Sou Tung Chan

The Chartered Institution of Building Services Engineers (CIBSE) is a professional organization that promotes and advances the field of building services engineering. The non-profit company is based in London, UK, and has subsidiaries in the United Kingdom. The British company's focus is on investing in education and research, and supporting the community of built environment professionals in their pursuit of excellence. The CEO of the company is Ruth Carter.

The Hong Kong Institution of Engineers operates as a professional membership organization. The non-profit company is based in Hong Kong, Hong Kong. The CEO of the Chinese company is Wing Hang Sit.

The Association of Energy Engineers promotes scientific and educational interest in the energy industry. The firm offers training seminars and learning programs. The company was founded by Albert Thumann in 1977 and is headquartered in Atlanta, GA.

The American Society of Heating Refrigerating & Air-Conditioning (ASHRAE) provides resources to help designers make buildings more resilient to natural disasters. The non-profit company is based in Peachtree Corners, GA and has subsidiaries in the United States. The company's focus is on helping buildings and their systems withstand and recover from adverse events.