ANSI/NSI 373 Sustainable Stone logo

    ANSI/NSI 373 Sustainable Stone

    Natural Stone Institute

    Guides eco-friendly stone sourcing and environmental practices.

    For Products
    Environmental
    Workers
    Industry
    Climate

    Key Strengths

    • ANSI-accredited standard lending credibility and market recognition
    • Covers full supply chain from quarrying to fabrication
    • Addresses environmental, social, and economic sustainability dimensions
    • Supports LEED and other green building credit pathways
    • Developed with industry input through the Natural Stone Institute
    • Provides a certified product label for marketing and differentiation

    Ideal For

    Best suited for natural stone quarries, fabricators, and distributors seeking to demonstrate environmental and social responsibility in their operations. Ideal for companies supplying stone to green building projects, LEED-certified developments, or clients with sustainability procurement requirements.

    Target Audiences

    Construction

    Relevant Roles

    Auditor
    Consultant

    Industries

    Building Materials
    Mining

    Alignment & Recognition

    Accrediting Body

    ANSI

    Recognized By

    • ANSI

    Product Categories

    Values/Processes
    Performance
    Alignment with External Standard

    Frequently Asked Questions

    Quick Facts

    Type

    Certification

    Regions
    Global
    North America
    Languages

    English

    Established

    2013

    How to Use This Label

    Public Seal/Badge
    Online Registry
    Marketing Toolkit

    Sources & Citations

    Content on this page is AI-enriched from primary sources.

    Natural Stone Institute

    Last verified Mar 6, 2026