| OWOld Wisconsin Food Products, Inc. | Sheboygan | WI | — | — | ◐ LIKELY ACTIVE |
| PCPrecision Concepts - Sheboygan | Sheboygan | WI | Plastics and Rubber Products Manufacturing326160 | 20-99 | ◐ LIKELY ACTIVE |
| RRehlko | Sheboygan | WI | Electrical Equipment, Appliance & Component Manufacturing335312 | 500+ | ◐ LIKELY ACTIVE |
| RIRockline Industries INC | Sheboygan | WI | Paper Manufacturing322299 | — | ◐ LIKELY ACTIVE |
| TVThe Vollrath Company LLC., Sheboygan | Sheboygan | WI | Fabricated Metal Product Manufacturing332215 | 500+ | ◐ LIKELY ACTIVE |
| TITorginol Inc. | Sheboygan | WI | Plastics and Rubber Products Manufacturing326199 | 100-499 | ◐ LIKELY ACTIVE |
| UAUnion Avenue | Sheboygan | WI | Food Manufacturing311612 | 100-499 | ◐ LIKELY ACTIVE |
| USUSA Sheboygan WI - VPI Corp | Sheboygan | WI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| WSWI050 Sheboygan Container | Sheboygan | WI | Paper Manufacturing322211 | 100-499 | ◐ LIKELY ACTIVE |
| ZCZimmermann Company | Sheboygan | WI | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| FGFranzen Graphics INC | Sheboygan | WI | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| ALAndara, LLC | Sheboygan | WI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| AGAustin Gray Iron Foundry | Sheboygan | WI | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| EBEarl B. Ney | Sheboygan | WI | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| EAEllingers Agatized Wood INC | Sheboygan | WI | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| FFFour Fox Cakes, LLC | Sheboygan | WI | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| HMHi-Lite Machine Company | Sheboygan | WI | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| HFHygienic Fabrics and Filters, INC. | Sheboygan | WI | Textile Product Mills314999 | — | ◇ UNVERIFIED |
| IAInvento Americas, INC. | Sheboygan | WI | Plastics and Rubber Products Manufacturing326160 | — | ◇ UNVERIFIED |
| JLJeremy Lewis Associates Inc. | Sheboygan | WI | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| KSKB Squared LLC | Sheboygan | WI | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| KMKoenig Machine INC. | Sheboygan | WI | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| KWK/p Welding & Fabricating, INC | Sheboygan | WI | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| LCLear CORP Sheboygan | Sheboygan | WI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| LFLeick Furniture Incorporated | Sheboygan | WI | Furniture and Related Product Manufacturing337122 | — | ◇ UNVERIFIED |
| MCMayline Company LLC | Sheboygan | WI | Furniture and Related Product Manufacturing337214 | — | ◇ UNVERIFIED |
| NANemak Automotive Castings | Sheboygan | WI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| NUNemak USA INC. | Sheboygan | WI | Primary Metal Manufacturing331521 | — | ◇ UNVERIFIED |
| NHNorman's Hi-Lo Bakery LLC | Sheboygan | WI | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| PEPlastics Eng CO | Sheboygan | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PCPolyfab CORP | Sheboygan | WI | Plastics and Rubber Products Manufacturing326130 | — | ◇ UNVERIFIED |
| RDRadical Design Solutions LLC | Sheboygan | WI | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
 Safco Products CO | Sheboygan | WI | Furniture and Related Product Manufacturing337210 | — | ◇ UNVERIFIED |
| SPScandia Plastics LLC Dba Comar | Sheboygan | WI | Plastics and Rubber Products Manufacturing326160 | — | ◇ UNVERIFIED |
| SPSheboygan Paper Box Company | Sheboygan | WI | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| TMTH Manufacturing Group LLC | Sheboygan | WI | Fabricated Metal Product Manufacturing332919 | — | ◇ UNVERIFIED |
| TSThree Sheeps Brewing Company | Sheboygan | WI | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| UCUnited Carbide LLC | Sheboygan | WI | Fabricated Metal Product Manufacturing332216 | — | ◇ UNVERIFIED |
| VCVanDerVart Concrete Products, LLC | Sheboygan | WI | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| VCVanDerVart Concrete Products, LLC | Sheboygan | WI | Nonmetallic Mineral Product Manufacturing327310 | — | ◇ UNVERIFIED |
| WBWeiss Brothers Enterprise LLC | Sheboygan | WI | Miscellaneous Manufacturing339930 | — | ◇ UNVERIFIED |
| WIWestshore Industries | Sheboygan | WI | Furniture and Related Product Manufacturing337120 | — | ◇ UNVERIFIED |
| WSWest Side Bakery Inc | Sheboygan | WI | Food Manufacturing311811 | — | ◇ UNVERIFIED |
