| VCVicksburg Chemical CO | Vicksburg | MS | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| FPFoam Packaging INC | Vicksburg | MS | Chemical Manufacturing325211 | 100-499 | ◇ UNVERIFIED |
| HPHunt Process Corporation Southern | Ridgeland | MS | Chemical Manufacturing325510 | 1-19 | ◇ UNVERIFIED |
| AUAirgas USA LLC Dba Airgas Dry Ice | Jackson | MS | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| ACAkzonobel Coatinging INC. | Clinton | MS | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BIBaymont INC | Golden | MS | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| BFBluefire Fulton Renewable Energy LLC | Fulton | MS | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| EAEthos Alternative Energy-mississippi, Ll | Meridian | MS | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| ETExide Technologies, Florence Oxide Plant | Florence | MS | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| FSFive Star Products INC | Ripley | MS | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| GTG2o Technologies LLC | Monticello | MS | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| GFGavilon Fertilizer Llc, Vicksburg Facility | Vicksburg | MS | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| GRGeorgia-pacific Resins, INC. | Louisville | MS | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| HIHercules INC | Hattiesburg | MS | Chemical Manufacturing325191 | — | ◇ UNVERIFIED |
| KIKior INC | Columbus | MS | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| MSMactor Site | Greenville | MS | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| MTMatheson Tri Gas INC | Madison | MS | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| MEMississippi Ethanol LLC | Winona | MS | Chemical Manufacturing325191 | — | ◇ UNVERIFIED |
| MPMississippi Phosphates CORP. | Pascagoula | MS | Chemical Manufacturing325312 | — | ◇ UNVERIFIED |
| NSNeel Schaffer Inc, Jitney Jr Number 617 | Tchula | MS | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| PSPharmedium Services LLC | Cleveland | MS | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
| PEPursue Energy Corporation - Thomasville Plant | Brandon | MS | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| RMRb Manufacturing LLC | Brandon | MS | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| REReichhold Environmental Response Trust | Gulfport | MS | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| RKR K Metals LLC | Tupelo | MS | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| SMSchaffner Manufacturing Company INC | Jackson | MS | Chemical Manufacturing325612 | — | ◇ UNVERIFIED |
| SMSpecialty Minerals Inc, Owner, and Specialty Minerals Mississippi Inc, Operator | Brookhaven | MS | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SCSunbelt Chemicals INC | Gulfport | MS | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| SMSuperior Manufacturing Group | Moselle | MS | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| TSThe Scotts CO | Pearl | MS | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| UGUnited Gilsonite Laboratories | Jackson | MS | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| VRValspar Refinish | Picayune | MS | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| VCVicksburg Chemical CO | Vicksburg | MS | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| YEYoung E.f. Jr. Manufacturing CO. | Meridian | MS | Chemical Manufacturing325620 | — | ◇ UNVERIFIED |
| OIOdom Industries, Inc. | Waynesboro | MS | Chemical Manufacturing325320 | 100-499 | ◇ UNVERIFIED |
| TITaylor Industries LLC | Madison | MS | Chemical Manufacturing325612 | 1-19 | ◇ UNVERIFIED |
| TITrace Industries, INC. | Houston | MS | Chemical Manufacturing325220 | 20-99 | ◇ UNVERIFIED |
| WCWorld Class Athletics Surfaces | Leland | MS | Chemical Manufacturing325510 | 1-19 | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc, Brookhaven Co2 Facilitys INC | Brookhaven | MS | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| ALA L and S LLC | Dekalb | MS | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| AGAllied Group, INC. | Water Valley | MS | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| BLB. L. Mitchell, INC. | Leland | MS | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| CBC B L Architectural Fiberglass | Hernando | MS | Chemical Manufacturing325222 | — | ◇ UNVERIFIED |
| CCChannel Chemical Corporation | Gulfport | MS | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| CVChemours Vcp Pascagoula | Pascagoula | MS | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| CLChemtrade Logistics, INC. | Picayune | MS | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| DNDouble N Designs and Powdercoating LLC | Natchez | MS | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| DCDrexel Chemical CO | Tunica | MS | Chemical Manufacturing325320 | — | ◇ UNVERIFIED |
| ECExell Company | Jackson | MS | Chemical Manufacturing325998 | — | ◇ UNVERIFIED |
| FPFortus Pharma LLC | Southaven | MS | Chemical Manufacturing325412 | — | ◇ UNVERIFIED |
