| 3S3v Sigma USA INC. | Georgetown | SC | 100–499 | ● ACTIVE |
Ab Specialty Silicones, LLC | Waukegan | IL | 20–99 | ● ACTIVE |
| ATAcs Technical Products, INC. | Griffith | IN | 20–99 | ● ACTIVE |
| ACAfton Chemical Corporation | Sauget | IL | 100–499 | ● ACTIVE |
| AUAllnex USA INC | Belmont | WV | 20–99 | ● ACTIVE |
| ADAmerican Distillation INC | Leland | NC | 20–99 | ● ACTIVE |
| ALAmerican Laboratories, LLC | Omaha | NE | 1–19 | ● ACTIVE |
| APAmerican Polywater CORP | Stillwater | MN | 20–99 | ● ACTIVE |
| AUArclin USA LLC | Andalusia | AL | 20–99 | ● ACTIVE |
| AIArkema Inc/west Chester | West Chester | PA | 20–99 | ● ACTIVE |
| AIArrow-magnolia, International, INC. | Dallas | TX | 20–99 | ● ACTIVE |
| AIAurorium Indianapolis LLC | Indianapolis | IN | 1–19 | ● ACTIVE |
| AZAurorium Zeeland LLC (b2817) | Zeeland | MI | 20–99 | ● ACTIVE |
| BCBakelite Chemicals LLC - Crossett, Ar | Crossett | AR | 20–99 | ● ACTIVE |
| BCBasf CORP. - Wyandotte | Wyandotte | MI | 20–99 | ● ACTIVE |
| BDBioenergy Development Group LLC | Memphis | TN | 20–99 | ● ACTIVE |
Blue Grass Chemical Specialties, LLC | New Albany | IN | 20–99 | ● ACTIVE |
| BABorchers Americas | Franklin | PA | 20–99 | ● ACTIVE |
| CRCapital Resin CORP | Columbus | OH | 20–99 | ● ACTIVE |
Cayman Chemical CO INC | Ann Arbor | MI | 100–499 | ● ACTIVE |
| CACelanese Acetate LLC Plant | Narrows | VA | 500+ | ● ACTIVE |
| CPChemdesign Products INC | Marinette | WI | 100–499 | ● ACTIVE |
| CBChemicals Bay City Site | Bay City | TX | 20–99 | ● ACTIVE |
Chemical Solvents INC | Cleveland | OH | — | ● ACTIVE |
| CPChevron Phillips Chemical Orange Polyethylene Plant | Orange | TX | 100–499 | ● ACTIVE |
| CCCompass Chemical International LLC | Mableton | GA | 20–99 | ● ACTIVE |
| CLCovestro Llc, South Charleston | South Charleston | WV | 20–99 | ● ACTIVE |
| CPCustom Pultrusions INC | Baraboo | WI | 20–99 | ● ACTIVE |
| DCDegussa CORP. - Stockhausen Superabsorber | Greensboro | NC | 100–499 | ● ACTIVE |
Delta Foremost Chemical CORP. | Memphis | TN | 100–499 | ● ACTIVE |
Dixie Chemical Company, INC. | Pasadena | TX | 100–499 | ● ACTIVE |
| DCDover Chemical Corporation | Dover | OH | 100–499 | ● ACTIVE |
| DEDupont Electronic Materials International, LLC | Marlborough | MA | 100–499 | ● ACTIVE |
| DPDupont Pontchartrain Site | Laplace | LA | 100–499 | ● ACTIVE |
| DCDurez CORP | Niagara Falls | NY | 20–99 | ● ACTIVE |
| ESEastman Specialties CORP | Chestertown | MD | 20–99 | ● ACTIVE |
| ECEle Corporation | Mccook | IL | 20–99 | ● ACTIVE |
| ESElementis Specialties INC | Saint Louis | MO | 20–99 | ● ACTIVE |
Enchem America, INC | Commerce | GA | 20–99 | ● ACTIVE |
Equinox Chemicals, LLC | Albany | GA | — | ● ACTIVE |
Eurofins Genomics LLC | Louisville | KY | — | ● ACTIVE |
| ECEvonik Corporation | Blair | NE | 100–499 | ● ACTIVE |
| FIFirmenich Incorporated | Plainsboro | NJ | 500+ | ● ACTIVE |
| FAFort Amanda Specialties LLC | Lima | OH | 20–99 | ● ACTIVE |
| FIFortron Industries, LLC | Wilmington | NC | 20–99 | ● ACTIVE |
| FIFritz Industries | Mesquite | TX | 100–499 | ● ACTIVE |
Frontier Specialty Chemicals INC. | Logan | UT | 20–99 | ● ACTIVE |
| FUFutamura Usa, INC. | Tecumseh | KS | 100–499 | ● ACTIVE |
Gelest, INC | Morrisville | PA | — | ● ACTIVE |
| HBHero Bx Alabama | Moundville | AL | 1–19 | ● ACTIVE |
| HCHexcel Corporation | Decatur | AL | 100–499 | ● ACTIVE |
| INIneos Nitriles USA LLC | Lima | OH | 100–499 | ● ACTIVE |
| IPIneos Phenol | Theodore | AL | 100–499 | ● ACTIVE |
| IVIngevity Virginia Corporation - Carbon Plant | Wickliffe | KY | 100–499 | ● ACTIVE |
| IAInnospec Active Chemicals, LLC | High Point | NC | 20–99 | ● ACTIVE |
Integrated Dna Technologies, INC. | Coralville | IA | — | ● ACTIVE |
| IFIsp Freetown Fine Chemicals INC. | Assonet | MA | 20–99 | ● ACTIVE |
| ILIsp Lima LLC | Lima | OH | 20–99 | ● ACTIVE |
Jayhawk Fine Chemicals Corporation | Galena | KS | 100–499 | ● ACTIVE |
| KSKao Specialties Americas LLC | High Point | NC | 100–499 | ● ACTIVE |
Kayaku Advanced Materials INC | Westborough | MA | 100–499 | ● ACTIVE |
| KLKingchem Laboratories INC. | Saint Francis | WI | 20–99 | ● ACTIVE |
| KIKing Industries, INC. | Norwalk | CT | 100–499 | ● ACTIVE |
Lacamas Laboratories INC | Portland | OR | 20–99 | ● ACTIVE |
| LLLycus LTD. | El Dorado | AR | 20–99 | ● ACTIVE |
| LCLyondell Chemical - Bayport Plant | Pasadena | TX | 100–499 | ● ACTIVE |
Mannkind Corporation | Danbury | CT | 100–499 | ● ACTIVE |
| MCMilliken Chemical Allen Plant | Blacksburg | SC | 100–499 | ● ACTIVE |
Monument Chemical Houston LLC | Houston | TX | 100–499 | ● ACTIVE |
| MCMonument Chemical Kentucky LLC | Brandenburg | KY | 100–499 | ● ACTIVE |
Monument Chemical Port Arthur, LLC | Port Arthur | TX | 20–99 | ● ACTIVE |
Nation Ford Chemical CO | Fort Mill | SC | 20–99 | ● ACTIVE |
| NCNeville Chemical Company | Pittsburgh | PA | 100–499 | ● ACTIVE |
| NWNew World Medical Incorporated | Rancho Cucamonga | CA | 100–499 | ● ACTIVE |
| NSNouryon Surface Chemistry LLC | Morris | IL | 100–499 | ● ACTIVE |
Nyco America LLC | Newnan | GA | 20–99 | ● ACTIVE |
Optima Chemical Group LLC | Douglas | GA | 100–499 | ● ACTIVE |
Organic Standard Solutions International LLC | North Charleston | SC | 20–99 | ● ACTIVE |
| OOrtec:easley | Easley | SC | 100–499 | ● ACTIVE |
| PPPbi Performance Products INC | Rock Hill | SC | 20–99 | ● ACTIVE |
| POPmc Organometallix INC | Carrollton | KY | 100–499 | ● ACTIVE |
Polysciences INC | Warrington | PA | 100–499 | ● ACTIVE |
| PPrimester | Kingsport | TN | 20–99 | ● ACTIVE |
Reg Geismar, LLC | Geismar | LA | 100–499 | ● ACTIVE |
| RTRegis Technologies INC | Morton Grove | IL | 20–99 | ● ACTIVE |
| RSReg Seneca, LLC | Seneca | IL | 20–99 | ● ACTIVE |
Rochester Midland Corporation | Rochester | NY | — | ● ACTIVE |
| RARohm and Haas Chemicals Bayport | La Porte | TX | 100–499 | ● ACTIVE |
| SCSilbond CORP | Weston | MI | 20–99 | ● ACTIVE |
| SCStepan Chemical | Maywood | NJ | 20–99 | ● ACTIVE |
| SUSyensqo USA LLC. | Baltimore | MD | 20–99 | ● ACTIVE |
| SISymrise, INC. - Bushy Park | Goose Creek | SC | 100–499 | ● ACTIVE |
| SJSymrise Jacksonville Facility | Jacksonville | FL | 100–499 | ● ACTIVE |
Synquest Laboratories, INC. | Alachua | FL | 20–99 | ● ACTIVE |
| SUSynthomer USA LLC | Roebuck | SC | 20–99 | ● ACTIVE |
| TMTaft Manufacturing Company | Taft | CA | 1–19 | ● ACTIVE |
| TCTeijin Carbon America, INC. | Rockwood | TN | — | ● ACTIVE |
| TATeknor Apex Tennessee CO | Brownsville | TN | 500+ | ● ACTIVE |
| TCThe Chemours Company Fc, Llc, Belle | Belle | WV | 100–499 | ● ACTIVE |
| UIUnited Initiators, INC. | Helena | AR | 20–99 | ● ACTIVE |