| MLMesser LLC | Torrance | CA | — | ◇ UNVERIFIED |
| MLMesser LLC | Pekin | IL | — | ◇ UNVERIFIED |
Mexichem Fluor INC. | Saint Gabriel | LA | — | ◇ UNVERIFIED |
| MEMorrisville Esg - Electronics Facility | Morrisville | PA | — | ◇ UNVERIFIED |
| NGNexair Gas Cylinder Production Plant | Memphis | TN | — | ◇ UNVERIFIED |
| NONitrous Oxide CORP | Yazoo City | MS | — | ◇ UNVERIFIED |
| PDPraxair Distribution, INC. | Bethlehem | PA | — | ◇ UNVERIFIED |
| PDPraxair Distr Inc/ Morrisville | Morrisville | PA | — | ◇ UNVERIFIED |
| PIPraxair INC | Carson | CA | — | ◇ UNVERIFIED |
| PIPraxair INC Ferndale Co2 Plant | Ferndale | WA | — | ◇ UNVERIFIED |
| PSPraxair, St. Charles Facility | Norco | LA | — | ◇ UNVERIFIED |
| RVRiver Valley | Panama | OK | — | ◇ UNVERIFIED |
| SAScott and Fetzer CO | Bowling Green | OH | — | ◇ UNVERIFIED |
| SCSolvay Chemicals INC | Longview | WA | — | ◇ UNVERIFIED |
| SGSpecialty Gas Mfg Plt | Catoosa | OK | — | ◇ UNVERIFIED |
| SISunox INC | Rock Hill | SC | — | ◇ UNVERIFIED |
| TCTexas City Hydrogen Complex | Texas City | TX | — | ◇ UNVERIFIED |
| TGTippett Gas Plant | Mc Camey | TX | — | ◇ UNVERIFIED |
| UCUnion Carbide Coatings Service Center | Indianapolis | IN | — | ◇ UNVERIFIED |
| UCUnion Carbide Corporation, Institute Plant | Institute | WV | — | ◇ UNVERIFIED |
| VAVoltaix - Air Liquide Electronics | High Springs | FL | — | ◇ UNVERIFIED |
| WIWelsco, INC. | North Little Rock | AR | — | ◇ UNVERIFIED |
| WHWesco Hmb, INC. | Metuchen | NJ | — | ◇ UNVERIFIED |
Western International Gas - Birmingham | Birmingham | AL | — | ◇ UNVERIFIED |
Western International Gas & Cylinders, INC. | Berwick | PA | — | ◇ UNVERIFIED |
| YFYara Freeport LLC | Clute | TX | — | ◇ UNVERIFIED |
| 6H600 Helget Gas - Chicago | Bensenville | IL | 20–99 | ◐ LIKELY ACTIVE |
| 8S808 Solutions INC | San Diego | CA | — | ◐ LIKELY ACTIVE |
| 8C872 Camden | Lugoff | SC | 20–99 | ◐ LIKELY ACTIVE |
| AAdel | Adel | GA | 20–99 | ◐ LIKELY ACTIVE |
| AUA-Gas US Inc - Bowling Green Facility | Bowling Green | OH | 20–99 | ◐ LIKELY ACTIVE |
| AUA-Gas US Inc - Rhome Facility | Rhome | OH | 100–499 | ◐ LIKELY ACTIVE |
| AAiken | Aiken | SC | 20–99 | ◐ LIKELY ACTIVE |
| ANAirgas Nitrous Oxide - Yazoo City | Yazoo City | MS | 20–99 | ◐ LIKELY ACTIVE |
| ALAir Liquide | Hahnville | LA | 1–19 | ◐ LIKELY ACTIVE |
| ALAir Liquide Advanced Materials - Branchburg | Branchburg | NJ | 20–99 | ◐ LIKELY ACTIVE |
| ALAir Liquide Advanced Materials - High Springs | High Springs | FL | 20–99 | ◐ LIKELY ACTIVE |
| ALAir Liquide Advanced Materials - Mount Bethel Facility | Mount Bethel | PA | 100–499 | ◐ LIKELY ACTIVE |
| ALAir Liquide Electronics Morrisville | Morrisville | PA | 100–499 | ◐ LIKELY ACTIVE |
| ALAir Liquide Electronics TI Blvd Gas Plant | Dallas | TX | 20–99 | ◐ LIKELY ACTIVE |
| ALAir Liquide Large Industries - Bayport Complex | Pasadena | TX | 20–99 | ◐ LIKELY ACTIVE |
| ALAir Liquide Large Industries Geismar ASU/Cogen | Geismar | LA | 20–99 | ◐ LIKELY ACTIVE |
| APAir Product and Chemicals Inc.- Conyers Facility | Conyers | GA | 20–99 | ◐ LIKELY ACTIVE |
| APAir Product and Chemicals Inc.- Creighton Facility | Creighton | PA | 20–99 | ◐ LIKELY ACTIVE |
| APAir Product and Chemicals Inc.- Decatur Facility | Decatur | AL | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Glenmont Facility | Glenmont | NY | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals, INC | Allentown | PA | — | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc APEX Division | Allentown | PA | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Baytown 2 Facility | Baytown | TX | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Bethlehem Terminal | Bethlehem | PA | 20–99 | ◐ LIKELY ACTIVE |