| HCHydrite Chemical CO | Oshkosh | 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 |
| MPMatthews Paint CO | Pleasant Prairie | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| MPMax Pax LLC | Elkhorn | WI | Chemical Manufacturing325612 | — | ◇ 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 |
| OROak Ridge Foam & Coating Systems INC | Green Lake | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PCParker Coatings INC | Green Bay | WI | Chemical Manufacturing325510 | — | ◇ 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 |
| PMPrince Minerals LLC | Milwaukee | WI | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| PDPrinting Developments INC | Racine | WI | Chemical Manufacturing325000 | — | ◇ UNVERIFIED |
| PCPromega CORP - Biopharmaceutical Tech Ctr | Madison | WI | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
| RKResinlab Kitpackers | Germantown | WI | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| RDRja Dispersions LLC | Hudson | WI | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| RIRoyster-clark Incorporated | Madison | WI | Chemical Manufacturing325310 | — | ◇ UNVERIFIED |
| RORust - Oleum CORP | Pleasant Prairie | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SSSaint-gobain Sgppl | Portage | WI | Chemical Manufacturing325212 | — | ◇ UNVERIFIED |
| SWSchofield Waterworks-bg311 | Schofield | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SISfi, INC. | Sparta | WI | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| SPSolar Paints Varnish, Incorporated | Milwaukee | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SISpartek INC | Sparta | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SMSpecialty Minerals INC | Superior | WI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| SMSpecialty Minerals INC | Wisconsin Rapids | WI | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SSta-care | Pardeeville | WI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| SCStratatech CORP | Madison | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| SLSv Lab | Prescott | WI | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| TDTeel Das, LLC | Baraboo | WI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| TAThe Andersons INC. | Arena | WI | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| TSTruvant - South | Prairie Du Chien | WI | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| UMUmi Metalfab | Menomonee Falls | WI | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| USU S Filter - Plymouth Products Division | Sheboygan | WI | Chemical Manufacturing325991 | — | ◇ UNVERIFIED |
| UDUti / Diversey Distribution Center | Sturtevant | WI | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| WCWausau Chemical CORP | Wausau | WI | Chemical Manufacturing325610 | — | ◇ UNVERIFIED |
| WCWedor Chemical CORP | Milwaukee | WI | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| WAWhitefield Auto, INC - Ashland Ave | Green Bay | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| WCWikoff Color Corporation - Lisbon Facility | Lisbon | WI | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| WEWoods Equipment Company | Schofield | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| EC"4006 - Eau Claire Extrusion" | Eau Claire | WI | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| AGA Good Ass Day | Eau Claire | WI | Chemical Manufacturing325620 | 1-19 | ◐ LIKELY ACTIVE |
| ANA.P. Nonweiler Co., Inc. - Vinland Warehouse | Oshkosh | WI | Chemical Manufacturing325510 | 1-19 | ◐ LIKELY ACTIVE |
