Airgas

Airgas is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Ammonia
• Gas Industrial & Medical

North American Industry Classification System (NAICS) Categories:

• Industrial Machinery And Equipment Merchant Wholesalers > Petroleum Industry Machinery > Gas Equipment Industrial
• Other Chemical And Allied Products Merchant Wholesalers > Industrial Chemical Gases > Ammonia

Standard Industry Classification (SIC) Categories:

• Industrial Machinery & Equipment > Petroleum Industry Machinery > Gas Equipment Industrial
• Chemicals And Allied Products, Nec > Industrial Chemical Gases > Ammonia