Amtec Corporation | Janesville | WI | Fabricated Metal Product Manufacturing332993 | 100-499 | ● ACTIVE |
| RERaptor Enterprises, INC. | Janesville | WI | Miscellaneous Manufacturing339920 | — | ● ACTIVE |
Rock Energy Systems LLC | Janesville | WI | Machinery Manufacturing333414 | 100-499 | ● ACTIVE |
Shine Technologies, LLC | Janesville | WI | Chemical Manufacturing325412 | 100-499 | ● ACTIVE |
Airesafe International Usa, INC. | Janesville | WI | Fabricated Metal Product Manufacturing332999 | — | ● ACTIVE |
Corps Medical Supply, LLC | Janesville | WI | Miscellaneous Manufacturing339115 | — | ● ACTIVE |
Grady's Garden LLC | Janesville | WI | Food Manufacturing311421 | — | ● ACTIVE |
| HSHigh Speed Manufacturing LLC | Janesville | WI | Machinery Manufacturing333517 | — | ● ACTIVE |
Jg Innovations, INC. | Janesville | WI | Fabricated Metal Product Manufacturing332322 | — | ● ACTIVE |
Pregl Services INC | Janesville | WI | Machinery Manufacturing333994 | — | ● ACTIVE |
Trigger Precision Products INC | Janesville | WI | Fabricated Metal Product Manufacturing332710 | — | ● ACTIVE |
| MTMorgan Truck Body LLC | Janesville | WI | Transportation Equipment Manufacturing336200 | 100-499 | ◐ LIKELY ACTIVE |
| UJUfp Janesville LLC | Janesville | WI | Wood Product Manufacturing321114 | 20-99 | ◐ LIKELY ACTIVE |
Angi Energy Systems, LLC | Janesville | WI | Machinery Manufacturing333298 | — | ◐ LIKELY ACTIVE |
| RJRathgibson Janesville LLC | Janesville | WI | Primary Metal Manufacturing331210 | — | ◐ LIKELY ACTIVE |
| ACAbitec CORP Janesville Plant | Janesville | WI | Food Manufacturing311225 | — | ◇ UNVERIFIED |
| DCD&k Coating Technologies | Janesville | WI | Paper Manufacturing322220 | — | ◇ UNVERIFIED |
| PDPrecision Drawn Metals INC | Janesville | WI | Fabricated Metal Product Manufacturing332119 | — | ◇ UNVERIFIED |
| SSSsi Sintered Specialties, LLC | Janesville | WI | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| TSTwin State INC | Janesville | WI | Chemical Manufacturing325312 | — | ◇ UNVERIFIED |
| CPCoextruded Plastic Technologies, INC. | Janesville | WI | Plastics and Rubber Products Manufacturing326112 | 100-499 | ◐ LIKELY ACTIVE |
| FFFontana Flavors | Janesville | WI | Food Manufacturing311423 | — | ◐ LIKELY ACTIVE |
| GUGallina USA LLC | Janesville | WI | Plastics and Rubber Products Manufacturing326113 | 20-99 | ◐ LIKELY ACTIVE |
| GCGoex CORP | Janesville | WI | Plastics and Rubber Products Manufacturing326113 | 100-499 | ◐ LIKELY ACTIVE |
| LILycon INC | Janesville | WI | Nonmetallic Mineral Product Manufacturing327320 | 100-499 | ◐ LIKELY ACTIVE |
| PIPanoramic INC | Janesville | WI | Paper Manufacturing322213 | 100-499 | ◐ LIKELY ACTIVE |
| SFSeneca Foods Corporation | Janesville | WI | Food Manufacturing311421 | 500+ | ◐ LIKELY ACTIVE |
| STSSI Technologies, LLC - Palmer | Janesville | WI | Electrical Equipment, Appliance & Component Manufacturing335314 | 100-499 | ◐ LIKELY ACTIVE |
| TUTigre Usa, INC. | Janesville | WI | Plastics and Rubber Products Manufacturing326121 | 100-499 | ◐ LIKELY ACTIVE |
| UAUnited Alloy, INC. | Janesville | WI | Fabricated Metal Product Manufacturing332312 | 500+ | ◐ LIKELY ACTIVE |
| WCWestern Container Corp JVL | Janesville | WI | Paper Manufacturing322219 | 20-99 | ◐ LIKELY ACTIVE |
| GTGm Truck Group Janesville Assembly | Janesville | WI | Transportation Equipment Manufacturing336110 | — | ◇ UNVERIFIED |
| HIHufcor, INC. | Janesville | WI | Primary Metal Manufacturing331200 | — | ◇ UNVERIFIED |
| ICImpact Confections | Janesville | WI | Food Manufacturing311340 | — | ◇ UNVERIFIED |
| JGJanesville-sackner Group | Janesville | WI | Textile Mills313230 | — | ◇ UNVERIFIED |
| MTMonroe Truck Equipment | Janesville | WI | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| NANorth American Pipe CORP | Janesville | WI | Plastics and Rubber Products Manufacturing326122 | — | ◇ UNVERIFIED |
| SBSanford Business to Business | Janesville | WI | Printing and Related Support Activities323113 | — | ◇ UNVERIFIED |
| SFSeneca Foods CORP - Janesville Plant | Janesville | WI | Food Manufacturing311420 | — | ◇ UNVERIFIED |
| STSsi Technologies INC (former) | Janesville | WI | Fabricated Metal Product Manufacturing332117 | — | ◇ UNVERIFIED |
| WVWisconsin Vault Company INC | Janesville | WI | Miscellaneous Manufacturing339995 | — | ◇ UNVERIFIED |
| AIAireSafe International | Janesville | WI | Machinery Manufacturing333413 | 20-99 | ◐ LIKELY ACTIVE |
Altium Packaging - Janesville | Janesville | WI | Plastics and Rubber Products Manufacturing326160 | 20-99 | ◐ LIKELY ACTIVE |
| DCDeVere Company | Janesville | WI | Chemical Manufacturing325611 | 20-99 | ◐ LIKELY ACTIVE |
| ECEvonik Corporation Janesville | Janesville | WI | Chemical Manufacturing325613 | 20-99 | ◐ LIKELY ACTIVE |
| FCFermenting Cellars | Janesville | WI | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| GPGazette Printing | Janesville | WI | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| HSHelicopter Specialties, Inc. | Janesville | WI | Transportation Equipment Manufacturing336411 | 20-99 | ◐ LIKELY ACTIVE |
| HMHumane Manufacturing Company, LLC | Janesville | WI | Plastics and Rubber Products Manufacturing326291 | 20-99 | ◐ LIKELY ACTIVE |
| IFIndustries for the Blind and Visually Impaired. Inc. - Janesville | Janesville | WI | Miscellaneous Manufacturing339940 | 20-99 | ◐ LIKELY ACTIVE |