| 10218-003 | Air | Breathing Air | Gas | Respiratory (inhalation) | Cee-kay Supply, Inc. | Human Prescription Drug |
| 10297-103 | Air | Air | Gas | Respiratory (inhalation) | A-ox Welding Supply Co., Inc. | Human Prescription Drug |
| 10451-004 | Air | Air | Gas | Respiratory (inhalation) | General Distributing Company | Human Prescription Drug |
| 10736-200 | Air | Air | Gas | Respiratory (inhalation) | Medical-technical Gases, Inc. | Human Prescription Drug |
| 10927-104 | Air | Air | Gas | Respiratory (inhalation) | Purity Cylinder Gases Inc | Human Prescription Drug |
| 11054-110 | Air | Air | Gas | Respiratory (inhalation) | Airgas Usa, Llc | Human Prescription Drug |
| 11324-006 | Air | Air | Gas | Respiratory (inhalation) | Linde Puerto Rico B.v. | Human Prescription Drug |
| 11564-004 | Air | Air | Gas | Respiratory (inhalation) | Fresno Oxygen And Welding Suppliers, Inc. | Human Prescription Drug |
| 12213-700 | Air | Air | Gas | Respiratory (inhalation) | Nexair, Llc | Human Prescription Drug |
| 14961-004 | Air | Air | Gas | Respiratory (inhalation) | Haun Specialty Gases, Inc. | Human Prescription Drug |
| 17575-300 | Air | Air | Gas | Respiratory (inhalation) | Agl Welding Supply Co., Inc. | Human Prescription Drug |
| 18482-004 | Air | Air | Gas | Respiratory (inhalation) | Inland Welding Supply Dba A-l Compressed Gases | Human Prescription Drug |
| 21220-152 | Air | Air | Gas | Respiratory (inhalation) | General Air Service & Supply Co | Human Prescription Drug |
| 23647-003 | Air | Air | Gas | Respiratory (inhalation) | Syoxsa, Inc. | Human Prescription Drug |
| 34057-006 | Air | Air | Gas | Respiratory (inhalation) | Oxarc, Llc | Human Prescription Drug |
| 42241-003 | Air | Air | Gas | Respiratory (inhalation) | - Industrial Welding Supply Co. Of Harvey, Inc. | Human Prescription Drug |
| 43621-004 | Air | Air | Gas | Respiratory (inhalation) | Djb Gas Services, Inc | Human Prescription Drug |
| 44076-020 | Air | Air | Gas | Respiratory (inhalation) | American Welding & Gas, Inc. | Human Prescription Drug |
| 46123-109 | Air | Air | Gas | Respiratory (inhalation) | Roberts Oxygen Company, Inc. | Human Prescription Drug |
| 49204-004 | Air | Air | Gas | Respiratory (inhalation) | Hartman Brothers, Inc. | Human Prescription Drug |
| 49575-004 | Air | Air | Gas | Respiratory (inhalation) | Machine & Welding Supply Company Dba Arc3 Gases South | Human Prescription Drug |
| 50063-004 | Air | Air | Gas | Respiratory (inhalation) | Andy-oxy Co., Inc. | Human Prescription Drug |
| 50554-007 | Air | Air | Gas | Respiratory (inhalation) | Dupuy Oxygen & Supply Company, Inc. | Human Prescription Drug |
| 51012-003 | Air | Air | Gas | Respiratory (inhalation) | Gilmore Liquid Air Co. | Human Prescription Drug |
| 51486-018 | Air | Air | Gas | Respiratory (inhalation) | Ilmo Products Company | Human Prescription Drug |
| 51887-502 | Air | Air | Gas | Respiratory (inhalation) | Maine Oxy-acetylene Supply Company | Human Prescription Drug |
| 52085-004 | Air | Air | Gas | Respiratory (inhalation) | Analgesic Services Inc | Human Prescription Drug |
| 53440-007 | Air | Air | Gas | Respiratory (inhalation) | Westair Gases & Equipment, Inc. | Human Prescription Drug |
| 53452-003 | Air | Air | Gas | Respiratory (inhalation) | Dale Oxygen And Acetylene Service, Inc | Human Prescription Drug |
| 55037-302 | Air | Air | Gas | Respiratory (inhalation) | Matheson Tri-gas, Inc. | Human Prescription Drug |
| 55147-004 | Air | Air | Gas | Respiratory (inhalation) | Minneapolis Oxygen Company | Human Prescription Drug |
| 58632-003 | Air | Air | Gas | Respiratory (inhalation) | Gibbs Welding Supply, Inc. | Human Prescription Drug |
| 59579-006 | Air | Air | Gas | Respiratory (inhalation) | Linde Gas & Equipment Inc. | Human Prescription Drug |
| 62273-003 | Air | Air | Gas | Respiratory (inhalation) | Metro Welding Supply Corporation | Human Prescription Drug |
| 64169-003 | Air | Air | Gas | Respiratory (inhalation) | Eugene Welders Supply Co | Human Prescription Drug |
| 67525-200 | Air | Air | Gas | Respiratory (inhalation) | Spectrum Gas Products, Inc | Human Prescription Drug |
| 70151-003 | Air | Air | Gas | Respiratory (inhalation) | Central Welding Supply Company | Human Prescription Drug |
| 10297-003 | Air | | | | A Ox Welding Supply Company Inc. | |
| 10297-005 | Air | | | | A-ox Welding Supply Co., Inc. | |
| 10451-002 | Air | | | | General Distributing Company | |
| 10671-080 | Air | | | | Air Liquide America L.p. | |
| 10671-1108 | Air | | | | Air Liquide America L.p. | |
| 10678-005 | Air | | | | Airgas-west, Inc. | |
| 10736-016 | Air | | | | Medical-technical Gases, Inc. | |
| 10927-104 | Air | | | | Purity Cylinder Gases Inc | |
| 11054-001 | Air | | | | Airgas Usa, Llc | |
| 11054-050 | Air | | | | Airgas Mid South, Inc. | |
| 11390-025 | Air | | | | Airgas Usa Llc | |
| 11564-003 | Air | | | | Fresno Oxygen And Welding Suppliers | |
| 17575-007 | Air | | | | Agl Inhalation Therapy Co. | |
| 21220-124 | Air | | | | General Air Service & Supply Co | |
| 21503-006 | Air | | | | Indianapolis Welding Supply, Inc | |
| 25543-005 | Air | | | | Airgas East, Inc. | |
| 42411-080 | Air | | | | Air Liquide America Specialty Gases Llc | |
| 46123-009 | Air | | | | Roberts Oxygen Company, Inc. | |
| 48883-005 | Air | | | | Encompass Medical & Specialty Gases, Ltd. | |
| 49204-003 | Air | | | | Hartman Brothers, Inc | |
| 49972-006 | Air | | | | Praxair Distribution Southeast Llc | |
| 50063-003 | Air | | | | Andy-oxy Co., Inc. | |
| 50554-006 | Air | | | | Dupuy Oxygen & Supply Company, Inc. | |
| 51486-004 | Air | | | | Ilmo Products Company | |
| 52346-014 | Air | | | | American Welding & Gas, Inc. | |
| 53440-005 | Air | | | | Westair Gases & Equipment, Inc. | |
| 54416-004 | Air | | | | Nordan Smith Welding Supply | |
| 55749-005 | Air | | | | Industrial Gas Distributors Inc | |
| 55749-007 | Air | | | | Industrial Gas Distributors Inc | |
| 57472-006 | Air | | | | Airgas-norpac Inc. | |
| 58356-003 | Air | | | | Lampton Welding Supply Company, Inc | |
| 58420-005 | Air | | | | Airgas Intermountain Inc | |
| 58789-005 | Air | | | | Airgas Northern California And Nevada, Inc. | |
| 58789-500 | Air | | | | Airgas Northern California And Nevada, Inc. | |
| 63961-003 | Air | | | | Middlesex Gases And Technologies, Inc. | |
| 63961-300 | Air | | | | Middlesex Gases & Technologies, Inc. | |
| 64735-080 | Air | | | | Air Liquide Healthcare America Corporation | |
| 73468-006 | Air | | | | Magnegas Welding Supply-south, Llc | |
