERIFIED |
| HFHydraulic Fittings, INC. | Racine | WI | Fabricated Metal Product Manufacturing332996 | 20-99 | ◇ UNVERIFIED |
| HPHytech Precision, INC. | West Bend | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◇ UNVERIFIED |
| ICIdentity Custom Imaging Inc | Marshfield | WI | Miscellaneous Manufacturing339999 | 1-19 | ◇ UNVERIFIED |
| IDIhs Door Company | Superior | WI | Wood Product Manufacturing321911 | 20-99 | ◇ UNVERIFIED |
| IIImprex INC | Milwaukee | WI | Fabricated Metal Product Manufacturing332812 | 20-99 | ◇ UNVERIFIED |
| IPIndustrial Packaging Corporation | Arcadia | WI | Paper Manufacturing322211 | — | ◇ UNVERIFIED |
| IFInnovative Fiber LLC | Franklin | WI | Paper Manufacturing322211 | 20-99 | ◇ UNVERIFIED |
International Mold and Production LLC | Kenosha | WI | Machinery Manufacturing333511 | — | ◇ UNVERIFIED |