AGA American Gas Association
  AIA American Institute of Architects
  AMCA Air Movement and Control Association, Inc.
  ANSI American National Standards Institute
  ARI Air-Conditioning and Refrigeration Institute
  ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers
  ASHRAE Puget Sound Local Seattle Chapter of ASHRAE
  ASME American Society of Mechanical Engineers
  CSI Construction Specifications Institute
  ICC International Code Council
  IEST Institute of Environmental Sciences and Technology
  NACM National Association of Credit Mangers
  NFPA National Fire Protection Association
  NSPE National Society of Professional Engineers
  OCPC Oregon Contractor Plan Center
  PHCC Plumbing, Heating, Cooling Contractors Association
  SMACNA Sheet Metal and Air Conditioning Contractors' National Association
  UL Underwriters Laboratories, Inc.

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