The Academy of Industrial Hygiene (AIH), previously named the American Academy of Industrial Hygiene, originated as a non-incorporated professional society under the sponsorship of ABIH. In 2000, the AIH merged with the AIHA. Only CIHs who were AIHA members qualifed as Diplomates in the AIH. In 2008, AIHA by-laws were changed to all non-AIHA CIHs to join the AIH uner an Academy Affiliate classification (which had reduced fees and no AIHA benefits).

The purpose and objectives of the Academy are to provide leadership in advancing the professional field of industrial hygiene, by raising the level of competence of industrial hygienists and by securing wide recognition of the need for high quality industrial hygiene practice to ensure healthful working conditions in the various occupations and industries.

Its activities include:

• Recruitment and training of Certified Industrial Hygienists (CIH)
• Promotion of industrial hygiene with those in government, industry and labor
• Advancement of the American Board of Industrial Hygiene Certification process
• Education of IHs in the application of the Code of Ethics

The AIH sponsors the academic accreditation of industrial hygiene bachelors and masters degree programs through the Accreditation Board for Engineering and Technology (ABET), organizes and delivers the annual Professional Conference on Industrial Hygiene (PCIH) and acts as secretariat for the Joint Industrial Hygiene Ethics Education Committee (JIHEEC).