| 3C3m Company - Plant #1 | Prairie Du Chien | WI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| 5P5n Plus CORP | Windsor | WI | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| AUAirgas USA LLC Waukesha Wi | Waukesha | WI | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| APAir Products and Chemicals INC Boyceville Co2 Recovery Plant | Boyceville | WI | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| ACAlcami CORP (formerly Cambridge Major Laboratories) | Germantown | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| ACAldrich Chemical CO INC | Milwaukee | WI | Chemical Manufacturing325190 | — | ◇ UNVERIFIED |
| ACAldrich Chemical CO INC | Milwaukee | WI | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| AIAlliance Industries, INC. | Marinette | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| ACAmerequip CORP Plant 2 | New Holstein | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| AMApplied Material Solutions, INC. | Burlington | WI | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| ACArkema Coating Resins | Saukville | WI | Chemical Manufacturing325210 | — | ◇ UNVERIFIED |
| AIAshland INC | Johnson Creek | WI | Chemical Manufacturing325210 | — | ◇ UNVERIFIED |
| ALAthea Labs, INC. | Milwaukee | WI | Chemical Manufacturing325612 | — | ◇ 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 - Renewable Natural Gas Plant | Dane | WI | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| BDBme Demeter Rng LLC | Dane | WI | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| BCBorden Chemical Incorporated | Oak Creek | WI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| BIBostik INC | Wauwatosa | WI | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| BDBurnett Dairy Cooperative Agronomy Plant | Grantsburg | WI | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| CGCarboline Global, INC. | Green Bay | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CCatalent | Madison | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| CCChem Chrome INC | Schofield | WI | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| COChemstation of Wisconsin | Butler | WI | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| CMCirtec Medical CORP | Sturtevant | WI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| CCClariant CORP - Oak Creek | Oak Creek | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CCsl | Franksville | WI | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| DRDarlington Ridge Farms LLC | Darlington | WI | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| DODeltco of Wisconsin INC | Ashland | WI | Chemical Manufacturing325211 | — | ◇ 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 |
| DMDiversified Manufacturing Corporation | Prescott | WI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| DCDynamic Color Solutions INC | Milwaukee | WI | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| ESElementis Specialties INC | Milwaukee | WI | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| ELElements Ltp INC | Milwaukee | WI | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| ESExact Sciences | Madison | WI | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| FCFeynman Center | Madison | WI | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| FDFormer Diversey INC | Sturtevant | WI | Chemical Manufacturing325612 | — | ◇ 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 |
 Hexpol Compounding PC INC Dba Hexpol Whitewater | Whitewater | WI | Chemical Manufacturing325991 | — | ◇ 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 |
