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Portland Cement Association
PCA's weekly e-newsletter has the latest information on new publications, resources, economic trends, and Washington news.
http://www.portcement.org/
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Precast/Prestressed Concrete Institute
The primary purpose of TechnoQuest is to allow producer executives to familiarize themselves firsthand with new plant technologies and make contacts with the people who use and supply these technologies.
http://www.pci.org/
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