| Company Name |
2021 Number of Tier 1 Events |
2021 Incident Severity Ranking 0-3 |
2021 Incident Severity Ranking 4-9 |
2021 Incident Severity Ranking 10-27 |
2021 Incident Severity Ranking 28+ |
|---|---|---|---|---|---|
| 3M | 6 | 5 | 1 | 0 | 0 |
| AC&S Incorporated | 0 | 0 | 0 | 0 | 0 |
| AdvanSix | 6 | 6 | 0 | 0 | 0 |
| Afton Chemical Corporation | 1 | 1 | 0 | 0 | 0 |
| Albaugh LLC | 0 | 0 | 0 | 0 | 0 |
| Albemarle Corporation | 6 | 6 | 0 | 0 | 0 |
| Allnex | 0 | 0 | 0 | 0 | 0 |
| American Air Liquide Holdings, Inc. | 0 | 0 | 0 | 0 | 0 |
| Americas Styrenics LLC | 0 | 0 | 0 | 0 | 0 |
| Anderson Development Company | 0 | 0 | 0 | 0 | 0 |
| Angus Chemical Company | 0 | 0 | 0 | 0 | 0 |
| Arkema, Inc. | 4 | 3 | 1 | 0 | 0 |
| Ascend Performance Materials, LLC | 3 | 3 | 0 | 0 | 0 |
| Ashland LLC | 9 | 9 | 0 | 0 | 0 |
| ASHTA Chemicals Inc. | 2 | 2 | 0 | 0 | 0 |
| Avient | 0 | 0 | 0 | 0 | 0 |
| Axalta Coating Systems LLC | 0 | 0 | 0 | 0 | 0 |
| BASF Corporation | 12 | 10 | 1 | 1 | 0 |
| BP Lubricants USA, Inc. | 0 | 0 | 0 | 0 | 0 |
| Braskem America, Inc. | 0 | 0 | 0 | 0 | 0 |
| Cabot Corporation | 3 | 3 | 0 | 0 | 0 |
| Carus LLC | 0 | 0 | 0 | 0 | 0 |
| Cedar Concepts Corporation | 0 | 0 | 0 | 0 | 0 |
| Celanese | 2 | 2 | 0 | 0 | 0 |
| CHEMTRADE | 9 | 9 | 0 | 0 | 0 |
| Chevron Oronite Company LLC | 0 | 0 | 0 | 0 | 0 |
| Chevron Phillips Chemical Company LLC | 3 | 2 | 0 | 1 | 0 |
| Clariant Corporation | 0 | 0 | 0 | 0 | 0 |
| Climax Molybdenum Company | 0 | 0 | 0 | 0 | 0 |
| Corteva Agriscience | 4 | 4 | 0 | 0 | 0 |
| Covestro LLC | 1 | 1 | 0 | 0 | 0 |
| CPS Performance Materials | 1 | 0 | 1 | 0 | 0 |
| Croda, Inc. | 0 | 0 | 0 | 0 | 0 |
| Daikin America, Inc. | 0 | 0 | 0 | 0 | 0 |
| Dakota Gasification Company | 2 | 2 | 0 | 0 | 0 |
| Dorf Ketal Chemicals, LLC | 0 | 0 | 0 | 0 | 0 |
| Dover Chemical Corporation | 3 | 3 | 0 | 0 | 0 |
| Dow | 5 | 4 | 1 | 0 | 0 |
| DuPont | 1 | 1 | 0 | 0 | 0 |
| Earth Science Laboratories, Inc. | 0 | 0 | 0 | 0 | 0 |
| Eastman Chemical Company | 19 | 14 | 4 | 1 | 0 |
| El Dorado Nitrogen L.L.C. | 0 | 0 | 0 | 0 | 0 |
| Elkem Silicones USA Corp. | 0 | 0 | 0 | 0 | 0 |
| ERCO Worldwide LP | 1 | 1 | 0 | 0 | 0 |
| Ethyl Corporation | 0 | 0 | 0 | 0 | 0 |
| Evonik Corporation | 10 | 10 | 0 | 0 | 0 |
| Evonik Oil Additives USA, Inc. | 0 | 0 | 0 | 0 | 0 |
| ExxonMobil Product Solutions Company | 2 | 0 | 1 | 1 | 0 |
| FMC Corporation | 0 | 0 | 0 | 0 | 0 |
| Foremark Performance Chemicals, Inc | 0 | 0 | 0 | 0 | 0 |
| FutureFuel Chemical Company, a Subsidiary of FutureFuel Corporation | 3 | 3 | 0 | 0 | 0 |
| Gantrade Corporation | 0 | 0 | 0 | 0 | 0 |
| H.B. Fuller Company | 3 | 3 | 0 | 0 | 0 |
| Haldor Topsoe, Inc. | 0 | 0 | 0 | 0 | 0 |
| Hallstar | 0 | 0 | 0 | 0 | 0 |
| Harborchem | 0 | 0 | 0 | 0 | 0 |
| Hemlock Semiconductor Operations LLC | 0 | 0 | 0 | 0 | 0 |
| Hexion Inc. | 1 | 1 | 0 | 0 | 0 |
| Honeywell | 4 | 4 | 0 | 0 | 0 |
| Huntsman Corporation | 0 | 0 | 0 | 0 | 0 |
| ICL North America | 0 | 0 | 0 | 0 | 0 |
| Indorama Ventures | 3 | 3 | 0 | 0 | 0 |
| Infineum USA L.P. | 3 | 3 | 0 | 0 | 0 |
| Ingevity Corporation | 2 | 2 | 0 | 0 | 0 |
| Inhance Technologies LLC | 0 | 0 | 0 | 0 | 0 |
| Innospec Specialty Chemicals | 0 | 0 | 0 | 0 | 0 |
| Jayhawk Fine Chemicals Corporation | 0 | 0 | 0 | 0 | 0 |
| JCI Jones Chemicals, Inc. | 0 | 0 | 0 | 0 | 0 |
| Johnson Matthey | 1 | 1 | 0 | 0 | 0 |
| Jones-Hamilton Co. | 0 | 0 | 0 | 0 | 0 |
| Kao Specialties Americas LLC | 1 | 1 | 0 | 0 | 0 |
| Koppers Inc. | 4 | 4 | 0 | 0 | 0 |
| Koura Global | 0 | 0 | 0 | 0 | 0 |
| Kraton Corporation | 1 | 1 | 0 | 0 | 0 |
| Kuehne Chemical Company, Inc. | 0 | 0 | 0 | 0 | 0 |
| Kuraray America Inc. | 1 | 0 | 0 | 1 | 0 |
| LANXESS Corporation | 7 | 5 | 2 | 0 | 0 |
| Linde PLC (formerly Praxair) | 5 | 4 | 1 | 0 | 0 |
| LyondellBasell | 4 | 3 | 0 | 1 | 0 |
| MEGlobal Americas Inc. | 0 | 0 | 0 | 0 | 0 |
| Merck & Co., Inc. | 0 | 0 | 0 | 0 | 0 |
| Merichem Company | 0 | 0 | 0 | 0 | 0 |
| Messer North America, Inc. | 0 | 0 | 0 | 0 | 0 |
| Methanex Corporation | 0 | 0 | 0 | 0 | 0 |
| Milliken Chemical, A Division of Milliken & Co. | 1 | 1 | 0 | 0 | 0 |
| Mitsubishi Chemical America, Inc. | 0 | 0 | 0 | 0 | 0 |
| Mitsui & Co. (USA), Inc. | 0 | 0 | 0 | 0 | 0 |
| Miwon, N.A. | 0 | 0 | 0 | 0 | 0 |
| Momentive Performance Materials | 0 | 0 | 0 | 0 | 0 |
| MonoSol, LLC | 0 | 0 | 0 | 0 | 0 |
| Nalco (an Ecolab Company) | 0 | 0 | 0 | 0 | 0 |
| Niacet Corporation | 0 | 0 | 0 | 0 | 0 |
| Nisus Corporation | 0 | 0 | 0 | 0 | 0 |
| Nouryon | 1 | 1 | 0 | 0 | 0 |
| NOVA Chemicals Corporation | 0 | 0 | 0 | 0 | 0 |
| Nova Molecular Technologies, Inc. | 0 | 0 | 0 | 0 | 0 |
| Occidental Chemical Corporation | 1 | 1 | 0 | 0 | 0 |
| ORG CHEM Group, LLC | 1 | 1 | 0 | 0 | 0 |
| Oxiteno USA | 0 | 0 | 0 | 0 | 0 |
| Pacific Industrial Development Corporation (PIDC) | 0 | 0 | 0 | 0 | 0 |
| Perstorp Polyols, Inc. | 0 | 0 | 0 | 0 | 0 |
| Peter Cremer North America, LP | 0 | 0 | 0 | 0 | 0 |
| Pilot Chemical Company | 0 | 0 | 0 | 0 | 0 |
| PMC Group N.A., Inc. | 0 | 0 | 0 | 0 | 0 |
| PPG Industries, Inc. | 1 | 1 | 0 | 0 | 0 |
| PQ Corporation | 0 | 0 | 0 | 0 | 0 |
| Procter & Gamble, Chemicals Division | 0 | 0 | 0 | 0 | 0 |
| Pure Salt, LLC | 0 | 0 | 0 | 0 | 0 |
| PVS Chemicals, Inc. | 0 | 0 | 0 | 0 | 0 |
| Quaker Houghton | 2 | 2 | 0 | 0 | 0 |
| R.T. Vanderbilt Holding Company, Inc. | 0 | 0 | 0 | 0 | 0 |
| Roehm America LLC | 0 | 0 | 0 | 0 | 0 |
| SABIC | 3 | 3 | 0 | 0 | 0 |
| SACHEM, Inc. | 0 | 0 | 0 | 0 | 0 |
| Sasol (USA) Corporation | 5 | 4 | 0 | 1 | 0 |
| Searles Valley Minerals | 0 | 0 | 0 | 0 | 0 |
| Shell Chemical LP | 2 | 1 | 1 | 0 | 0 |
| SI Group | 1 | 1 | 0 | 0 | 0 |
| SNF Holding Company | 7 | 5 | 2 | 0 | 0 |
| Solenis | 0 | 0 | 0 | 0 | 0 |
| Solvay America, Inc. | 8 | 8 | 0 | 0 | 0 |
| Stepan Company | 0 | 0 | 0 | 0 | 0 |
| Sumitomo Chemical America, Inc. | 0 | 0 | 0 | 0 | 0 |
| Synthomer Plc. | 0 | 0 | 0 | 0 | 0 |
| Texas Brine Company, LLC | 0 | 0 | 0 | 0 | 0 |
| The Chemours Company LLC | 0 | 0 | 0 | 0 | 0 |
| The Lubrizol Corporation | 3 | 3 | 0 | 0 | 0 |
| The Shepherd Chemical Company | 0 | 0 | 0 | 0 | 0 |
| TotalEnergies Petrochemicals & Refining USA, Inc. | 1 | 0 | 1 | 0 | 0 |
| TPC Group Inc. | 3 | 2 | 1 | 0 | 0 |
| Trinity Manufacturing, Inc. | 0 | 0 | 0 | 0 | 0 |
| Trinseo | 0 | 0 | 0 | 0 | 0 |
| United Initiators, Inc. | 0 | 0 | 0 | 0 | 0 |
| VanDeMark Chemical Inc. | 0 | 0 | 0 | 0 | 0 |
| Velsicol Chemical LLC | 0 | 0 | 0 | 0 | 0 |
| Veolia Regeneration Services | 0 | 0 | 0 | 0 | 0 |
| Vertellus Holdings LLC | 5 | 4 | 1 | 0 | 0 |
| W.R. Grace & Co | 3 | 2 | 1 | 0 | 0 |
| Wacker Chemical Corporation | 0 | 0 | 0 | 0 | 0 |
| Wanhua Chemical (America) Co. Ltd. | 0 | 0 | 0 | 0 | 0 |