Drug
Who makes nitrous oxide?
41 companies list nitrous oxide as a human prescription drug. Forms: gas. Routes: respiratory (inhalation).
Labellers from the openFDA NDC Directory. A labeller is the firm named on the label, not necessarily the site that made the product, and a listing is not an FDA approval. Data as of 24 Sept 2026. Methodology
Companies listing nitrous oxide
| Company | Forms | Application | NDCs | Registered sites |
|---|---|---|---|---|
| Roberts Oxygen Company, Inc.United States | gas | NDANDA206009 | 2 | 13 |
| Nitrous Oxide of CanadaUnited States | gas | NDANDA206009 | 2 | 3 |
| Linde Gas & Equipment Inc.United States | gas | NDANDA209989 | 1 | 152 |
| Matheson Tri-Gas, Inc.United States | gas | NDANDA209989 | 1 | 84 |
| Norco, IncUnited States | gas | NDANDA206009 | 1 | 48 |
| American Welding & Gas, Inc.United States | gas | NDANDA205704 | 1 | 23 |
| NexAir LLCUnited States | gas | NDANDA206009 | 1 | 18 |
| Machine & Welding Supply Company dba Arc3 Gases SouthUnited States | gas | NDANDA205704 | 1 | 17 |
| Oxarc LLCUnited States | gas | NDANDA206009 | 1 | 15 |
| Medical-technical Gases, Inc.United States | gas | NDANDA209989 | 1 | 10 |
| Holston Gases, Inc.United States | gas | NDANDA206009 | 1 | 6 |
| Spectrum Pharmaceuticals, Inc.United States | gas | NDANDA206009 | 1 | 6 |
| Helget Gas Products IncUnited States | gas | NDANDA206014 | 1 | 5 |
| ILMO Products CompanyUnited States | gas | NDANDA206009 | 1 | 5 |
| United States Welding, Inc. dba Rocky Mountain Air SolutionsUnited States | gas | NDANDA205704 | 1 | 5 |
| Analgesic Services IncUnited States | gas | NDANDA209989 | 1 | 3 |
| Dupuy Oxygen & Supply Company, Inc.United States | gas | NDANDA206009 | 1 | 3 |
| MITCHELL WELDING SUPPLY DBA Meritus TexasUnited States | gas | NDANDA209989 | 1 | 3 |
| QUALITY AIR PRODUCTS INCUnited States | gas | NDANDA206009 | 1 | 3 |
| Volunteer Welding Supply Co.United States | gas | NDANDA209989 | 1 | 3 |
| WestAir Gases & Equipment, Inc.United States | gas | NDANDA206009 | 1 | 3 |
| Airtec Gases, LLCUnited States | gas | NDANDA205704 | 1 | 2 |
| Badger Welding Supplies, Inc.United States | gas | NDANDA209989 | 1 | 2 |
| Crumpton Welding Supply and Equipment, Inc.United States | gas | NDANDA209989 | 1 | 2 |
| General Air Service & Supply Co.United States | gas | NDANDA205704 | 1 | 2 |
| General Welding Supply CorporationUnited States | gas | NDANDA209989 | 1 | 2 |
| Metro Welding Supply CorporationUnited States | gas | NDANDA205704 | 1 | 2 |
| Red Ball Oxygen Co., Inc.United States | gas | NDANDA206009 | 1 | 2 |
| A G L Welding Supply Co IncUnited States | gas | NDANDA206009 | 1 | 1 |
| AGP LLCUnited States | gas | NDANDA206009 | 1 | 1 |
| Aero All-Gas Company TheUnited States | gas | NDANDA206009 | 1 | 1 |
| Air Source IndustriesUnited States | gas | NDANDA206009 | 1 | 1 |
| Boggs Gases div. Boggs Fire EquipmentUnited States | gas | UNAPPROVED MEDICAL GAS | 1 | 1 |
| Central Welding Supply CompanyUnited States | gas | NDANDA205704 | 1 | 1 |
| Corrigan Propane LLC dba Blue Water Industrial ProductsUnited States | gas | NDANDA209989 | 1 | 1 |
| DJB Gas Services, IncUnited States | gas | NDANDA205704 | 1 | 1 |
| Keen Compressed Gas Company, Inc.United States | gas | NDANDA206009 | 1 | 1 |
| Lessors, IncorporatedUnited States | gas | NDANDA209989 | 1 | 1 |
| Maverick Oxygen & Respiratory Equipment, LLCUnited States | gas | NDANDA209989 | 1 | 1 |
| WSM SUPPLIER LLCUnited States | gas | NDANDA209989 | 1 | 1 |
| FULLERTON WELDING SUPPLY | gas | NDANDA206009 | 1 | 0 |
Enquiry
Common questions
- Who makes nitrous oxide?
- 41 companies list nitrous oxide as a human prescription drug in the openFDA NDC Directory, led by Roberts Oxygen Company, Inc., Nitrous Oxide of Canada, Linde Gas & Equipment Inc., Matheson Tri-Gas, Inc., Norco, Inc. Each is the labeller, the firm named on the label; the product may be made at a site registered to another company.