| PIPRE-heat, Inc. | Oostburg | WI | Primary Metal Manufacturing331210 | 20-99 | ◐ LIKELY ACTIVE |
Quad/graphics, INC. | Sussex | WI | Printing and Related Support Activities323110 | — | ◐ LIKELY ACTIVE |
Quad/graphics INC - Lomira | Lomira | WI | Printing and Related Support Activities323110 | — | ◐ LIKELY ACTIVE |
| QHQuanex Homeshield LLC | Rice Lake | WI | Fabricated Metal Product Manufacturing332321 | 100-499 | ◐ LIKELY ACTIVE |
| RRRb Royal Industries INC | Fond Du Lac | WI | Fabricated Metal Product Manufacturing332721 | 20-99 | ◐ LIKELY ACTIVE |
| RLRenewAire LLC | Waunakee | WI | Machinery Manufacturing333413 | 100-499 | ◐ LIKELY ACTIVE |
| RIRetlaw Industries INC | Hartland | WI | Plastics and Rubber Products Manufacturing326199 | 20-99 | ◐ LIKELY ACTIVE |
| RIRobbins INC | White Lake | WI | Wood Product Manufacturing321000 | 20-99 | ◐ LIKELY ACTIVE |
| RTRockline Trading - Top Brass, INC. | Wittenberg | WI | Chemical Manufacturing325610 | 20-99 | ◐ LIKELY ACTIVE |
| RCRPS Corporation | Racine | WI | Machinery Manufacturing333318 | 100-499 | ◐ LIKELY ACTIVE |
| RCRust-oleum CORP | Pleasant Prairie | WI | Chemical Manufacturing325510 | 100-499 | ◐ LIKELY ACTIVE |
| RMRyan Manufacturing INC. | Schofield | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| SPSalm Partners, LLC | Denmark | WI | Food Manufacturing311612 | 500+ | ◐ LIKELY ACTIVE |
| SUSanimax USA, LLC | Green Bay | WI | Food Manufacturing311613 | 100-499 | ◐ LIKELY ACTIVE |
| SUSanimax USA LLC | Howard | WI | Food Manufacturing311225 | — | ◐ LIKELY ACTIVE |
| SJS.c. Johnson & Son, INC. - Waxdale Complex | Sturtevant | WI | Chemical Manufacturing325210 | — | ◐ LIKELY ACTIVE |
| SISeda International Packaging Group Inc. - North America | Mount Pleasant | WI | Paper Manufacturing322219 | 100-499 | ◐ LIKELY ACTIVE |
| STSelect Trusses & Lumber, Inc. | West Salem | WI | Wood Product Manufacturing321214 | 20-99 | ◐ LIKELY ACTIVE |
| SFSeneca Foods Cambria W | Cambria | WI | Food Manufacturing311420 | 100-499 | ◐ LIKELY ACTIVE |
| SFSeneca Foods Corporation - Berlin | Berlin | WI | Food Manufacturing311411 | 20-99 | ◐ LIKELY ACTIVE |
| SFSeneca Foods Corporation Mayville | Mayville | WI | Food Manufacturing311420 | 100-499 | ◐ LIKELY ACTIVE |
| SFSenior Flexonics - Ga Precision | Franklin | WI | Fabricated Metal Product Manufacturing332710 | 100-499 | ◐ LIKELY ACTIVE |
| SISheldons' Inc. | Antigo | WI | Miscellaneous Manufacturing339920 | 20-99 | ◐ LIKELY ACTIVE |
| SSSilver Spring Foods | Eau Claire | WI | Food Manufacturing311941 | 100-499 | ◐ LIKELY ACTIVE |
| STSjoberg Tool & Manufacturing Corp. North Facility | Hartland | WI | Fabricated Metal Product Manufacturing332116 | 100-499 | ◐ LIKELY ACTIVE |
| SMSohn Manufacturing | Elkhart Lake | WI | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| STSons Tool INC. | Woodville | WI | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| SPSOS Prescott, Inc. | Prescott | WI | Fabricated Metal Product Manufacturing332119 | 20-99 | ◐ LIKELY ACTIVE |
| SSpartech | Manitowoc | WI | Chemical Manufacturing325990 | 20-99 | ◐ LIKELY ACTIVE |
| SPSpectra Print CORP | Stevens Point | WI | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| SISpectrum Industries INC | Chippewa Falls | WI | Furniture and Related Product Manufacturing337127 | — | ◐ LIKELY ACTIVE |
| SBSprecher Brewing CO. INC. | Glendale | WI | Beverage and Tobacco Product Manufacturing312120 | 100-499 | ◐ LIKELY ACTIVE |
| SPStark Pavement CORP | Brookfield | WI | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| SPStearns Packaging Corporation | Madison | WI | Chemical Manufacturing325611 | — | ◐ LIKELY ACTIVE |
| SEStora Enso NA Stevens Point | Stevens Point | WI | Paper Manufacturing322120 | — | ◐ LIKELY ACTIVE |
| STStoughton Trailers LLC - Plant 3 | Stoughton | WI | Transportation Equipment Manufacturing336212 | 1-19 | ◐ LIKELY ACTIVE |
| STStoughton Trailers LLC - Plt 7 | Evansville | WI | Transportation Equipment Manufacturing336210 | — | ◐ LIKELY ACTIVE |
| SPST Paper, LLC | Oconto Falls | WI | Paper Manufacturing322120 | 100-499 | ◐ LIKELY ACTIVE |
| SPSunlite Plastics INC | Germantown | WI | Plastics and Rubber Products Manufacturing326120 | 20-99 | ◐ LIKELY ACTIVE |
| SSSuper Steel LLC | Mequon | WI | Plastics and Rubber Products Manufacturing326191 | 100-499 | ◐ LIKELY ACTIVE |
| SSustana | De Pere | WI | Paper Manufacturing322110 | 20-99 | ◐ LIKELY ACTIVE |
| TCTankcraft Corporation | Darien | WI | Fabricated Metal Product Manufacturing332420 | 100-499 | ◐ LIKELY ACTIVE |
| TMT&d Machine, INC. | Butler | WI | Fabricated Metal Product Manufacturing332710 | 1-19 | ◐ LIKELY ACTIVE |
| TKThe Kinetic Co., Inc. | Greendale | WI | Fabricated Metal Product Manufacturing332216 | 100-499 | ◐ LIKELY ACTIVE |
| TSThird Space Brewing, LLC | Milwaukee | WI | Beverage and Tobacco Product Manufacturing312130 | 20-99 | ◐ LIKELY ACTIVE |
| TITimberpro INC | Shawano | WI | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| TITitan Industries Inc | New London | WI | Machinery Manufacturing333922 | 20-99 | ◐ LIKELY ACTIVE |
| TMTitletown Manufacturing | Green Bay | WI | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| TMTomahawk Manufacturing Inc | Plymouth | WI | Machinery Manufacturing333241 | 20-99 | ◐ LIKELY ACTIVE |
Topcon Positioning Systems | Fort Atkinson | WI | Machinery Manufacturing333997 | 20-99 | ◐ LIKELY ACTIVE |