• Steam & Condensate Piping
  
  
• Boiler & Chiller Installation
  
  
• Oxygen Cleaned & Cryogenic Piping systems
  
  
• Air Separation Plant Piping
  
  
• Medical gases piping
  
  
• Radiant heat piping
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• Snowmelt systems
  
  
• Glycol Chiller systems
  
  
• Plastic Fusion Systems
  
  
• Regenerative thermal oxidizers,
  
  
• Stainless orbital welding of sanitary/CIP process piping 
  

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• Gas piping for industrial, commercial applications ​

HDMI welders for piping fabrication and installation are certified under section IX of the ASME boiler and pressure vessel code.

HDMI employs Union Pipefitters from Local 597 and surrounding local unions.