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NAICS 541715 · Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)

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Research institute in Cos Cob, CT

Research institute in Cos Cob, CT; 77 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Astronomical Society of Greenwich

    Active501(c)(3) public charity

    Cos Cob, CT

    Ask it
    Proof for Astronomical Society of Greenwich
    IRS exempt-organization registration
    IRS 453188575
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Cos Cob, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 453188575 → IRS search

  2. Hopper Belmont Foundation Inc

    Active501(c)(3) public charity

    Cos Cob, CT

    Ask it
    Proof for Hopper Belmont Foundation Inc
    IRS exempt-organization registration
    IRS 843556580
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Cos Cob, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 843556580 → IRS search

  3. Alsa Research, LLC

    ActiveCorporation registered in SAM.gov

    Stamford, CT · 4 mi away

    Ask it
    Proof for Alsa Research, LLC
    SAM.gov registration
    SAM.gov JUBUVXYGXPQ3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 7, 2027
    Checked
    Nov 2, 2026
    Where
    Stamford, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  4. Apiject Systems America, Inc.

    ActiveCorporation registered in SAM.gov

    Stamford, CT · 4 mi away

    Ask it
    Proof for Apiject Systems America, Inc.
    SAM.gov registration
    SAM.gov G9VQESMM8525
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Oct 29, 2027
    Checked
    Nov 2, 2026
    Where
    Stamford, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  5. Atlas Guide Corp.

    ActiveCorporation registered in SAM.gov

    Stamford, CT · 3 mi away

    Ask it
    Proof for Atlas Guide Corp.
    SAM.gov registration
    SAM.gov PZEXF9VUD7A2
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 14, 2027
    Checked
    Nov 2, 2026
    Where
    Stamford, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  6. Aurum Systems, Inc.

    ActiveCorporation registered in SAM.gov

    Stamford, CT · 3 mi away

    Ask it
    Proof for Aurum Systems, Inc.
    SAM.gov registration
    SAM.gov EFB9U5XN9W16
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 16, 2027
    Checked
    Nov 2, 2026
    Where
    Stamford, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  7. Kindle Biosciences, LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Greenwich, CT · 4 mi away

    Ask it
    Proof for Kindle Biosciences, LLC
    SAM.gov registration
    SAM.gov HEA5CA1PHVR3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Nov 17, 2026
    Checked
    Nov 2, 2026
    Where
    Greenwich, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  8. Navigtr Inc

    ActiveCorporation registered in SAM.gov

    Old Greenwich, CT · 2 mi away

    Ask it
    Proof for Navigtr Inc
    SAM.gov registration
    SAM.gov GTCCKJQNH7Z6
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Oct 9, 2027
    Checked
    Nov 2, 2026
    Where
    Old Greenwich, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  9. Nvizix LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Stamford, CT · 3 mi away

    Ask it
    Proof for Nvizix LLC
    SAM.gov registration
    SAM.gov FNTKCJUX8H23
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jul 30, 2027
    Checked
    Nov 2, 2026
    Where
    Stamford, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  10. Reflector Bio Inc

    ActiveCorporation registered in SAM.gov

    Stamford, CT · 3 mi away

    Ask it
    Proof for Reflector Bio Inc
    SAM.gov registration
    SAM.gov RWWJQFGB5GE5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 9, 2027
    Checked
    Nov 2, 2026
    Where
    Stamford, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  11. Webomates, Inc

    ActiveCorporation registered in SAM.gov

    Stamford, CT · 4 mi away

    Ask it
    Proof for Webomates, Inc
    SAM.gov registration
    SAM.gov UEE4T91V3HZ5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 8, 2027
    Checked
    Nov 2, 2026
    Where
    Stamford, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  12. Adventures IN Astronomy Inc

    Active501(c)(3) public charity

    Greenwich, CT · 4 mi away

    Ask it
    Proof for Adventures IN Astronomy Inc
    IRS exempt-organization registration
    IRS 920559324
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Greenwich, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 920559324 → IRS search

  13. Astronomy Beyond Borders Inc

    Active501(c)(3) public charity

    Stamford, CT · 3 mi away

    Ask it
    Proof for Astronomy Beyond Borders Inc
    IRS exempt-organization registration
    IRS 871806241
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Stamford, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 871806241 → IRS search

  14. Beljanski Foundation Inc

    Active501(c)(3) public charity

    Greenwich, CT · 2 mi away

    Ask it
    Proof for Beljanski Foundation Inc
    IRS exempt-organization registration
    IRS 134086570
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Greenwich, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 134086570 → IRS search

  15. Cultivaite Futures Inc

    Active501(c)(3) private foundation

    Stamford, CT · 4 mi away

    Ask it
    Proof for Cultivaite Futures Inc
    IRS exempt-organization registration
    IRS 394228465
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) private foundation
    Checked
    Oct 23, 2026
    Where
    Stamford, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 394228465 → IRS search

  16. Freefare Inc

    Active501(c)(3) public charity

    Stamford, CT · 3 mi away

    Ask it
    Proof for Freefare Inc
    IRS exempt-organization registration
    IRS 332211986
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Stamford, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 332211986 → IRS search

  17. General Network Service Inc

    ActiveCorporation registered in SAM.gov

    Stamford, CT · 3 mi away

    Ask it
    Proof for General Network Service Inc
    SAM.gov registration
    SAM.gov U6AKKLCSWB87
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 10, 2027
    Checked
    Nov 2, 2026
    Where
    Stamford, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  18. Heffter Research Institute

    Active501(c)(3) public charity

    Greenwich, CT · 2 mi away

    Ask it
    Proof for Heffter Research Institute
    IRS exempt-organization registration
    IRS 851073501
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Greenwich, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 851073501 → IRS search

  19. Small World Initiative Inc

    Active501(c)(3) public charity

    Old Greenwich, CT · 2 mi away

    Ask it
    Proof for Small World Initiative Inc
    IRS exempt-organization registration
    IRS 811772308
    Issuer
    IRS
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Old Greenwich, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 811772308 → IRS search

  20. Valient TX, Inc

    ActiveCorporation registered in SAM.gov

    Stamford, CT · 3 mi away

    Ask it
    Proof for Valient TX, Inc
    SAM.gov registration
    SAM.gov C3BHNLAM3MD7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 3, 2027
    Checked
    Nov 2, 2026
    Where
    Stamford, CT · serves Connecticut
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

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