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| London Metal Exchange (LME) | www.lme.co.uk | UK |
| New York Mercantile Exchange (NYMEX) | www.nymex.com | USA |
| Chicago Board of Exchange | www.cbot.com | USA |
| Sydney Futures Exchange | www.sfe.com.au | Australia |
| Tokyo Commodity Exchange | www.tocom.or.jp/souba/souba_e.html | Japan |
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| International Wrought Copper Council | www.coppercouncil.org | UK |
| International Copper Association | www.copperinfo.com | USA |
| Copper Development Association USA | www.copper.org | USA |
| Copper Development Association UK | www.cda.org.uk | UK |
| International Copper Study Group | www.icsg.org | EU |
| European Copper Institute | www.eurocopper.org/coppersite | EU |
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| International Wire & Machinery Association (IWMA) | www.iwma.org | UK |
| Wirefirst | www.wirefirst.com | USA |
| Wire Association International (WAI) | www.wirenet.org | USA |
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| European Committee for Standardisation (CEN) | www.cenorm.be | EU |
| International Organisation for Standardisation (ISO) | www.iso.ch | EU |
| British Standards Institution | www.bsi-global.com | UK |
| American Society for Testing and Materials (ASTM) | www.astm.org | USA |
| American National Standards Institute (ANSI) | www.ansi.org | USA |
| German Institute for Standardisation (DIN) | www.din.de | Germany |
| Society of Automotive Engineers (SAE) | www.sae.org | USA |
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| Institution of Mechanical Engineers (IMechE) | www.imeche.org.uk | UK |
| Institute of Materials (IOM) | www.materials.org.uk | UK |
| Institute of British Foundrymen | www.ibf.org.uk | UK |
| Institute of Mining & Metallurgy | www.imm.org.uk/index1.htm | UK |
| American Foundry Association | www.afsinc.org | USA |
| American Society of Mechanical Engineers (ASME) | www.asme.org | USA |
| American Institute of Mining, Metallurgical & Petroleum Engineers (AIME) | www.idis.com/aime | USA |
| Association of Iron and Steel Engineers (AISE) | www.aise.org | USA |
| Manufacturing Jewellers & Suppliers of America (MJSA) | www.mjsa.polygon.net | USA |
| Institute of Scrap Recycling Industries (ISRI) | www.isri.org/ | USA |
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| Mat Web | www.matls.com | USA |
| MEMS Material Database | www.memsnet.org/material | USA |
| National Institute of Standards & Technology (NIST) | www.nist.gov/srd | USA |
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| Silver Institute | www.silverinstitute.org | USA |
| Platinum Guild | www.platinumguild.org | USA |
| Gold Institute | www.goldinstitute.org | USA |
| Manufacturing Jewelers & Suppliers of America (MJSA) | www.mjsa.polygon.net | USA |
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| British Royal Mint | www.royalmint.com | UK |
| United States Mint | www.usmint.gov | USA |
| Perth Mint | www.perthmint.com.au/gc/ | Australia |
| Singapore Mint | www.singaporemint.com.sg/ | Singapore |
| French Mint (La Monnaie de Paris) | www.monnaiedeparis.com | France |
| The Dutch Mint | www.koninklijkenederlandsemunt.nl | Netherlands |
| The Austrian Mint | www.austrian-mint.com | Austria |
| Royal Canadian Mint | www.rcmint.ca/en | Canada |
| Spanish Mint | www.fnmt.es | Spain |
| The Mint Bureau Japan | www.mint.go.jp | Japan |
| Royal Thai Mint | www.trd.mof.go.th/english | Thailand |
| South African Mint | www.samint.co.za | South Africa |
| Rand Refinery | www.randref.co.za | South Africa |
| Turkish State Mint | www.darphane.gov.tr/english.htm | Turkey |
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| Dundee and Angus Tourist Board | www.angusanddundee.co.uk | UK |
| Dundee.com | www.dundee.com | UK |