1. AACE International (Formerly, the Association for the Advancement of Cost Engineering International)
  2. Accreditation Board for Engineering and Technology
  3. American Association of Engineering Societies
  4. American Association of Engineers
  5. American Consulting Engineers Council
  6. American Institute of Aeronautics and Astronautics
  7. American Institute of Chemical Engineers
  8. American Institute of Consulting Engineers
  9. American Institute of Electrical Engineers
  10. American Society for Engineering Education
  11. American Society of Agricultural and Biological Engineers
  12. American Society of Certified Engineering Technicians
  13. American Society of Civil Engineers
  14. American Society of Heating, Refrigerating, and Air-Conditioning Engineers
  15. American Society of Mechanical Engineers