| APAir Products, Baytown Iii | Baytown | TX | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| DEDegussa Engineered Carbons LP | Baytown | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| MSMomentive Specialty Chemicals Inc.- Baytown Tx | Baytown | TX | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| BGBoc Gases Baytown Co2 Plant | Baytown | TX | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| FIFlomin INC | Baytown | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| NGNatural Gas Odorizing, INC. | Baytown | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| BPBayer Polymers, LLC | Baytown | TX | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| BCBechtel Corporation - Nagor | Baytown | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| CBCedar Bayou Hydrogen Facility | Baytown | TX | Chemical Manufacturing325120 | — | ◇ UNVERIFIED |
| CBCedar Bayou Plant | Baytown | TX | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| EPEnterprise Products Hatcherville Laboratory | Baytown | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| EPEnterprise Products - Hatcherville Road Complex | Baytown | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| FCFirst Chemical Texas LP | Baytown | TX | Chemical Manufacturing325192 | — | ◇ UNVERIFIED |
| HBHexion Baytown | Baytown | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| LCLanxess CORP Baytown | Baytown | TX | Chemical Manufacturing325110 | — | ◇ UNVERIFIED |
| MCM Chemical Manufacturing | Baytown | TX | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| NANitric Acid Mfg Facility | Baytown | TX | Chemical Manufacturing325311 | — | ◇ UNVERIFIED |
