| FCFalls Cleaning Products LLC | Seymour | WI | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| FIFlitz International | Hartford | WI | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| FCFontarome Chemical, INC. | Saint Francis | WI | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| FRFreedom Rng Production | Kaukauna | WI | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| FHFroedtert Health - Integrated Service Center | Menomonee Falls | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| FFFrontier-servco Fs, Div of Growmark, INC. | Brodhead | WI | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| FFFrontier-servco Fs, Div of Growmark, INC. | Mazomanie | WI | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| GEGoodland Extracts, LLC | Milwaukee | WI | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| GLGraftobian, Ltd. | Madison | WI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| GCGrove Charcoal | Cedar Grove | WI | Chemical Manufacturing325194 | — | ◇ UNVERIFIED |
| HPHayward Pharmacy INC. | Wauwatosa | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| HIHealthdirect Institutional Pharmacy Services, INC. | Brookfield | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| HSHigh Sierra Corp | Chippewa Falls | WI | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| HPHillestad Pharmaceuticals Usa, INC. | Woodruff | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| HPHMG Properties LLC | Lake Mills | WI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| HHoh | Greendale | WI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| HCHynite Corporation | Oak Creek | WI | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| HCHyponex CORP | Germantown | WI | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| IPIdeal Paint Works LLC | Ladysmith | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| JAJefferson Area Business Center | Jefferson | WI | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| JIJonco Industries | Milwaukee | WI | Chemical Manufacturing325130 | — | ◇ UNVERIFIED |
| KTKem Tech Industries LLC | Ixonia | WI | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| KWKramer Well Drilling, LLC | Chetek | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| LCLear CORP Sheboygan | Sheboygan | WI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| LCLeft Coast Powder Coating | La Crosse | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| LILumimove, INC. | Milwaukee | WI | Chemical Manufacturing325132 | — | ◇ UNVERIFIED |
| MPMadison Powder Coating LLC | Stoughton | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| MMaterion | Milwaukee | WI | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| MLMesser LLC | Beloit | WI | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| MPMetals Processing, INC | Milwaukee | WI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| MDMicrobial Discovery Group | Franklin | WI | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
 Midwest Rubber Mfg L L C | Stoughton | WI | Chemical Manufacturing325520 | — | ◇ UNVERIFIED |
| MBMirus Bio LLC | Madison | WI | Chemical Manufacturing325414 | — | ◇ UNVERIFIED |
| MSMulti-pack Solutions LLC | Milwaukee | WI | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| NCNalco Chemical CO @ New Page (former) | Niagara | WI | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| NSNatural Systems Utilities | Baldwin | WI | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
| NCNexgen Coatings LLC | Sheboygan Falls | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| NFNohl Fabrication-a Division of the Gund Company | Milwaukee | WI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| NANorth American Bioindustries CORP | New Berlin | WI | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| NMNorthstar Medical Radioisotopes, LLC. | Madison | WI | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| NBNovozymes Bioag, INC. | Brookfield | WI | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| OPOnline Packaging INC | Plover | WI | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
 Osi Environmental INC | Kaukauna | WI | Chemical Manufacturing325920 | — | ◇ UNVERIFIED |
| PTPAK Technologies Holding Company Inc. | Milwaukee | WI | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PPPrecision Powder, LLC | Greenville | WI | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| PCPress Color, INC. | Glendale | WI | Chemical Manufacturing325910 | — | ◇ UNVERIFIED |
| PPrinsco | Appleton | WI | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| PSProactive Solutions Usa, LLC - De Pere | De Pere | WI | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| PLProchemicals LLC De Pere | De Pere | WI | Chemical Manufacturing325611 | — | ◇ UNVERIFIED |
| PCPromega Corporation - 5500 Nobel | Fitchburg | WI | Chemical Manufacturing325413 | — | ◇ UNVERIFIED |
