| P6Phillips 66 - Gulf Coast Lubricants Plant | Sulphur | LA | Petroleum and Coal Products Manufacturing324191 | 1-19 | ◐ LIKELY ACTIVE |
| CPCitgo Petroleum CORP - Lake Charles Manufacturing Complex | Sulphur | LA | Petroleum and Coal Products Manufacturing324110 | — | ◐ LIKELY ACTIVE |
| RCRain Cii Carbon LLC - Lake Charles Calcining Plant | Sulphur | LA | Petroleum and Coal Products Manufacturing324199 | — | ◐ LIKELY ACTIVE |
| WPWestlake Petrochemical LP | Sulphur | LA | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| WPWestlake Polymers Corp, Poly 1 & 2 | Sulphur | LA | Chemical Manufacturing325110 | — | ◐ LIKELY ACTIVE |
| BLBoardwalk La Midstream LLC - Sulphur Storage Terminal | Sulphur | LA | Machinery Manufacturing333132 | — | ◐ LIKELY ACTIVE |
| BIBrask, INC. | Sulphur | LA | Fabricated Metal Product Manufacturing332312 | 20-99 | ◐ LIKELY ACTIVE |
| CGCentury Group INC | Sulphur | LA | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| LCLake Charles Fractionator | Sulphur | LA | Transportation Equipment Manufacturing336611 | — | ◐ LIKELY ACTIVE |
| SSSentry Supply INC - Superior Supply & Steel | Sulphur | LA | Fabricated Metal Product Manufacturing332812 | — | ◐ LIKELY ACTIVE |
| DBDiamond B Compressor and Hydrauhlics | Sulphur | LA | Machinery Manufacturing333912 | 1-19 | ◐ LIKELY ACTIVE |
Greenberry Industrial - Gulf Coast | Sulphur | LA | Fabricated Metal Product Manufacturing332312 | 500+ | ◐ LIKELY ACTIVE |
| LCLake Charles | Sulphur | LA | Chemical Manufacturing325212 | 100-499 | ◐ LIKELY ACTIVE |
| NMNew Moon Vineyards and Winery LLC | Sulphur | OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| PCPetrochemical Complex | Sulphur | LA | Chemical Manufacturing325199 | 100-499 | ◐ LIKELY ACTIVE |
| PPolymers | Sulphur | LA | Chemical Manufacturing325211 | 100-499 | ◐ LIKELY ACTIVE |
| SLSulphur LA | Sulphur | LA | Fabricated Metal Product Manufacturing332618 | 1-19 | ◐ LIKELY ACTIVE |
| TRThe Rusty Nail Winery | Sulphur | OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| VTVSP Technologies Lake Charles, LA | Sulphur | LA | Miscellaneous Manufacturing339991 | 1-19 | ◐ LIKELY ACTIVE |
| WVWashita Valley Winery | Sulphur | OK | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WGWR Grace & Co. Inc | Sulphur | LA | Chemical Manufacturing325180 | 100-499 | ◐ LIKELY ACTIVE |
| YDYellowfin Distillery, LLC | Sulphur | LA | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |