| 49696-632 | OXYGEN | OXYGEN | Oxygen Service Company, Inc | NDA | Current |
| 50505-001 | OXYGEN | OXYGEN | James Supply and Rental Company | NDA | Current |
| 50505-001 | OXYGEN | OXYGEN | James Supply and Rental Company | NDA | Current |
| 50505-001 | OXYGEN | OXYGEN | James Supply and Rental Company | NDA | Current |
| 50505-001 | OXYGEN | OXYGEN | James Supply and Rental Company | NDA | Current |
| 50505-001 | OXYGEN | OXYGEN | James Supply and Rental Company | NDA | Current |
| 50554-100 | Oxygen | Oxygen | DuPuy Oxygen & Supply Company, Inc. | NDA | Current |
| 50554-100 | Oxygen | Oxygen | DuPuy Oxygen & Supply Company, Inc. | NDA | Current |
| 50554-100 | Oxygen | Oxygen | DuPuy Oxygen & Supply Company, Inc. | NDA | Current |
| 50554-100 | Oxygen | Oxygen | DuPuy Oxygen & Supply Company, Inc. | NDA | Current |
| 50554-100 | Oxygen | Oxygen | DuPuy Oxygen & Supply Company, Inc. | NDA | Current |
| 50554-100 | Oxygen | Oxygen | DuPuy Oxygen & Supply Company, Inc. | NDA | Current |
| 50554-100 | Oxygen | Oxygen | DuPuy Oxygen & Supply Company, Inc. | NDA | Current |
| 50554-100 | Oxygen | Oxygen | DuPuy Oxygen & Supply Company, Inc. | NDA | Current |
| 50597-001 | Oxygen | Oxygen | W H GOODALE CO | NDA | Current |
| 50597-001 | Oxygen | Oxygen | W H GOODALE CO | NDA | Current |
| 50597-001 | Oxygen | Oxygen | W H GOODALE CO | NDA | Current |
| 50597-001 | Oxygen | Oxygen | W H GOODALE CO | NDA | Current |
| 50597-001 | Oxygen | Oxygen | W H GOODALE CO | NDA | Current |
| 51012-001 | OXYGEN | OXYGEN | Gilmore Liquid Air Company | NDA | Current |
| 51012-001 | OXYGEN | OXYGEN | Gilmore Liquid Air Company | NDA | Current |
| 51012-001 | OXYGEN | OXYGEN | Gilmore Liquid Air Company | NDA | Current |
| 51012-001 | OXYGEN | OXYGEN | Gilmore Liquid Air Company | NDA | Current |
| 51012-001 | OXYGEN | OXYGEN | Gilmore Liquid Air Company | NDA | Current |
| 51500-001 | Oxygen | Oxygen | Corsicana Welding Supply, Inc. | NDA | Current |
| 51500-001 | Oxygen | Oxygen | Corsicana Welding Supply, Inc. | NDA | Current |
| 52085-001 | OXYGEN | OXYGEN | Analgesic Services Inc. dba ASI Medical | NDA | Current |
| 52085-001 | OXYGEN | OXYGEN | Analgesic Services Inc. dba ASI Medical | NDA | Current |
| 52085-001 | OXYGEN | OXYGEN | Analgesic Services Inc. dba ASI Medical | NDA | Current |
| 52085-001 | OXYGEN | OXYGEN | Analgesic Services Inc. dba ASI Medical | NDA | Current |
| 52085-001 | OXYGEN | OXYGEN | Analgesic Services Inc. dba ASI Medical | NDA | Current |
| 52085-001 | OXYGEN | OXYGEN | Analgesic Services Inc. dba ASI Medical | NDA | Current |
| 52085-001 | OXYGEN | OXYGEN | Analgesic Services Inc. dba ASI Medical | NDA | Current |
| 52085-001 | OXYGEN | OXYGEN | ANALGESIC SERVICES, INC. | NDA | Current |
| 52085-001 | OXYGEN | OXYGEN | ANALGESIC SERVICES, INC. | NDA | Current |
| 52272-001 | Oxygen | Oxygen | Albright Welding Supply Co., Inc. | NDA | Current |
| 52272-001 | Oxygen | Oxygen | Albright Welding Supply Co., Inc. | NDA | Current |
| 52272-001 | Oxygen | Oxygen | Albright Welding Supply Co., Inc. | NDA | Current |
| 52272-001 | Oxygen | Oxygen | Albright Welding Supply Co., Inc. | NDA | Current |
| 52272-001 | Oxygen | Oxygen | Albright Welding Supply Co., Inc. | NDA | Current |
| 52272-001 | Oxygen | Oxygen | Albright Welding Supply Co., Inc. | NDA | Current |
| 52563-001 | Oxygen | Oxygen | T.W. Smith Corp. | NDA | Current |
| 52563-002 | Oxygen | Oxygen | T.W. Smith Corp. | NDA | Current |
| 52563-002 | Oxygen | Oxygen | T.W. Smith Corp. | NDA | Current |
| 52563-002 | Oxygen | Oxygen | T.W. Smith Corp. | NDA | Current |
| 52698-001 | Oxygen | Oxygen | Bill Munn Supply, Inc. | NDA | Current |
| 52698-001 | Oxygen | Oxygen | Bill Munn Supply, Inc. | NDA | Current |
| 52698-001 | Oxygen | Oxygen | Bill Munn Supply, Inc. | NDA | Current |
| 52698-001 | Oxygen | Oxygen | Bill Munn Supply, Inc. | NDA | Current |
| 52698-001 | Oxygen | Oxygen | Bill Munn Supply, Inc. | NDA | Current |
| 53199-100 | Southern Medical Oxygen, Compressed | Compressed Oxygen | Michael R. Mullins II Inc. dba Southern Medical | NDA | Current |
| 53199-100 | Southern Medical Oxygen, Compressed | Compressed Oxygen | Michael R. Mullins II Inc. dba Southern Medical | NDA | Current |
| 54247-001 | Oxygen | Oxygen | Bishop Welding Supply | NDA | Current |
| 54247-001 | Oxygen | Oxygen | Bishop Welding Supply | NDA | Current |
| 54247-001 | Oxygen | Oxygen | Bishop Welding Supply | NDA | Current |
| 54247-001 | Oxygen | Oxygen | Bishop Welding Supply | NDA | Current |
| 54247-001 | Oxygen | Oxygen | Bishop Welding Supply | NDA | Current |
| 55037-700 | Carbon Dioxide/Oxygen 5/95 | Carbon Dioxide/Oxygen 5/95 | MATHESON TRI-GAS, INC. | NDA | Current |
| 55037-700 | Carbon Dioxide/Oxygen 5/95 | Carbon Dioxide/Oxygen 5/95 | MATHESON TRI-GAS, INC. | NDA | Current |
| 55037-710 | Carbon Dioxide Oxygen | Carbon Dioxide Oxygen | MATHESON TRI-GAS, INC. | NDA | Current |
| 55050-0011 | OXYGEN | OXYGEN | Holston Gases, Inc. | NDA | Current |
| 55050-0011 | OXYGEN | OXYGEN | Holston Gases, Inc. | NDA | Current |
| 55050-0011 | OXYGEN | OXYGEN | Holston Gases, Inc. | NDA | Current |
| 55050-0011 | OXYGEN | OXYGEN | Holston Gases, Inc. | NDA | Current |
| 55050-0011 | OXYGEN | OXYGEN | Holston Gases, Inc. | NDA | Current |
| 55050-0011 | OXYGEN | OXYGEN | Holston Gases, Inc. | NDA | Current |
| 59578-721 | Oxygen | Oxygen | Linde Inc. | NDA | Current |
| 59578-721 | Oxygen | Oxygen | Praxair, Inc. | NDA | Current |
| 59578-721 | Oxygen | Oxygen | Praxair, Inc. | NDA | Current |
| 59578-721 | Oxygen | Oxygen | Praxair, Inc. | NDA | Current |
| 59578-721 | Oxygen | Oxygen | Linde Inc. | NDA | Current |
| 59578-721 | Oxygen | Oxygen | Linde Inc. | NDA | Current |
| 59578-721 | Oxygen | Oxygen | Linde Inc. | NDA | Current |
| 59578-721 | Oxygen | Oxygen | Praxair, Inc. | NDA | Current |
| 59578-721 | Oxygen | Oxygen | Linde Inc. | NDA | Current |
| 59578-721 | Oxygen | Oxygen | Praxair, Inc. | NDA | Current |
| 59579-001 | Oxygen | Oxygen | Praxair Distribution, Inc. | NDA | Current |
| 59579-001 | Oxygen | Oxygen | Praxair Distribution, Inc. | NDA | Current |
| 59579-001 | Oxygen | Oxygen | Praxair Distribution, Inc. | NDA | Current |
| 59579-001 | Oxygen | Oxygen | Praxair Distribution, Inc. | NDA | Current |