| tms.org | TMS - The Minerals, Metals & Materials Society |
| asnt.org | American Society for Nondestructive Testing |
| ashrae.org | American Society of Heating, Refrigerating, and Air-Conditioning Engineers |
| nist.gov | National Institute of Standards and Technology (NIST) |
| ieee.org | Institute of Electrical and Electronics Engineers |
| ceramics.org | The American Ceramic Society (ACerS) |
| smenet.org | SME - Society for Mining, Metallurgy and Exploration |
| epma.com | European Powder Metallurgy Association (EPMA) |
| cim.org | Canadian Institute of Mining, Metallurgy and Petroleum |
| bullion.org.za | Chamber of Mines of South Africa |
| tms.org | www.tms.org/ |
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