| BWBj Wood Products, INC. | Ladysmith | WI | Furniture and Related Product Manufacturing337215 | — | ◇ UNVERIFIED |
| BLBk Laser LLC | Fond Du Lac | WI | Printing and Related Support Activities323113 | 20-99 | ◇ UNVERIFIED |
| BDBme Demeter Rng LLC | Dane | WI | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| BTBodycote Thermal Processing | New Berlin | WI | Fabricated Metal Product Manufacturing332810 | — | ◇ UNVERIFIED |
| BTBodycote Thermal Processing | Racine | WI | Fabricated Metal Product Manufacturing332811 | — | ◇ UNVERIFIED |
| BABonduelle (fka Allens INC ) | Fairwater | WI | Food Manufacturing311410 | — | ◇ UNVERIFIED |
| BIBostik INC | Wauwatosa | WI | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| BMBriess Malt & Ingredients Company | Waterloo | WI | Food Manufacturing311210 | — | ◇ UNVERIFIED |
| BSBriggs & Stratton Power Products Group, LLC | Jefferson | WI | Electrical Equipment, Appliance & Component Manufacturing335312 | — | ◇ UNVERIFIED |
| BIBrillion Iron Works, INC. | Brillion | WI | Primary Metal Manufacturing331510 | — | ◇ UNVERIFIED |
| BHBroadwind Heavy Industries | Clintonville | WI | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| BCBrown County Cabinets INC | Green Bay | WI | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| BVBrown-wilbert Vault CO. - De Pere | Depere | WI | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| BPBuzdums Pub | Germantown | WI | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| BCBway Corporation-midwest Aerosol Plant | Sturtevant | WI | Fabricated Metal Product Manufacturing332431 | — | ◇ UNVERIFIED |
| BCBw Converting INC | Green Bay | WI | Machinery Manufacturing333243 | — | ◇ UNVERIFIED |
| CICalibre INC | Grafton | WI | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CICalibre, INC. | Grafton | WI | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CDCalifornia Dream INC | Hartland | WI | Transportation Equipment Manufacturing336211 | — | ◇ UNVERIFIED |
| CCCarbo Ceramics INC - Marshfield Plant | Marshfield | WI | Nonmetallic Mineral Product Manufacturing327992 | — | ◇ UNVERIFIED |
| CGCarboline Global, INC. | Green Bay | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CICargill INC Malt Americas - Sheboygan | Sheboygan | WI | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| CTCarlisle Tire & Wheel | Slinger | WI | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CPCastle Pierce | Oshkosh | WI | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| CCatalent | Madison | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| CPCatalyst Paper - Biron Mill | Wisconsin Rapids | WI | Paper Manufacturing322121 | — | ◇ UNVERIFIED |
| CCCellutissue Corporation Neenah D.b.a Clearwater Paper | Neenah | WI | Paper Manufacturing322120 | — | ◇ UNVERIFIED |
| CACentral Aquatics - Plant #2 | Franklin | WI | Nonmetallic Mineral Product Manufacturing327210 | — | ◇ UNVERIFIED |
| CACentral Aquatics Plants 1 and 2 | Franklin | WI | Nonmetallic Mineral Product Manufacturing327210 | — | ◇ UNVERIFIED |
| CACentrifugal Acquisition Corporation, INC. | Milwaukee | WI | Primary Metal Manufacturing331523 | 1-19 | ◇ UNVERIFIED |
| CIC-graphic INC | Milwaukee | WI | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CEChart Energy & Chemical INC | La Crosse | WI | Primary Metal Manufacturing331512 | — | ◇ UNVERIFIED |
| CWCharter Wire Division CO | Milwaukee | WI | Primary Metal Manufacturing331220 | — | ◇ UNVERIFIED |
| CCChem Chrome INC | Schofield | WI | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| CECherry Electrical Prods | Pleasant Prairie | WI | Paper Manufacturing322212 | — | ◇ UNVERIFIED |
| COCherry Optical | Green Bay | WI | Machinery Manufacturing333310 | — | ◇ UNVERIFIED |
| CPChilton Plating | Chilton | WI | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| CIChrist Iron Works, INC. | Kenosha | WI | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| CLChrysler LLC | Kenosha | WI | Transportation Equipment Manufacturing336310 | — | ◇ UNVERIFIED |
| CMCirtec Medical CORP | Sturtevant | WI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CCClariant CORP - Oak Creek | Oak Creek | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CSClcm St Francis | Saint Francis | WI | Fabricated Metal Product Manufacturing332439 | — | ◇ UNVERIFIED |
| CCl&d | Hartland | WI | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CDCl & D Graphics | Oconomowoc | WI | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CACnh America LLC | Racine | WI | Primary Metal Manufacturing331510 | — | ◇ UNVERIFIED |
| CCCoca-cola Company | Milwaukee | WI | Beverage and Tobacco Product Manufacturing312110 | — | ◇ UNVERIFIED |
| CMColumbus Manufacturing, LLC | Columbus | WI | Fabricated Metal Product Manufacturing332912 | — | ◇ UNVERIFIED |
| CPConley Printing LLC | Beaver Dam | WI | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| CFConstruction Forms INC | Grafton | WI | Machinery Manufacturing333120 | — | ◇ UNVERIFIED |
| CPConverters Prepress INC | Columbus | WI | Printing and Related Support Activities323120 | — | ◇ UNVERIFIED |