| ACAldrich Chemical CO INC | Milwaukee | WI | Chemical Manufacturing325190 | — | ◇ UNVERIFIED |
| AIAlliance Industries, INC. | Marinette | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ACAmerequip CORP Plant 2 | New Holstein | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ACArkema Coating Resins | Saukville | WI | Chemical Manufacturing325210 | — | ◇ UNVERIFIED |
| AIAshland INC | Johnson Creek | WI | Chemical Manufacturing325210 | — | ◇ UNVERIFIED |
| BMBadger Mining Corporation - Taylor Coating Plant | Taylor | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BABell Aromatics | Milwaukee | WI | Chemical Manufacturing325400 | — | ◇ UNVERIFIED |
| BIBilsons Industries(formerly B & K Finishing) | Milwaukee | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BDBme Demeter Rng LLC | Dane | WI | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| BIBostik INC | Wauwatosa | WI | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| CGCarboline Global, INC. | Green Bay | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CCatalent | Madison | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| CCChem Chrome INC | Schofield | WI | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| CMCirtec Medical CORP | Sturtevant | WI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CCClariant CORP - Oak Creek | Oak Creek | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| DRDarlington Ridge Farms LLC | Darlington | WI | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| DIDic Imaging Products USA INC | Oak Creek | WI | Chemical Manufacturing325210 | — | ◇ UNVERIFIED |
| DMDielectric Materials INC | Cedarburg | WI | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| DIDiversey INC | Eau Claire | WI | Chemical Manufacturing325000 | — | ◇ UNVERIFIED |
| ESExact Sciences | Madison | WI | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| FCFeynman Center | Madison | WI | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| FDFormer Diversey INC | Sturtevant | WI | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| FRFox River Valley Ethanol LLC - Pickett | Pickett | WI | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| GWGaco Western INC | Waukesha | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| GLGreat Lakes Biochemical CO | Milwaukee | WI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| GFGreen Fuel Technologies Cashton LLC | Cashton | WI | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| HIHandschy Industries LLC | Menomonee Falls | WI | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| HTHenkel Technologies | Oak Creek | WI | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| HCHoffers's Coatings , INC. | Wausau | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| HIHologic INC | Madison | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| HJHoward Johnsons Enterprises INC | Viroqua | WI | Chemical Manufacturing325310 | — | ◇ UNVERIFIED |
| HCHydrite Chemical CO | Oshkosh | WI | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| HCHydrite Chemical CO | Wausau | WI | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| IIIn'tech Industries | Racine | WI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| IIInx International Ink CO | Milwaukee | WI | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| JJci/tyco | Marinette | WI | Chemical Manufacturing325990 | — | ◇ UNVERIFIED |
| KLKitpackers LLC (former) | Germantown | WI | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| KTKleen Test Products | Port Washington | WI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| LMLeslie Marble Products INC | Thorp | WI | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| LMLucigen Middleton Wi | Middleton | WI | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| MIMarathon Industrial Finishing LLC | Marathon | WI | Chemical Manufacturing325510 | 1-19 | ◇ UNVERIFIED |
| MPMatthews Paint CO | Pleasant Prairie | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| MIMenard INC Fleet North | Eau Claire | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| MBMidwest Biofuel, LLC | Clinton | WI | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| MPMilliporesigma - Port Washington | Port Washington | WI | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| NPNexus Pharmaceuticals | Pleasant Prairie | WI | Chemical Manufacturing325410 | — | ◇ UNVERIFIED |
| PCPolyone CORP (former) | Sussex | WI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| PGPpg Gp LLC | Milwaukee | WI | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| PPPremium Prefinished Products, INC. | Sun Prairie | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PDPrinting Developments INC | Racine | WI | Chemical Manufacturing325000 | — | ◇ UNVERIFIED |
