The Copper Page
The Copper Development Association Inc. (CDA) is the market development, engineering and information services arm of the copper industry, chartered to enhance and expand markets for copper and its alloys in North America. CDA's website is an excellent resource for information about copper, copper alloys, and their many uses and benefits.
http://www.copper.org/

CopperInfo
The Worldwide Copper Information Source from International Copper Association. CopperInfo promotes copper and contains copper-related information.
http://www.copperinfo.com/

Microstructures of Copper and Copper Alloys
This section displays photo micrographs of commercially important and/or metallurgically interesting copper and copper alloys and processings.
http://www.copper.org/resources/properties/microstructure/

Copper and Copper Alloy Semifinished Products - KDP International
KDP (UK) Ltd are the sole representatives of Shahid Bahonar Copper Industries manufacturing copper and copper alloy products conforming to all international standards and is set up to promote and sell these products all over the world.
http://www.kdp-international.com

Storm Copper
Custom Copper Busbars (Bus Bar, Buss Bar), Copper Busbar Assemblies produced to your specifications. Large inventory of copper bar and sheet. Quick delivery from Storm Copper Components Co.
http://www.stormcopper.com/

The Copper Page
The Copper Development Association Inc. (CDA) is the market development, engineering and information services arm of the copper industry, chartered to enhance and expand markets for copper and its alloys in North America. CDA's website is an excellent resource for information about copper, copper alloys, and their many uses and benefits.
http://www.copper.org/

Alberta Custom Tee Ltd.
Alberta Custom Tee Ltd. is a manufacturer of copper manifolds and headers used in both hydronic heating and potable water distribution. A wide variety of copper to copper and pex to copper manifolds in stock. Custom Manifolds made to order. 3/4inch to 6inch bodies with 1/2inch to 6inch outlets available.
http://www.customtee.com/

Sixty Centuries of Copper
This section is based on Sixty Centuries of Copper by B Webster Smith which was published by the UK Copper Development Association in 1965. Sixty Centuries of Copper is intended for the reader who is interested in the general history of copper mining, the development of metal-working processes and the uses of copper through the past six thousand years.
http://www.copper.org/education/60centuries/homepage.html

Freeport - McMoRan Copper & Gold Inc.
The world's lowest-cost copper producer and one of the world's largest producers of copper and gold. FCX's operations are conducted through its subsidiaries, PT Freeport Indonesia, PT Irja Eastern Minerals and Atlantic Copper, S.A.
http://www.fcx.com/Default.htm

PPM Pure Metals GmbH
Producer of high purity metals and chemicals used in electronics, fiber optics, and semiconductors. Products include germanium, germanium tetrachloride, germanium oxide, arsenic, antimony, copper, cadmium and tellurium.
http://www.ppmpuremetals.de/