| RLRheTech, LLC - Fowlerville | Fowlerville | MI | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| RIRoechling Industrial Mt. Pleasant | Mt. Pleasant | PA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| RIRoechling Industrial Mt. Pleasant | Mount Pleasant | PA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| RCRotuba Costum Compounds | Linden | NJ | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SBSABIC Bay St. Louis Facility | Bay St. Louis | MS | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SBSABIC Bay St. Louis Facility | Bay Saint Louis | MS | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SPSaint-Gobain Performance Plastics Corp. | Williamsburg | MI | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SSSamuel Son & Co USA INC | Cartersville | GA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SASealed Air Medical | Duncan | SC | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SSSekisui Specialty Chemicals America, LLC. | Dallas | TX | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SSSekisui Specialty Chemicals America,LLC. | Pasadena | TX | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SSSekisui Specialty Chemicals, LLC | Calvert City | KY | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SAShintech Addis Plant | Addis | LA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SPSilgan Plastics | Monroe | GA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SRSouthern Region Alexandria | Alexandria | LA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SRSouthern Region Diboll | Diboll | TX | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SRSouthern Region Fayetteville | Fayetteville | NC | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SMSpecialty Materials | River Falls | WI | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SESpillTech Environmental of Milledgeville | Milledgeville | GA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SESpillTech Environmental of Mobile | Mobile | AL | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SRStaunton River Plastics LLC | Hurt | VA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SPSumika Polymers North America | Griffin | GA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| SSSyensqo Specialty Polymers, USA, LLC | Borger | TX | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| TNTeMa North America LLC | Kearneysville | WV | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| TDThe Dow Chemical Company Hayward Site | Hayward | CA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| TDThe Dow Chemical Company-Kankakee, IL | Kankakee | IL | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| TRThe Rogers Manufacturing Company | Rockfall | CT | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| TPT&H Plastics, Inc. | Houston | TX | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
Universal Plastics Albany | Howes Cave | NY | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| UIUSA IL Marengo Plant | Marengo | IL | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| UMUSA MD Hagerstown Plant | Williamsport | MD | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| UAU.S. Amines (Bucks) LLC | Bucks | AL | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| UOUSA OR Woodburn Plant | Woodburn | OR | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| USUSA SC Chester Plant | Chester | SC | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| UCUS CA Los Angeles Plant | Los Angeles | CA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| VPValley Park Facility | Valley Park | MO | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| WWallingford | Wallingford | CT | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| WWWashington Works | Washington | WV | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| WEWestlake Epoxy Bedford Park (Argo) Illinois | Bedford Park | IL | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| WSWinona Site Ticona Polymers Inc. | Winona | MN | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| XHXerxes Hagerstown | Williamsport | MA | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |
| XHXerxes Hagerstown | Williamsport | MD | Chemical Manufacturing325211 | 20-99 | ◐ LIKELY ACTIVE |