| APAir Products and Chemicals INC | Decatur | AL | — | ◇ UNVERIFIED |
| APAir Products and Chemicals INC | Chandler | AZ | — | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc.- Chandler Facility | Chandler | AZ | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals, INC. | Carson | CA | — | ◇ UNVERIFIED |
| APAir Products and Chemicals, INC. | Diamond Bar | CA | — | ◇ UNVERIFIED |
| APAir Products and Chemicals, INC. | El Segundo | CA | — | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc.- Galt Facility | Galt | CA | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals, INC. | Imperial | CA | — | ◇ UNVERIFIED |
| APAir Products and Chemicals INC ~ San Diego. | San Diego | CA | — | ◇ UNVERIFIED |
| APAir Products and Chemicals INC. ~ On-road | San Jose | CA | — | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc. Santa Clara ASU | Santa Clara | CA | 20–99 | ◐ LIKELY ACTIVE |
| APAir products and Chemicals Inc, Santa Fe Springs Terminal | Santa Fe Springs | CA | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Torrance | Torrance | CA | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals, INC. | Wilmington | CA | — | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc.- Orlando Facility | Orlando | FL | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals INC - Co2 Recovery Plant | Council Bluffs | IA | — | ◇ UNVERIFIED |
| APAir Products and Chemicals, INC. Co2 Recovery Plant | Nevada | IA | — | ◇ UNVERIFIED |
| APAir Products and Chemicals, INC. - Joliet, Il H2 Plant | Channahon | IL | — | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc.- Granite City Terminal | Granite City | IL | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals INC | Lasalle | IL | — | ◇ UNVERIFIED |
| APAir Products and Chemicals INC | Morris | IL | — | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc.- Butler Facility | Butler | IN | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Liberal Gardner Facility | Liberal | KS | 1–19 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals INC | Calvert City | KY | — | ◇ UNVERIFIED |
| APAir Products and Chemicals, INC. - Br Smr | Baton Rouge, La | LA | — | ◇ UNVERIFIED |
| APAir Products and Chemicals INC - Geismar 3 Hyco Smr Plant | Geismar | LA | — | ◇ UNVERIFIED |
| APAir Products and Chemicals INC. Luling Smr Facility | Luling | LA | — | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc.- New Orleans Terminal | New Orleans | LA | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals INC | Marlborough | MA | — | ◇ UNVERIFIED |
| APAir Products and Chemicals, INC. (p1533) | Detroit | MI | — | ◇ UNVERIFIED |
| APAir Products and Chemicals, INC. | Cloquet | MN | — | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc.- St. Louis Facility | Saint Louis | MO | 100–499 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc, Brookhaven Co2 Facilitys INC | Brookhaven | MS | — | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc.- Reidsville Facility | Reidsville | NC | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Glenmont Facility | Glenmont | NY | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Cleveland Facility | Cleveland | OH | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Middletown Facility | Middletown | OH | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Pryor Facility | Pryor | OK | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Alburtis Gardner Facility | Alburtis | PA | 1–19 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc APEX Division | Allentown | PA | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals, INC. | Allentown | PA | — | ◇ UNVERIFIED |
| APAir Products and Chemicals, INC | Allentown | PA | — | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Fogelsville Gardner Facility | Allentown | PA | 1–19 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Bethlehem Rotoflow Facility | Bethlehem | PA | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Bethlehem Terminal | Bethlehem | PA | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Bethlehem Gardner Facility | Bethlehem | PA | 100–499 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals, INC. | Creighton | PA | — | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc.- Emmaus Gardner Facility | Emmaus | PA | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Lancaster Facility | Lancaster | PA | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals, INC. | Cumberland | RI | — | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc-j.p. Stevens Piedmont Site-remediation Project | Piedmont | SC | — | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc.- Gray Terminal | Gray | TN | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals, INC. | Austin | TX | — | ◇ UNVERIFIED |
| APAir Products and Chemicals Inc.- Baytown 2 Facility | Baytown | TX | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Houston Rotoflow Facility | Houston | TX | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals, Inc- LaPorte Terminal | La Porte | TX | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Laporte Facility | La Porte | TX | 100–499 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Midlothian Facility | Midlothian | TX | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Operating Service Center (OSC) | Pasadena | TX | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals Inc.- Texas City Facility | Texas City | TX | 20–99 | ◐ LIKELY ACTIVE |
| APAir Products and Chemicals INC. | Tooele | UT | — | ◇ UNVERIFIED |
| APAir Products and Chemicals, INC. | Boyceville | WI | — | ◇ UNVERIFIED |
| APAir Products and Chemicals, INC. Menomonie Hpn / Phg | Menomonie | WI | — | ◇ UNVERIFIED |