Association of Zoos and Aquariums
Founded in 1924, the Association of Zoos and Aquariums (AZA) is a nonprofit organization that accredits zoos and aquariums that have met rigorous standards for animal care, education, wildlife conservation and science. Includes membership information and list of publications.
http://www.aza.org/

Japanese Association of Zoos and Aquariums (JAZA)
Represents 95 zoos and 68 aquariums. Find history, membership overview, and projects.
http://www.jazga.or.jp/

Zoos and Aquariums of America
Zoos and aquariums in the USA, Canada, Central & South America
http://www.americanzoos.info/

Caribsea, Inc.
CaribSea aquarium products
http://www.carib-sea.com/

Zoo Med Laboratories, Inc.
Manufacturer of products for reptiles, amphibians, birds and aquariums including UVB lighting for reptiles, heating, foods, terrariums, substrates, furniture and accessories.
http://www.zoomed.com/

American Waterweed (Elodea canadensis)
Photograph and information on this plant which is often used in aquariums.
http://www.ecy.wa.gov/programs/wq/plants/native/elodea.html

Fish Link Central: Public_Aquariums
Links to public aquariums worldwide.
http://www.fishlinkcentral.com/links/Public_Aquariums/

Aquarium Pharmaceuticals
Welcome to API, MetaDescrition, A Description
http://www.aquariumpharm.com/

Jebo Co. Ltd.
An international company that develops and manufactures aquariums, accessories and submersible pumps.
http://www.jebo.com.cn/

HkO Aquatic Solutions
Designing, installing and maintaining aquariums in commercial and residential premises.
http://www.geocities.com/scott_hembruff/