General Organisations

Green Bodies

Certification Bodies

National Concrete Associations

American Codes and Standards Organizations

  • ANSI - American National Standards Institute
  • ASHRAE - American Society of Heating, Refrigerating, and Air Conditioning Engineers
  • ASCE - American Society of Civil Engineers
  • NFPA - The National Fire Protection Association
  • ASTM - American Society for Testing and Materials
  • NES National Evaluation Service, Inc.
  • NSSN A National Resource for Global Standards
  • NCSBCS. National Conference of States on Building Codes and Standards
  • NFPA The National Fire Protection Association
  • ASTM American Society for Testing and Materials