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NAICS 813312 · Environment, Conservation and Wildlife Organizations

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Environmental organization in Boulder, CO

69 environmental organization in Boulder, CO; 325 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. 1000 Gretas Foundation

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for 1000 Gretas Foundation
    IRS exempt-organization registration
    IRS 852597264
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 852597264 → IRS search

  2. 350 Colorado

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for 350 Colorado
    IRS exempt-organization registration
    IRS 463355370
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 463355370 → IRS search

  3. 350 Colorado Action

    Active501(c)(4) social welfare organization

    Boulder, CO

    Ask it
    Proof for 350 Colorado Action
    IRS exempt-organization registration
    IRS 822466390
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(4) social welfare organization
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 822466390 → IRS search

  4. Abundant Clean Water and Energy for All

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for Abundant Clean Water and Energy for All
    IRS exempt-organization registration
    IRS 384335974
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 384335974 → IRS search

  5. Acorn Nonprofit Capacity Building

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for Acorn Nonprofit Capacity Building
    IRS exempt-organization registration
    IRS 333014646
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 333014646 → IRS search

  6. Altai Institute for Research and Conservation Inc

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for Altai Institute for Research and Conservation Inc
    IRS exempt-organization registration
    IRS 824253427
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 824253427 → IRS search

  7. American Solar Energy Society Inc

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for American Solar Energy Society Inc
    IRS exempt-organization registration
    IRS 591768923
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 591768923 → IRS search

  8. Art Parts Creative Reuse Center

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for Art Parts Creative Reuse Center
    IRS exempt-organization registration
    IRS 462419105
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 462419105 → IRS search

  9. Blue Verve Project Inc

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for Blue Verve Project Inc
    IRS exempt-organization registration
    IRS 851442024
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 851442024 → IRS search

  10. Boulder Area Trails Coalition

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for Boulder Area Trails Coalition
    IRS exempt-organization registration
    IRS 841402239
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 841402239 → IRS search

  11. Boulder Carshare

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for Boulder Carshare
    IRS exempt-organization registration
    IRS 841472528
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 841472528 → IRS search

  12. Boulder Climbing Community

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for Boulder Climbing Community
    IRS exempt-organization registration
    IRS 453623399
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 453623399 → IRS search

  13. Boulder County Nature Association

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for Boulder County Nature Association
    IRS exempt-organization registration
    IRS 742243827
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 742243827 → IRS search

  14. Boulder Green Building Foundation

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for Boulder Green Building Foundation
    IRS exempt-organization registration
    IRS 205005787
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 205005787 → IRS search

  15. Boulder Open Space Conservancy

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for Boulder Open Space Conservancy
    IRS exempt-organization registration
    IRS 821716267
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 821716267 → IRS search

  16. Boulder Watershed Collective

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for Boulder Watershed Collective
    IRS exempt-organization registration
    IRS 842674914
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 842674914 → IRS search

  17. Buko Garden

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for Buko Garden
    IRS exempt-organization registration
    IRS 981833427
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 981833427 → IRS search

  18. Citizens for Clean Energy Inc

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for Citizens for Clean Energy Inc
    IRS exempt-organization registration
    IRS 841195070
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 841195070 → IRS search

  19. Clean Energy Action

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for Clean Energy Action
    IRS exempt-organization registration
    IRS 208556667
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 208556667 → IRS search

  20. Climate Justice Hive

    Active501(c)(3) public charity

    Boulder, CO

    Ask it
    Proof for Climate Justice Hive
    IRS exempt-organization registration
    IRS 992177830
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Boulder, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 992177830 → IRS search

More cities in Colorado

Denver 116Fort Collins 35Colorado Spgs 31Durango 19Golden 18Lakewood 17Littleton 17Carbondale 16Aurora 15Longmont 15Loveland 15Salida 15Aspen 12Centennial 12Grand Jct 11Pagosa Spgs 11

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