American Chemical Association - http://www.acs.org/
Scientific and educational society of chemists and chemical engineers, with more than 150,000 members. Operates as accrediting agency for college and university departments of chemistry. Publishes Chemical Abstracts and more than two dozen journals.

American Institute of Chemical Engineers - http://www.aiche.org/
Establishes standards for chemical engineering curricula; offers employment services; presents technical conferences and continuing education programs. Also publishes more than a dozen journals.

American Institute of Chemists - http://www.theaic.org/
Promotes advancement of chemical professions; protects public welfare; represents professional interests of chemists and chemical engineers.

American Society of Brewing Chemists - http://www.asbcnet.org/
Professional organization of chemists in brewing and malting industries.

AOAC International - http://www.aoac.org/
Government, academic and industrial analytical scientists whose mission its to improve methods for analyzing fertilizers, foods, feeds, pesticides, drugs, cosmetics.

Organic Reactions Catalysis Society - http://www.orcs.org/
Chemists interested in the use of catalysts in synthetic operations.

Rare-Earth Information Center -
Institute for Physical Research Technology
Ames Laboratory
Ames IA 50011
Society of corporate sponsors in fields involving rare-earth elements.