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NAICS 813312 · Environment, Conservation and Wildlife Organizations

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Environmental organization in Washington, DC

361 environmental organization in Washington, DC; 364 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. 1 for 1 Foundation

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for 1 for 1 Foundation
    IRS exempt-organization registration
    IRS 880680831
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 880680831 → IRS search

  2. Acorn Outdoor Learning

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for Acorn Outdoor Learning
    IRS exempt-organization registration
    IRS 332806982
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 332806982 → IRS search

  3. Advanced Energy Institute

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for Advanced Energy Institute
    IRS exempt-organization registration
    IRS 800373801
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 800373801 → IRS search

  4. Ageing IN Place Resource Center Inc

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for Ageing IN Place Resource Center Inc
    IRS exempt-organization registration
    IRS 223237810
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 223237810 → IRS search

  5. Alaska Wilderness League

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for Alaska Wilderness League
    IRS exempt-organization registration
    IRS 521814742
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 521814742 → IRS search

  6. Alaska Wilderness League Action Inc

    Active501(c)(4) social welfare organization

    Washington, DC

    Ask it
    Proof for Alaska Wilderness League Action Inc
    IRS exempt-organization registration
    IRS 300233489
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(4) social welfare organization
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 300233489 → IRS search

  7. Alliance for Environmental Markets and Investments

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for Alliance for Environmental Markets and Investments
    IRS exempt-organization registration
    IRS 842345137
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 842345137 → IRS search

  8. Alliance for Just Deliberation on Solar Geoengineering Inc

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for Alliance for Just Deliberation on Solar Geoengineering Inc
    IRS exempt-organization registration
    IRS 920622322
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 920622322 → IRS search

  9. Alliance for Pulp & Paper Technology Innovation

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for Alliance for Pulp & Paper Technology Innovation
    IRS exempt-organization registration
    IRS 451610758
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 451610758 → IRS search

  10. Alliance for Tribal Clean Energy Inc

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for Alliance for Tribal Clean Energy Inc
    IRS exempt-organization registration
    IRS 882858979
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 882858979 → IRS search

  11. Alliance to Save Energy

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for Alliance to Save Energy
    IRS exempt-organization registration
    IRS 521082991
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 521082991 → IRS search

  12. Amazon Conservation Association

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for Amazon Conservation Association
    IRS exempt-organization registration
    IRS 522211305
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 522211305 → IRS search

  13. American Common Ground Council Inc

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for American Common Ground Council Inc
    IRS exempt-organization registration
    IRS 820993460
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 820993460 → IRS search

  14. American Conservation Coalition Action Inc

    Active501(c)(4) social welfare organization

    Washington, DC

    Ask it
    Proof for American Conservation Coalition Action Inc
    IRS exempt-organization registration
    IRS 822038028
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(4) social welfare organization
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 822038028 → IRS search

  15. American Conservation Coalition Inc

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for American Conservation Coalition Inc
    IRS exempt-organization registration
    IRS 823815628
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 823815628 → IRS search

  16. American Council for an Energy Efficient Economy

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for American Council for an Energy Efficient Economy
    IRS exempt-organization registration
    IRS 942711707
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 942711707 → IRS search

  17. American Critical Minerals Association

    Active501(c)(4) social welfare organization

    Washington, DC

    Ask it
    Proof for American Critical Minerals Association
    IRS exempt-organization registration
    IRS 880768296
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(4) social welfare organization
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 880768296 → IRS search

  18. American Flood Coalition Inc

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for American Flood Coalition Inc
    IRS exempt-organization registration
    IRS 831940124
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 831940124 → IRS search

  19. American Forest Foundation

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for American Forest Foundation
    IRS exempt-organization registration
    IRS 521235124
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 521235124 → IRS search

  20. American Forests

    Active501(c)(3) public charity

    Washington, DC

    Ask it
    Proof for American Forests
    IRS exempt-organization registration
    IRS 530196544
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Washington, DC · serves District of Columbia
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 530196544 → IRS search

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