de la tierra stoneworks, Portland, Or


Natural Stone Institute (
The Natural Stone Institute (NSI) serves as the authoritative source of information on standards of natural stone workmanship and practice and the suitable application of natural stone products. Membership in the association is worldwide and includes, fabricators, finishers, installers, and industry suppliers.
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Natural Stone Council (
The Natural Stone Council (NSC) is a collaborative organization representing business and trade associations (including the NSI) that promote natural stone under the Genuine Stone® brand. NSC is committed to supporting sustainable initiatives and innovations by identifying industry best practices and providing assistance in implementing environmentally-preferable operations.

Northwest Stone Sculptors Association (
The Northwest Stone Sculptors Association (NWSSA) is a 501c nonprofit membership organization. Through its community of regional, national, and international stone sculptors, it provides members with support, educational opportunities (annual symposia, carving events), and a network of exhibits.

2312 nw 30th avenue : portland, or  97210-2012 : t (503) 720 6127 : : ccb-167799 : wa-delatlt944d9

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