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NAICS 813312 · Environment, Conservation and Wildlife Organizations

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Environmental organization in Littleton, CO

17 environmental organization in Littleton, CO; 288 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Axolotl Renewable Energy Fund

    Active501(c)(3) public charity

    Littleton, CO

    Ask it
    Proof for Axolotl Renewable Energy Fund
    IRS exempt-organization registration
    IRS 993035641
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 993035641 → IRS search

  2. Citizens Progressive Alliance

    Active501(c)(3) public charity

    Littleton, CO

    Ask it
    Proof for Citizens Progressive Alliance
    IRS exempt-organization registration
    IRS 841456275
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 841456275 → IRS search

  3. Colorado Ag Water Alliance

    Active501(c)(3) public charity

    Littleton, CO

    Ask it
    Proof for Colorado Ag Water Alliance
    IRS exempt-organization registration
    IRS 832969510
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 832969510 → IRS search

  4. Colorado Wastewater Utility Council

    Active501(c)(3) public charity

    Littleton, CO

    Ask it
    Proof for Colorado Wastewater Utility Council
    IRS exempt-organization registration
    IRS 260013946
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 260013946 → IRS search

  5. Denver Audubon Society

    Active501(c)(3) public charity

    Littleton, CO

    Ask it
    Proof for Denver Audubon Society
    IRS exempt-organization registration
    IRS 237063701
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 237063701 → IRS search

  6. Earth Next Chapter

    Active501(c)(3) public charity

    Littleton, CO

    Ask it
    Proof for Earth Next Chapter
    IRS exempt-organization registration
    IRS 384321561
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 384321561 → IRS search

  7. Envirofriendly Foundation

    Active501(c)(3) public charity

    Littleton, CO

    Ask it
    Proof for Envirofriendly Foundation
    IRS exempt-organization registration
    IRS 263769448
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 263769448 → IRS search

  8. Friends of Roxborough State Park

    Active501(c)(3) public charity

    Littleton, CO

    Ask it
    Proof for Friends of Roxborough State Park
    IRS exempt-organization registration
    IRS 841338909
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 841338909 → IRS search

  9. Littleton Crabapple Trail Inc

    Active501(c)(3) public charity

    Littleton, CO

    Ask it
    Proof for Littleton Crabapple Trail Inc
    IRS exempt-organization registration
    IRS 320380509
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 320380509 → IRS search

  10. Madison Mountaineering Foundation

    Active501(c)(3) public charity

    Littleton, CO

    Ask it
    Proof for Madison Mountaineering Foundation
    IRS exempt-organization registration
    IRS 332736601
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 332736601 → IRS search

  11. Nature Fund for National Parks

    Active501(c)(3) public charity

    Littleton, CO

    Ask it
    Proof for Nature Fund for National Parks
    IRS exempt-organization registration
    IRS 800839774
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 800839774 → IRS search

  12. Roxborough Conservancy

    Active501(c)(3) public charity

    Littleton, CO

    Ask it
    Proof for Roxborough Conservancy
    IRS exempt-organization registration
    IRS 923022262
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 923022262 → IRS search

  13. Roxborough Park Foundation Conservation and Environmental Edu

    Active501(c)(3) private foundation

    Littleton, CO

    Ask it
    Proof for Roxborough Park Foundation Conservation and Environmental Edu
    IRS exempt-organization registration
    IRS 823229220
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) private foundation
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 823229220 → IRS search

  14. Rural Water Foundation of Douglas County

    Active501(c)(3) public charity

    Littleton, CO

    Ask it
    Proof for Rural Water Foundation of Douglas County
    IRS exempt-organization registration
    IRS 843730628
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 843730628 → IRS search

  15. Saving Yellowstone - Americas Majestic Ecosystem

    Active501(c)(3) private foundation

    Littleton, CO

    Ask it
    Proof for Saving Yellowstone - Americas Majestic Ecosystem
    IRS exempt-organization registration
    IRS 332515638
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) private foundation
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 332515638 → IRS search

  16. South Metro Land Conservancy

    Active501(c)(3) public charity

    Littleton, CO

    Ask it
    Proof for South Metro Land Conservancy
    IRS exempt-organization registration
    IRS 841275296
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 841275296 → IRS search

  17. Wild Fungal Trust

    Active501(c)(3) public charity

    Littleton, CO

    Ask it
    Proof for Wild Fungal Trust
    IRS exempt-organization registration
    IRS 334459638
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Littleton, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 334459638 → IRS search

  18. Barr Lake and Milton Reservoir Watershed Association

    Active501(c)(3) public charity

    Denver, CO · 4 mi away

    Ask it
    Proof for Barr Lake and Milton Reservoir Watershed Association
    IRS exempt-organization registration
    IRS 651250027
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Denver, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 651250027 → IRS search

  19. Cherry Hills Land Preserve Inc

    Active501(c)(3) public charity

    Englewood, CO · 4 mi away

    Ask it
    Proof for Cherry Hills Land Preserve Inc
    IRS exempt-organization registration
    IRS 421620661
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Englewood, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 421620661 → IRS search

  20. Colorado River School

    Active501(c)(3) public charity

    Englewood, CO · 5 mi away

    Ask it
    Proof for Colorado River School
    IRS exempt-organization registration
    IRS 823314087
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Englewood, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 823314087 → IRS search

More cities in Colorado

Denver 116Boulder 69Fort Collins 35Colorado Spgs 31Durango 19Golden 18Lakewood 17Carbondale 16Aurora 15Longmont 15Loveland 15Salida 15Aspen 12Centennial 12Grand Jct 11Pagosa Spgs 11

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