- American Concrete Institute (ACI)
United States: Formed in 1904 to help in advancing concrete knowledge by conducting seminars, managing certification programs, and publishing technical documents..
- American Gear Manufacturers Association (AGMA)
United States: Formed in 1916 as an association to help set national gearing standards, including the development of ISO gearing standards till today.
- American Institute of Aeronautics and Astronautics (AIAA )
United States: Formed in 1982 as a professional society dedicated to the advancement of engineering and science in aviation, space, and defence.
- American Institute of Steel Construction (AISC)
United States: Formed in 1921 to serve the structural steel design community and construction industry in the United States.
- American Iron & Steel Institute (AISI)
United States: Formed in 1855 as the American Iron Association. It supports American steel industries committed to manufacturing products that meet society's needs.
- American Petroleum Institute (API)
United States: Formed in 1919 as the only national trade association that represents all aspects of America’s oil and natural gas industry. Currently, it maintains over 500 standards and recommended practices covering all segments of the oil and gas industry.
- American Society for Quality (ASQ)
United States: Formed in 1946 as a global experts community and the leading authority on quality in all fields, organisations, and industries.
- American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)
United States: Formed in 1894 as an international organisation devoted to the progress of heating, ventilation, air conditioning and refrigeration.
- American Society of Mechanical Engineers (ASME)
United States: Formed in 1880 as a professional organisation that promotes the crucial role of the engineer in society.
- American Water Works Association (AWWA)
United States: Formed in 1881 as the authoritative resource on safe water.
- American Welding Society (AWS)
United States: Formed in 1919 as a non-profit organisation in advancing the science, technology and application of welding and related joining disciplines.
- ASTM International
United States: Formed in 1898, originally known as the American Society for Testing and Materials (ASTM). This non- profit organisation publishes standards and test procedures as technical guidelines for product safety, reliability and uniformity.
- Institute of Electrical & Electronics Engineers (IEEE)
United States: Formed in 1963 as a professional association that is dedicated to advancing technological innovation and excellence for the benefit of humanity.
- Institute of Transportation Engineers (ITE)
United States: Formed in 1930 as an international educational and scientific association of transportation professionals who are responsible for meeting mobility and safety needs.
- NACE International
United States: Formed in 1943, originally known as the National Association of Corrosion Engineers. It is the leader in the corrosion engineering and science community, and is the premier authority for corrosion control and prevention.
- National Fire Protection Association (NFPA)
United States: Formed in 1896 as a non- profit organisation that provides codes and standards to reduce the worldwide burden of fire and other hazards.
- Society for Experimental Mechanics (SEM)
United States: Formed in 1943 as a professional society involving in the validation of new designs and materials.
- Society of Automotive Engineers (SAE)
United States: Formed in 1905, a one-stop portal providing resources on standards development, technical information and expertise in designing, building, maintaining, and operating of vehicles for use on land, sea, air or space.
- Society of Manufacturing Engineers (SME)
United States: Formed in 1932 as a professional society in advancing manufacturing knowledge.
- Technical Association of the Pulp and Paper Industry (TAPPI)
United States: Formed in 1915 as a professional association serving the pulp, paper, converting and packaging industries.
- Underwriters Laboratories Inc. (UL)
United States: Formed in 1894 as a non- profit organisation that helps to perform product safety tests and certifications.