Brazilian Catalysis Society
   Research in Brazil and other countries.
   http://www.sbcat.org/index-eng.htm

Catalysis Club of Chicago
   NACS affiliate. Presentation of organization, awards, and schedule of upcoming meetings.
   http://www.cmt.anl.gov/CCC/

Catalysis Section of the Royal Dutch Chemical Society
   Organisation uniting members from academia and industry who are active in the field of catalysis. Provides a newsletter and information about conferences and membership.
   http://www.kncv.nl/katalyse/

Catalysis Society of Japan
   Presents information on conferences and seminars, and international symposia. [Japanese/English]
   http://www.shokubai.org/

Catalysis Society of Metropolitan New York
   Local NACS affiliate presents general information about the group, membership, and meeting schedule.
   http://nycsweb.redlich.net/

European Federation of Catalyst Societies (EFCATS)
   Federation of societies from 24 European countries. Site provides information on its biennial EuropaCat conference, links to national catalysis societies, and courses and research on catalysis throughout Europe.
   http://www.efcats.org/

International Association of Catalysis Societies
   Organizes the quadrennial International Congress on Catalysis. Information about the organization, upcoming events, and newsletters.
   http://www.iacs-icc.org/

International Zeolite Association
   Aims to promote the development of zeolite science and technology. News, publication listing, commissions, upcoming and past conferences, structure databases, and links.
   http://www.iza-online.org/

Organic Reactions Catalysis Society
   Group of scientists focusing on catalysis as applied to organic synthesis, whose primary activity is an annual conference. Site includes information about the conference, awards, officers, and membership.
   http://www.orcs.org/

Pittsburgh-Cleveland Catalysis Society
   Overview of activities and officers.
   http://www.pitt.edu/~gveser/pccs/

The Catalysis Club of Philadelphia
   Group of academic and industrial scientists presents its meeting schedule, news, events, and membership information.
   http://catalysisclubphilly.org/

The Nordic Catalysis Society
   Scandinavian association that organizes the biennial Nordic Symposium on Catalysis, as well as educational events.
   http://www.nordic-catalysis.org/

The North American Catalysis Society (NACS)
   Promotes the growth and development of the science of catalysis and ancillary scientific disciplines, through meetings, education, and exchange of information. Site includes history of catalysis, meeting and event calendar, and educational information.
   http://www.nacatsoc.org/