| Bayer | Bayer | product safety violation | 2020 | private lawsuit-federal | $9,600,000,000 |
| Bayer AG | Bayer | drug or medical equipment safety violation | 2020 | private lawsuit-state | $1,600,000,000 |
| Syngenta AG | Sinochem Holdings Corporation | product safety violation | 2018 | private lawsuit-federal | $1,510,000,000 |
| Dow Chemical | Dow Inc. | price-fixing or anti-competitive practices | 2016 | private lawsuit-federal | $835,000,000 |
| Mosaic Fertilizer, LLC | Mosaic Co. | hazardous waste violation | 2015 | EPA | $810,200,000 |
| Bayer AG | Bayer | product safety violation | 2011 | private lawsuit-federal | $750,000,000 |
| Monsanto Company | Bayer | PCB violation | 2022 | OR-AG | $698,000,000 |
| Chemours | Chemours | PFAS violation | 2024 | private lawsuit-federal | $592,000,000 |
| Monsanto Company | Bayer | PCB violation | 2022 | private lawsuit-federal | $537,500,000 |
| DuPont de Nemours | DuPont de Nemours | PFAS violation | 2024 | private lawsuit-federal | $400,000,000 |
| Solvay Specialty Polymers USA, LLC | Solvay | PFAS violation | 2023 | NJ-AG | $393,000,000 |
| Monsanto Co. | Bayer | PCB violation | 2003 | private lawsuit-federal | $390,000,000 |
| Bayer AG | Bayer | drug or medical equipment safety violation | 2019 | private lawsuit-federal | $387,500,000 |
| Kolon Industries Inc. | Kolon Industries | price-fixing or anti-competitive practices | 2015 | DOJ_CRIMINAL | $360,000,000 |
| Chemours | Chemours | PFAS violation | 2017 | private lawsuit-federal | $335,350,000 |
| Tronox Inc. | Tronox | environmental violation | 2010 | DOJ | $270,000,000 |
| Bayer Corporation | Bayer | False Claims Act and related | 2003 | DOJ_CIVIL | $251,000,000 |
| Bayer AG | Bayer | price-fixing or anti-competitive practices | 2006 | private lawsuit-federal | $250,375,190 |
| Albemarle Corporation | Albemarle | Foreign Corrupt Practices Act | 2023 | DOJ_CRIMINAL | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $196,700,000 |
| CF Industries Inc. | CF Industries | hazardous waste violation | 2010 | EPA | $176,201,500 |
| Lyondell Chemical Company | LyondellBasell Industries | environmental violation | 2010 | USAO | $162,000,000 |
| Monsanto Company | Bayer | PCB violation | 2024 | WA-SCA | $160,000,000 |
| Dow Chemical Company | Dow Inc. | radioactive waste violation | 2017 | private lawsuit-federal | $131,250,000 |
| Equistar Chemicals LP | LyondellBasell Industries | environmental violation | 2007 | EPA | $127,500,000 |
| Monsanto Co. | Bayer | environmental violation | 2013 | private lawsuit-state | $122,500,000 |
| Chevron Phillips Chemical Company LP | Chevron Phillips Chemical | air pollution violation | 2022 | EPA | $121,400,000 |
| Westlake Chemical Corporation | Westlake Chemical | environmental violation | 2022 | EPA | $111,000,000 |
| DuPont | DuPont de Nemours | PFAS violation | 2023 | OH-AG | $110,000,000 |
| TPC Group LLC | TPC Group | air pollution violation | 2024 | EPA | $110,000,000 |
| Bayer AG | Bayer | False Claims Act and related | 2003 | MULTI-AG | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $108,000,000 |
| Celanese Corporation | Celanese | price-fixing or anti-competitive practices | 2008 | private lawsuit-federal | $107,000,000 |
| Albemarle Corporation | Albemarle | Foreign Corrupt Practices Act | 2023 | SEC | $103,600,000 |
| NL Industries, Inc. | Contran Corporation | consumer protection violation | 2019 | CA-MULTI | $101,666,667 |
| Sid Richardson Carbon and Energy Company | Tokai Carbon | air pollution violation | 2017 | EPA | $101,489,000 |
| Orion Engineered Carbons, LLC | Orion Engineered Carbons | air pollution violation | 2017 | EPA | $101,350,000 |
| Dow Chemical Company | Dow Inc. | environmental violation | 2019 | EPA | $98,750,000 |
| Bayer HealthCare LLC | Bayer | False Claims Act and related | 2008 | DOJ_CIVIL | $97,500,000 |
| Monsanto Co. et al. | Bayer | PCB violation | 2020 | WA-AG | $95,000,000 |
| Braskem S.A | Braskem | Foreign Corrupt Practices Act | 2016 | DOJ_CRIMINAL | $94,800,000 |
| Scotts Miracle-Gro Company | Scotts Miracle-Gro | product safety violation | 2019 | private lawsuit-federal | $85,000,000 |
| Cabot Corporation | Cabot Corp. | air pollution violation | 2013 | EPA | $84,975,000 |
| PCS Nitrogen Fertilizer, L.P. | Nutrien Ltd. | hazardous waste violation | 2022 | EPA | $84,510,023 |
| DuPont Dow Elastomers L.L.C. | DuPont de Nemours | price-fixing or anti-competitive practices | 2005 | DOJ_ANTITRUST | $84,000,000 |
| Monsanto Company | Bayer | accounting fraud or deficiencies | 2016 | SEC | $80,000,000 |
| Monsanto Co. and Solutia Inc. and Pharmacia, LLC | Bayer | PCB violation | 2022 | OH-AG | $80,000,000 |
| Monsanto Co. | Bayer | PCB violation | 2023 | VA-AG | $80,000,000 |
| Bayer Corporation | Bayer | price-fixing or anti-competitive practices | 2013 | private lawsuit-state | $74,000,000 |
| DuPont | DuPont de Nemours | air pollution violation | 2007 | EPA | $70,125,000 |
| Bayer AG | Bayer | price-fixing or anti-competitive practices | 2004 | DOJ_ANTITRUST | $66,000,000 |
| Braskem S.A. | Braskem | Foreign Corrupt Practices Act | 2016 | SEC | $65,000,000 |
| Hitachi Chemical Co. Ltd. | Showa Denko | price-fixing or anti-competitive practices | 2018 | private lawsuit-federal | $63,000,000 |
| BASF Corporation | BASF | price-fixing or anti-competitive practices | 2000 | MULTI-AG | $62,258,250 |
| RPM International Inc. | RPM International | False Claims Act and related | 2013 | DOJ_CIVIL | $60,900,000 |
| PPG Industries, Inc. | PPG Industries | price-fixing or anti-competitive practices | 2006 | private lawsuit-federal | $60,000,000 |
| BASF Catalysts LLC | BASF | asbestos violation | 2021 | private lawsuit-federal | $57,100,000 |
| Bayer | Bayer | drug or medical equipment safety violation | 2015 | private lawsuit-federal | $56,900,000 |
| Bayer AG | Bayer | price-fixing or anti-competitive practices | 2006 | private lawsuit-federal | $55,300,000 |
| LyondellBasell Industries | LyondellBasell Industries | air pollution violation | 2021 | EPA | $53,400,000 |
| Daicel Chemical Industries Ltd. | Daicel | price-fixing or anti-competitive practices | 2000 | DOJ_ANTITRUST | $53,000,000 |
| Rhodia Inc. | Solvay | environmental violation | 2007 | EPA | $52,000,000 |
| Monsanto Co. | Bayer | PCB violation | 2020 | DC-AG | $52,000,000 |
| PCS Nitrogen Fertilizer, AA Sulfuric Inc., and White Springs Agricultural Chemicals Inc. | Nutrien Ltd. | environmental violation | 2014 | EPA | $51,300,000 |
| BASF Corporation | BASF | price-fixing or anti-competitive practices | 2011 | private lawsuit-federal | $51,000,000 |
| Chemtrade | Chemtrade Logistics | price-fixing or anti-competitive practices | 2019 | private lawsuit-federal | $51,000,000 |
| Chemtura Corporation | Lanxess | price-fixing or anti-competitive practices | 2007 | private lawsuit-federal | $51,000,000 |
| Crompton Corporation | Lanxess | price-fixing or anti-competitive practices | 2004 | DOJ_ANTITRUST | $50,000,000 |
| Solutia Inc. | Eastman Chemical | PCB violation | 2003 | private lawsuit-federal | $50,000,000 |
| Cristal USA, Inc. | Ineos | price-fixing or anti-competitive practices | 2013 | private lawsuit-federal | $50,000,000 |
| Formosa Plastics Corp. | Formosa Plastics | environmental violation | 2019 | private lawsuit-federal | $50,000,000 |
| Solvay Chemicals Inc. | Solvay | price-fixing or anti-competitive practices | 2008 | private lawsuit-federal | $46,000,000 |
| Toyo Ink SC Holdings Co. Ltd. | Toyo Ink | False Claims Act and related | 2012 | DOJ_CIVIL | $45,000,000 |
| Tanabe Seiyaku Co. Ltd. | Mitsubishi Chemical | price-fixing or anti-competitive practices | 2004 | private lawsuit-federal | $45,000,000 |
| Monsanto Co. | Bayer | pesticide violation | 2023 | private lawsuit-federal | $45,000,000 |
| Mosaic Co. | Mosaic Co. | price-fixing or anti-competitive practices | 2013 | private lawsuit-federal | $43,750,000 |
| Potash Corp. of Saskatchewan Inc. | Nutrien Ltd. | price-fixing or anti-competitive practices | 2013 | private lawsuit-federal | $43,750,000 |
| Solvay S.A. | Solvay | price-fixing or anti-competitive practices | 2006 | DOJ_ANTITRUST | $40,800,000 |
| Bayer Corporation | Bayer | False Claims Act and related | 2022 | DOJ_CIVIL | $40,000,000 |
| Monsanto Company | Bayer | consumer protection violation | 2021 | private lawsuit-federal | $39,550,000 |
| LG Chem Ltd. | LG Chem | price-fixing or anti-competitive practices | 2020 | private lawsuit-federal | $39,000,000 |
| Hercules Incorporated | Ashland Inc. | tax violations | 2004 | IRS | $36,000,000 |
| Degussa AG | Evonik Industries | price-fixing or anti-competitive practices | 2002 | private lawsuit-federal | $35,666,666 |
| Ecolab | Ecolab | wage and hour violation | 2016 | private lawsuit-federal | $35,000,000 |
| Kronos Worldwide, Inc. | Contran Corporation | price-fixing or anti-competitive practices | 2013 | private lawsuit-federal | $35,000,000 |
| Monsanto Company | Bayer | water pollution violation | 2024 | CA-LACA | $35,000,000 |
| Monsanto | Bayer | PCB violation | 2023 | PA-ENV | $33,333,333 |
| Solutia INC | Eastman Chemical | PCB violation | 2023 | PA-ENV | $33,333,333 |
| Bayer Corporation | Bayer | price-fixing or anti-competitive practices | 2004 | DOJ_ANTITRUST | $33,000,000 |
| Huntsman International LLC | Huntsman Corp. | price-fixing or anti-competitive practices | 2011 | private lawsuit-federal | $33,000,000 |
| Mosaic Fertilizer | Mosaic Co. | environmental violation | 2009 | EPA | $32,400,000 |
| Bayer AG | Bayer | price-fixing or anti-competitive practices | 2006 | private lawsuit-federal | $32,000,000 |
| Fluid Recovery Services LLC | Aquatech International | water pollution violation | 2013 | EPA | $30,083,000 |
| Ecolab | Ecolab | wage and hour violation | 2013 | private lawsuit-federal | $29,000,000 |
| Chemours | Chemours | PFAS violation | 2021 | private lawsuit-federal | $29,000,000 |
| Ecolab | Ecolab | wage and hour violation | 2009 | private lawsuit-state | $27,400,000 |
| Lonza AG | Lonza | price-fixing or anti-competitive practices | 2004 | private lawsuit-federal | $27,240,000 |
| DuPont de Nemours | DuPont de Nemours | PFAS violation | 2021 | private lawsuit-federal | $27,000,000 |
| Chemtura Corporation | Lanxess | environmental violation | 2010 | EPA | $26,000,000 |
| FMC Corporation | FMC Corp. | price-fixing or anti-competitive practices | 2006 | private lawsuit-federal | $25,700,000 |
| DuPont Dow Elastomers LLC | DuPont de Nemours | price-fixing or anti-competitive practices | 2005 | private lawsuit-federal | $25,400,000 |
| Chemours | Chemours | PFAS violation | 2021 | DE-AG | $25,000,000 |
| Eastman Chemical Company | Eastman Chemical | water pollution violation | 2018 | private lawsuit-federal | $25,000,000 |
