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

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Nonprofit organization in Port Jefferson, NY

Nonprofit organization in Port Jefferson, NY; 566 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Long Island Explorium

    ActiveTax-exempt corporation registered in SAM.gov

    Port Jefferson, NY

    CallAsk it
    Proof for Long Island Explorium
    SAM.gov registration
    SAM.gov EHYKKDAFGEY7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Aug 24, 2027
    Checked
    Nov 2, 2026
    Where
    Port Jefferson, NY · serves New York
    Phone
    (631) 331-3277
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  2. Theatre Three Productions Inc

    ActiveTax-exempt corporation registered in SAM.gov

    Port Jefferson, NY

    Ask it
    Proof for Theatre Three Productions Inc
    SAM.gov registration
    SAM.gov DPB5U6MMKH55
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Mar 28, 2027
    Checked
    Nov 2, 2026
    Where
    Port Jefferson, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  3. Twb Residential Opportunities II Inc

    ActiveTax-exempt corporation registered in SAM.gov

    Port Jefferson, NY

    Ask it
    Proof for Twb Residential Opportunities II Inc
    SAM.gov registration
    SAM.gov FFBEM6GJDMJ9
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Sep 4, 2027
    Checked
    Nov 2, 2026
    Where
    Port Jefferson, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  4. Twb Residential Opportunities, Inc.

    ActiveTax-exempt corporation registered in SAM.gov

    Port Jefferson, NY

    Ask it
    Proof for Twb Residential Opportunities, Inc.
    SAM.gov registration
    SAM.gov E18VUYBUVF34
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jul 9, 2027
    Checked
    Nov 2, 2026
    Where
    Port Jefferson, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  5. Port Jefferson EMS

    ActiveTax-exempt corporation registered in SAM.gov

    Mount Sinai, NY · 2 mi away

    CallAsk it
    Proof for Port Jefferson EMS
    SAM.gov registration
    SAM.gov NFE3BDN5L2V8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Aug 25, 2027
    Checked
    Nov 2, 2026
    Where
    Mount Sinai, NY · serves New York
    Phone
    (631) 473-2519
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  6. Emma S Clark Memorial Library Association

    ActiveTax-exempt corporation registered in SAM.gov

    East Setauket, NY · 3 mi away

    Ask it
    Proof for Emma S Clark Memorial Library Association
    SAM.gov registration
    SAM.gov DEC9TE73SU77
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Mar 19, 2027
    Checked
    Nov 2, 2026
    Where
    East Setauket, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  7. Setauket Presbyterian Church

    ActiveTax-exempt corporation registered in SAM.gov

    Setauket, NY · 3 mi away

    Ask it
    Proof for Setauket Presbyterian Church
    SAM.gov registration
    SAM.gov XL26VH29ZKN7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jun 17, 2027
    Checked
    Nov 2, 2026
    Where
    Setauket, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  8. Temple Isaiah

    ActiveTax-exempt corporation registered in SAM.gov

    Stony Brook, NY · 5 mi away

    Ask it
    Proof for Temple Isaiah
    SAM.gov registration
    SAM.gov N5HCE42CJBS5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Feb 18, 2027
    Checked
    Nov 2, 2026
    Where
    Stony Brook, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  9. Alternatives for Children

    ActiveTax-exempt corporation registered in SAM.gov

    East Setauket, NY · 3 mi away

    Ask it
    Proof for Alternatives for Children
    SAM.gov registration
    SAM.gov VQPGTGK7L9N3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Sep 3, 2027
    Checked
    Nov 2, 2026
    Where
    East Setauket, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  10. Caroline Church of Brookhaven

    ActiveTax-exempt corporation registered in SAM.gov

    Setauket, NY · 3 mi away

    Ask it
    Proof for Caroline Church of Brookhaven
    SAM.gov registration
    SAM.gov LFQPJ3TTUJ13
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Mar 9, 2027
    Checked
    Nov 2, 2026
    Where
    Setauket, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  11. Faculty-Student Assoc of State University of NY at Stony Brook

    Active501(c)(3) public charity

    Stony Brook, NY · 4 mi away

    Ask it
    Proof for Faculty-Student Assoc of State University of NY at Stony Brook
    IRS exempt-organization registration
    IRS 111986378
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Stony Brook, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 111986378 → IRS search

  12. Faith Baptist Church of Coram Youth Awareness Inc

    ActiveTax-exempt corporation registered in SAM.gov

    Coram, NY · 5 mi away

    Ask it
    Proof for Faith Baptist Church of Coram Youth Awareness Inc
    SAM.gov registration
    SAM.gov CM9GRHBNVS17
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jan 6, 2027
    Checked
    Nov 2, 2026
    Where
    Coram, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  13. Friends of the Port Jefferson Free Library

    Active501(c)(3) public charity

    Prt Jefferson, NY · 1 mi away

    Ask it
    Proof for Friends of the Port Jefferson Free Library
    IRS exempt-organization registration
    IRS 113427291
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Prt Jefferson, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 113427291 → IRS search

  14. Garden of Eden Educators Inc

    Active501(c)(3) public charity

    Stony Brook, NY · 5 mi away

    Ask it
    Proof for Garden of Eden Educators Inc
    IRS exempt-organization registration
    IRS 422079931
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Stony Brook, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 422079931 → IRS search

  15. Genesis Center for Empowerment

    Active501(c)(3) public charity

    Port Jeff Sta, NY · 2 mi away

    Ask it
    Proof for Genesis Center for Empowerment
    IRS exempt-organization registration
    IRS 030517040
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Port Jeff Sta, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 030517040 → IRS search

  16. George Dawson Foundation

    Active501(c)(3) public charity

    Port Jeff Sta, NY · 2 mi away

    Ask it
    Proof for George Dawson Foundation
    IRS exempt-organization registration
    IRS 208654732
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Port Jeff Sta, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 208654732 → IRS search

  17. George Link Jr Apartments Housing Development Fund CO Inc

    ActiveTax-exempt corporation registered in SAM.gov

    Coram, NY · 5 mi away

    Ask it
    Proof for George Link Jr Apartments Housing Development Fund CO Inc
    SAM.gov registration
    SAM.gov XZ2EN2NCHEC6
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jul 22, 2027
    Checked
    Nov 2, 2026
    Where
    Coram, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  18. Global Alliance Teaching Empowerment IN Entrepreneurship

    Active501(c)(3) public charity

    Coram, NY · 5 mi away

    Ask it
    Proof for Global Alliance Teaching Empowerment IN Entrepreneurship
    IRS exempt-organization registration
    IRS 393228441
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Coram, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 393228441 → IRS search

  19. Hope on Planet Earth

    Active501(c)(3) public charity

    East Setauket, NY · 3 mi away

    Ask it
    Proof for Hope on Planet Earth
    IRS exempt-organization registration
    IRS 993298651
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    East Setauket, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 993298651 → IRS search

  20. Hope Recharged Inc

    Active501(c)(3) public charity

    Coram, NY · 5 mi away

    Ask it
    Proof for Hope Recharged Inc
    IRS exempt-organization registration
    IRS 474211652
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Coram, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 474211652 → IRS search

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