Includes
Medical gases are used for medical treatments and for use in the human body. Medical gas cylinders contain high purity gas; no other types of gases are allowed in the cylinder. Gases that make up the medical gas category are medical grades of carbon dioxide, helium, nitrogen, nitrous oxide, oxygen, argon, and other miscellaneous medical gases. This definition also includes bulk oxygen that hospital use to dispense throughout the hospital via the piped in distribution system to the bedside.

Possible NAICS Codes
325120 – Industrial Gas Manufacturing
325412 – Pharmaceutical Preparation Manufacturing
221210 – Natural Gas Distribution
423840 – Industrial Supplies Merchant Wholesalers