- Cast Stone Institute - Non-profit trade association representing the architectural cast stone (concrete) industry, formed for the purpose of improving the quality of cast stone and disseminating information regarding its use. Based in Winder, Georgia.
www.caststone.org
- International Society of Weighing and Measurement's - ISWM - Non-profit organization serving its member manufacturers, distributors, government officials, end users, scale purchasers, and industry suppliers. Based in Winder, Georgia.
www.iswm.com
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