| Eastman Chemical Company | Eastman Chemical | water pollution violation | 2018 | private lawsuit-federal | $25,000,000 |
| Monsanto Company | Bayer | PCB violation | 2022 | NH-AG | $25,000,000 |
| Monsanto Co. and Solutia Inc. and Pharmacia, LLC | Bayer | PCB violation | 2022 | NH-AG | $25,000,000 |
| Asahi Kaisei Corporation | Asahi Kasei | price-fixing or anti-competitive practices | 2005 | private lawsuit-federal | $25,000,000 |
| DSM Elastomers Europe B.V. | Lanxess | price-fixing or anti-competitive practices | 2010 | private lawsuit-federal | $25,000,000 |
| PPG Industries, Inc. | PPG Industries | price-fixing or anti-competitive practices | 2007 | private lawsuit-federal | $23,000,000 |
| BASF AG | BASF | price-fixing or anti-competitive practices | 2000 | private lawsuit-federal | $22,000,000 |
| Eastman Chemical Company | Eastman Chemical | price-fixing or anti-competitive practices | 2000 | private lawsuit-federal | $22,000,000 |
| Monsanto Company | Bayer | consumer protection violation | 2018 | private lawsuit-federal | $21,500,000 |
| Chemtura Corporation | Lanxess | price-fixing or anti-competitive practices | 2007 | private lawsuit-federal | $21,000,000 |
| Degussa GmbH | Evonik Industries | price-fixing or anti-competitive practices | 2007 | private lawsuit-federal | $21,000,000 |
| BASF Corporation | BASF | price-fixing or anti-competitive practices | 2000 | CA-AG | $20,752,750 |
| Continental Carbon Inc. | International CSRC Investment Holdings | environmental violation | 2008 | private lawsuit-federal | $20,709,000 |
| Bayer Corporation | Bayer | drug or medical equipment safety violation | 2009 | MULTI-AG | $20,000,000 |
| Ciba-Geigy | BASF | air pollution violation | 2011 | private lawsuit-state | $20,000,000 |
| Lucite International, Inc. | Midorikawa Chemical Industry Co. | air pollution violation | 2005 | EPA | $19,100,000 |
| Hercules Inc. | Ashland Inc. | benefit plan administrator violation | 2007 | private lawsuit-federal | $18,037,500 |
| Rhodia Inc. | Solvay | environmental violation | 2004 | EPA | $18,000,000 |
| Terra Industries Inc. | CF Industries | air pollution violation | 2011 | EPA | $17,625,000 |
| Bayer Corporation | Bayer | drug or medical equipment safety violation | 2019 | KY-AG | $17,000,000 |
| Tronox Worldwide LLC | Tronox | environmental violation | 2007 | private lawsuit-federal | $17,000,000 |
| DuPont | Chemours | PFAS violation | 2005 | EPA | $16,500,000 |
| Mitsubishi Rayon Co. Ltd. | Mitsubishi Chemical | price-fixing or anti-competitive practices | 2005 | private lawsuit-federal | $16,500,000 |
| Daicel Chemical Industries Ltd. | Daicel | price-fixing or anti-competitive practices | 2000 | private lawsuit-federal | $16,000,000 |
| Sociedad Quimica y Minera de Chile | Sociedad Quimica y Minera de Chile S.A.-SQM | Foreign Corrupt Practices Act | 2017 | DOJ_CRIMINAL | $15,487,500 |
| Toray Industries Inc. | Toray Industries | False Claims Act and related | 2008 | DOJ_ANTITRUST | $15,250,000 |
| Sociedad Quimica y Minera de Chile S.A. | Sociedad Quimica y Minera de Chile S.A.-SQM | Foreign Corrupt Practices Act | 2017 | SEC | $15,000,000 |
| Bayer Corp. | Bayer | drug or medical equipment safety violation | 2013 | private lawsuit-federal | $15,000,000 |
| Chemtura Corporation | Lanxess | price-fixing or anti-competitive practices | 2008 | private lawsuit-federal | $15,000,000 |
| Innospec Inc. | Innospec | Foreign Corrupt Practices Act | 2010 | DOJ_CRIMINAL | $14,100,000 |
| Bayer Corporation | Bayer | False Claims Act and related | 2001 | DOJ_CIVIL | $14,000,000 |
| Chemtrade | Chemtrade Logistics | price-fixing or anti-competitive practices | 2019 | private lawsuit-federal | $14,000,000 |
| Hitachi Chemical Co. Ltd. | Showa Denko | price-fixing or anti-competitive practices | 2019 | private lawsuit-federal | $14,000,000 |
| Ashland Inc. | Ashland Inc. | environmental violation | 2002 | EPA | $13,050,000 |
| Degussa-Huls AG | Evonik Industries | price-fixing or anti-competitive practices | 2000 | DOJ_ANTITRUST | $13,000,000 |
| Formosa Plastics Corp. | Formosa Plastics | air pollution violation | 2009 | EPA | $12,800,000 |
| Chemtrade Logistics, Chemtrade Refinery Services and Marsulex | Chemtrade Logistics | air pollution violation | 2009 | EPA | $12,700,000 |
| TPC Group LLC | TPC Group | air pollution violation | 2024 | TX-AG | $12,600,000 |
| DuPont de Nemours, Inc. | DuPont de Nemours | PFAS violation | 2021 | DE-AG | $12,500,000 |
| Bostik Inc. | Arkema | environmental violation | 2011 | PA-ENV | $12,100,000 |
| Shintech, Inc. | Shin-Etsu Chemical | environmental violation | 2008 | EPA | $12,085,000 |
| Scotts Miracle-Gro Company | Scotts Miracle-Gro | pesticide violation | 2012 | EPA | $12,000,000 |
| Monsanto Company | Bayer | environmental violation | 2021 | USAO | $12,000,000 |
| BASF AG | BASF | price-fixing or anti-competitive practices | 2004 | private lawsuit-federal | $12,000,000 |
| Hercules Inc. | Ashland Inc. | price-fixing or anti-competitive practices | 2005 | private lawsuit-federal | $11,250,000 |
| Innospec Inc. | Innospec | Foreign Corrupt Practices Act | 2010 | SEC | $11,200,000 |
| Trelleborg AB | Trelleborg | price-fixing or anti-competitive practices | 2009 | DOJ_ANTITRUST | $11,000,000 |
| Toray Industries Inc. | Toray Industries | price-fixing or anti-competitive practices | 2005 | private lawsuit-federal | $11,000,000 |
| Aventis CropScience | Bayer | consumer protection violation | 2001 | IA-AG | $10,596,097 |
| Zeon Chemicals L.P. | Zeon Corporation | price-fixing or anti-competitive practices | 2005 | DOJ_ANTITRUST | $10,500,000 |
| DuPont Co. | DuPont de Nemours | lead violation | 2005 | RI-AG | $10,000,000 |
| Monsanto Company | Bayer | pesticide violation | 2019 | USAO | $10,000,000 |
| KMCO, LLC | ALTIVIA | environmental violation | 2020 | TX-ENV | $10,000,000 |
| Agrium Inc. | Nutrien Ltd. | price-fixing or anti-competitive practices | 2013 | private lawsuit-federal | $10,000,000 |
| Cabot Corporation | Cabot Corp. | price-fixing or anti-competitive practices | 2007 | private lawsuit-federal | $10,000,000 |
| FMC Corporation | FMC Corp. | price-fixing or anti-competitive practices | 2009 | private lawsuit-federal | $10,000,000 |
| Bayer Corporation | Bayer | price-fixing or anti-competitive practices | 2011 | private lawsuit-federal | $9,615,384 |
| Huntsman Petrochemical Corp. | Huntsman Corp. | air pollution violation | 2003 | TX-AG | $9,375,000 |
| Rust-Oleum Corp. | RPM International | product safety violation | 2017 | private lawsuit-federal | $9,300,000 |
| Degussa AG | Evonik Industries | price-fixing or anti-competitive practices | 2004 | private lawsuit-federal | $8,560,000 |
| Elf Atochem S.A. | Arkema | price-fixing or anti-competitive practices | 2002 | DOJ_ANTITRUST | $8,500,000 |
| BAYER CROPSCIENCE | Bayer | environmental violation | 2018 | EPA | $8,223,458 |
| CHEMTURA CORPORATION | Lanxess | environmental violation | 2010 | EPA | $8,137,500 |
| The Scotts Miracle Gro Company | Scotts Miracle-Gro | environmental violation | 2012 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $8,023,350 |
| Bayer Corporation | Bayer | drug or medical equipment safety violation | 2007 | MULTI-AG | $8,000,000 |
| Huntsman Petrochemical Corporation | Huntsman Corp. | environmental violation | 2003 | TX-ENV | $7,875,000 |
| Zoltek Companies, Inc. | Toray Industries | economic sanction violation | 2018 | OFAC | $7,772,102 |
| Equistar Chemicals | LyondellBasell Industries | environmental violation | 2008 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $7,595,800 |
| Ecolab | Ecolab | wage and hour violation | 2016 | private lawsuit-federal | $7,500,000 |
| Shintech, Inc. | Shin-Etsu Chemical | environmental violation | 2009 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $7,285,004 |
| Sasol North America | Sasol | environmental violation | 2010 | EPA | $7,250,000 |
| Lucite International Inc. | Midorikawa Chemical Industry Co. | price-fixing or anti-competitive practices | 2009 | private lawsuit-federal | $7,050,000 |
| DuPont de Nemours | DuPont de Nemours | benefit plan administrator violation | 2023 | private lawsuit-federal | $7,000,000 |
| Cytec Engineered Materials Inc. | Solvay | price-fixing or anti-competitive practices | 2005 | private lawsuit-federal | $7,000,000 |
| Evonik Degussa GmbH | Evonik Industries | price-fixing or anti-competitive practices | 2009 | private lawsuit-federal | $7,000,000 |
| Bayer CropScience LP and Monsanto Company | Bayer | consumer protection violation | 2023 | NY-AG | $6,900,000 |
| Lyondell Chemical Company | LyondellBasell Industries | environmental violation | 2008 | TX-AG | $6,500,000 |
| Huntsman International LLC | Huntsman Corp. | price-fixing or anti-competitive practices | 2013 | private lawsuit-federal | $6,500,000 |
| PPG Industries Inc. | PPG Industries | consumer protection violation | 2017 | private lawsuit-federal | $6,500,000 |
| Bayer Corporation | Bayer | False Claims Act and related | 2001 | 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. $6,200,000 |
| Ecolab | Ecolab | wage and hour violation | 2010 | private lawsuit-federal | $6,000,000 |
| Ecolab | Ecolab | wage and hour violation | 2017 | private lawsuit-federal | $5,950,000 |
| Kaneka Texas Corporation | Kaneka | price-fixing or anti-competitive practices | 2007 | private lawsuit-federal | $5,900,000 |
| Bayer CropScience LP | Bayer | environmental violation | 2016 | EPA | $5,654,000 |
| Wilbur-Ellis Company | Wilbur-Ellis | food safety violation | 2018 | USAO | $5,515,124 |
| INEOS ABS USA Corp. | Ineos | environmental violation | 2009 | EPA | $5,100,000 |
| PPG Industries | PPG Industries | wage and hour violation | 2016 | private lawsuit-federal | $5,000,000 |
| PPG Industries Inc. | PPG Industries | environmental violation | 2021 | private lawsuit-federal | $5,000,000 |
| BASF AG | BASF | price-fixing or anti-competitive practices | 2000 | private lawsuit-federal | $5,000,000 |
| Crompton Corporation | Lanxess | price-fixing or anti-competitive practices | 2005 | private lawsuit-federal | $5,000,000 |
| Kemira Oyj | Kemira | price-fixing or anti-competitive practices | 2008 | private lawsuit-federal | $5,000,000 |
| Kreha Corporation of America | Kureha | price-fixing or anti-competitive practices | 2006 | private lawsuit-federal | $5,000,000 |
| Mitsubishi Rayon America Inc. | Mitsubishi Chemical | price-fixing or anti-competitive practices | 2008 | private lawsuit-federal | $5,000,000 |
| Nan Ya Plastics Corporation | Nan Ya Plastics | price-fixing or anti-competitive practices | 2005 | private lawsuit-federal | $5,000,000 |
| DOW CORNING CORP | Dow Inc. | environmental violation | 2020 | EPA | $4,875,335 |
| Bayer AG | Bayer | price-fixing or anti-competitive practices | 2004 | DOJ_ANTITRUST | $4,700,000 |
| Dow Silicones Corporation | Dow Inc. | environmental violation | 2019 | EPA | $4,550,000 |
| Formosa Plastics Corp. | Formosa Plastics | environmental violation | 2002 | LA-ENV | $4,350,000 |
| TRONOX PIGMENTS (SAVANNAH), INC. | Tronox | environmental violation | 2011 | EPA | $4,200,000 |
| IMC PHOSPHATE CO. (NEW WALES FACILITY) | Mosaic Co. | environmental violation | 2016 | EPA | $4,100,000 |
| Lyondell Chemical | LyondellBasell Industries | MTBE violation | 2002 | private lawsuit-state | $4,000,000 |
