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NAICS 813990 · Other Similar Organizations (except Business, Professional, Labor, and Political Organizations)

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Nonprofit organization in Castle Rock, CO

29 nonprofit organization in Castle Rock, CO; 1,392 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Aging Resources of Douglas County

    ActiveTax-exempt corporation registered in SAM.gov

    Castle Rock, CO

    Ask it
    Proof for Aging Resources of Douglas County
    SAM.gov registration
    SAM.gov W86NEMNZS9K9
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Apr 22, 2027
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  2. Castle Rock Community Inter-Church Task Force

    ActiveTax-exempt corporation registered in SAM.gov

    Castle Rock, CO

    Ask it
    Proof for Castle Rock Community Inter-Church Task Force
    SAM.gov registration
    SAM.gov HK5QFC81HWL3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Sep 23, 2027
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  3. Hardbeauty Foundation

    ActiveTax-exempt corporation registered in SAM.gov

    Castle Rock, CO

    Ask it
    Proof for Hardbeauty Foundation
    SAM.gov registration
    SAM.gov JG63DLC56BA8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Mar 24, 2027
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  4. Night Lights, Incorporated

    ActiveTax-exempt corporation registered in SAM.gov

    Castle Rock, CO

    Ask it
    Proof for Night Lights, Incorporated
    SAM.gov registration
    SAM.gov D3GNQBF7CAH5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    May 13, 2027
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  5. Platinum Traffic Engineering, P.C

    ActiveCorporation registered in SAM.gov

    Castle Rock, CO

    Ask it
    Proof for Platinum Traffic Engineering, P.C
    SAM.gov registration
    SAM.gov P43CQ8HB7ZB5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 25, 2027
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  6. 18 Principles Inc

    Active501(c)(3) public charity

    Castle Rock, CO

    Ask it
    Proof for 18 Principles Inc
    IRS exempt-organization registration
    IRS 262686998
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 262686998 → IRS search

  7. Basic Reads

    Active501(c)(3) public charity

    Castle Rock, CO

    Ask it
    Proof for Basic Reads
    IRS exempt-organization registration
    IRS 260643520
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 260643520 → IRS search

  8. Castle Rock Colorado Genealogical Society

    Active501(c)(3) public charity

    Castle Rock, CO

    Ask it
    Proof for Castle Rock Colorado Genealogical Society
    IRS exempt-organization registration
    IRS 461277190
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 461277190 → IRS search

  9. Castle Rock Elementary PTO

    Active501(c)(3) public charity

    Castle Rock, CO

    Ask it
    Proof for Castle Rock Elementary PTO
    IRS exempt-organization registration
    IRS 475175285
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 475175285 → IRS search

  10. Castle Rock Lifelong Learning Center

    Active501(c)(3) public charity

    Castle Rock, CO

    Ask it
    Proof for Castle Rock Lifelong Learning Center
    IRS exempt-organization registration
    IRS 841456891
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 841456891 → IRS search

  11. Castle Rock Writers

    Active501(c)(3) public charity

    Castle Rock, CO

    Ask it
    Proof for Castle Rock Writers
    IRS exempt-organization registration
    IRS 455459091
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 455459091 → IRS search

  12. Castle View Gridiron Club

    Active501(c)(3) public charity

    Castle Rock, CO

    Ask it
    Proof for Castle View Gridiron Club
    IRS exempt-organization registration
    IRS 812571122
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 812571122 → IRS search

  13. Church of the Rock, Inc

    ActiveTax-exempt corporation registered in SAM.gov

    Castle Rock, CO

    Ask it
    Proof for Church of the Rock, Inc
    SAM.gov registration
    SAM.gov MPLJEQP28NA6
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Apr 16, 2027
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  14. Colorado Agricultural Leadership Foundation Inc

    Active501(c)(3) public charity

    Castle Rock, CO

    Ask it
    Proof for Colorado Agricultural Leadership Foundation Inc
    IRS exempt-organization registration
    IRS 020657688
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 020657688 → IRS search

  15. Colorado Kids IN Business

    Active501(c)(3) public charity

    Castle Rock, CO

    Ask it
    Proof for Colorado Kids IN Business
    IRS exempt-organization registration
    IRS 413972948
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 413972948 → IRS search

  16. Digital Futures Initiative

    Active501(c)(3) public charity

    Castle Rock, CO

    Ask it
    Proof for Digital Futures Initiative
    IRS exempt-organization registration
    IRS 814596557
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 814596557 → IRS search

  17. Douglas County High School Band Boosters

    Active501(c)(3) public charity

    Castle Rock, CO

    Ask it
    Proof for Douglas County High School Band Boosters
    IRS exempt-organization registration
    IRS 841370828
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 841370828 → IRS search

  18. Douglas County Libraries Foundation

    Active501(c)(3) public charity

    Castle Rock, CO

    Ask it
    Proof for Douglas County Libraries Foundation
    IRS exempt-organization registration
    IRS 841207775
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 841207775 → IRS search

  19. Dream Maker

    Active501(c)(3) public charity

    Castle Rock, CO

    Ask it
    Proof for Dream Maker
    IRS exempt-organization registration
    IRS 992646501
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 992646501 → IRS search

  20. Eclipse Center for Excellence Inc

    Active501(c)(3) public charity

    Castle Rock, CO

    Ask it
    Proof for Eclipse Center for Excellence Inc
    IRS exempt-organization registration
    IRS 472175941
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Castle Rock, CO · serves Colorado
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 472175941 → IRS search

More cities in Colorado

Denver 748Boulder 169Colorado Spgs 144Colorado Springs 134Aurora 128Fort Collins 126Lakewood 81Littleton 81Arvada 67Durango 59Longmont 57Golden 51Greeley 45Centennial 44Englewood 43Grand Junction 42

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