» Aromatherapy Alliance    A not-for-profit organization that hosts meetings and educational events for its members. Provides links, and information about membership, events, and education.    http://www.aromatherapyalliance.org

» Aromatherapy Registration Council    Information on the National Examination in Aromatherapy, available through the ARC. Includes frequently asked questions, how to apply, what's new and contact information.    http://www.aromatherapycouncil.org/

» Aromatic Plant Project    An organization supporting the growth and distillation of essential oil plants in the US. Provides a description of member benefits, a calendar of events, articles and news, and a bookstore.    http://www.aromaticplantproject.com/

» Canadian Federation of Aromatherapists    International organization that offers standards for certification, safety, and professional conduct for its members. Provides information about membership, education, policies, events, and insurance.    http://www.cfacanada.com/

» International Federation of Aromatherapists    Worldwide organization located in London, offering workshops, articles, and a magazine. Provides information about activities, membership, news, and training.    http://www.ifaroma.org

» International Federation of Aromatherapists (IFA) Australian Branch    Provides information about membership, Simply Essential magazine, accredited schools, and upcoming events and tours.    http://www.ifa.org.au

» International Fragrance Association    Guidelines for safe usage of fragrant chemicals and essential oils in perfumes and skincare.    http://www.ifraorg.org/

» The National Association for Holistic Aromatherapy    A non-profit educational organization devoted to aromatherapy in the United States. Provides information on essential oils for health and healing purposes.    http://www.naha.org/