AIA North Carolina 

Air Diffusion Council (ADC)

American National Standards Institute (ANSI)

American Society for Testing and Materials (ASTM)

American Society of Heating, Refrigeration and Air Conditioning Engineers (ASHRAE)

American Society of Mechanical Engineers (ASME)

American Society of Plumbing Engineers (ASPE)

American Society of Sanitary Engineering (ASSE)

Charlotte Plumbing Heating & Cooling Contractors Association (CPHCCA)

Canadian Standards Association (CSA)

Carbon Monoxide, Mecklenburg County Health Department

Cast Iron Pipe Institute

Copper Development Association

US Dept. of Housing and Urban Development (HUD)

National Sanitation Foundation (NSF)

Mechancial Contractors of North Carolina

North Carolina Association of Plumbing Heating & Cooling Contractors (NCAPHCC)

North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors

North Carolina State Board of Refrigeration Examiners

North Carolina Building Inspectors Association (NCBIA)

North Carolina Department of Environment and Natural Resources (NCDENR)

North Carolina Department of Labor (NCDOL)

North Carolina Department of Insurance (NCDOI)

International Code Council (ICC) (Formerly SBCCI)

Plumbing and Drainage Institute (PDI)

Sheet Metal and Air Conditioning Contractors' National Association (SMACNA)

U.S. Environmental Protection Agency (Mold)

United States Department of Energy

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