The membership of the Institution comprises professional engineers, engineering technologists, and engineering associates engaged in all areas of engineering activity, as well as students preparing for such careers. The IEEE is the world's largest professional society. It is a non-profit organization that promote the development and use of electrical and electronic technology and related sciences in the interests of the general public, the engineering profession, and their members. The IOM is a component of the National Academy of Science , responsible for the examination of policy concerning public health. It is both an advisor to the government, and identifies relevant issues on its own.
Membership is by election.
The NAE was established by the National Academy of Science as a parallel institution of accomplished engineers. The NAE advises the government, sponsors programs, promotes education and research, and recognizes achievements. The NAS is a private non-profit society of accomplished scholars of science and engineering. The NAS is dedicated to the promotion of science and technology and its applications for the benefit of the general public welfare. The NAS has a mandate to advise the federal government on scientific and technical matters.