Establishments primarily engaged in manufacturing industrial gases (including organic) for sale in compressed, liquid, and solid forms. Establishments primarily engaged in manufacturing fluorine and sulfur dioxide are classified in Industry 2819; those manufacturing household ammonia are classified in Industry 2842; those manufacturing other ammonia are classified in Industry 2873; those manufacturing chlorine are classified in Industry 2812; and those manufacturing fluorocarbon gases are classified in Industry 2869. Distributors of industrial gases and establishments primarily engaged in shipping liquid oxygen are classified in Wholesale Trade, Industry 5169.
- Acetylene
- Argon
- Carbon dioxide
- Dry ice (solid carbon dioxide)
- Gases, industrial: compressed, liquefied, or solid
- Helium
- Hydrogen
- Neon
- Nitrogen
- Nitrous oxide
- Oxygen, compressed and liquefied