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

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Nonprofit organization in Waltham, MA

32 nonprofit organization in Waltham, MA. Every listing checked against the issuer's record, in the published order.

  1. Action for Good Governance Inc

    ActiveTax-exempt corporation registered in SAM.gov

    Waltham, MA

    Ask it
    Proof for Action for Good Governance Inc
    SAM.gov registration
    US-GSA-SAM H4DYMGX1JJ88
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    May 27, 2027
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  2. Boston Young Black Professionals, Inc

    ActiveOther organization registered in SAM.gov

    Waltham, MA

    Ask it
    Proof for Boston Young Black Professionals, Inc
    SAM.gov registration
    US-GSA-SAM D7RRD1H3F2P9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Other organization registered in SAM.gov
    Expires
    Mar 30, 2027
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  3. Charles River Museum of Industry Inc, Charles River Museum of Industry & Innovation

    ActiveTax-exempt corporation registered in SAM.gov

    Waltham, MA

    Ask it
    Proof for Charles River Museum of Industry Inc, Charles River Museum of Industry & Innovation
    SAM.gov registration
    US-GSA-SAM GJ8FC2MP8GR7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jun 5, 2027
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  4. Friends of the Waltham Family School, Inc.

    ActiveTax-exempt corporation registered in SAM.gov

    Waltham, MA

    Ask it
    Proof for Friends of the Waltham Family School, Inc.
    SAM.gov registration
    US-GSA-SAM C119LGLHAEN9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Dec 2, 2026
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  5. Healthy Waltham, Inc, Healthy Waltham Inc.

    ActiveTax-exempt corporation registered in SAM.gov

    Waltham, MA

    Ask it
    Proof for Healthy Waltham, Inc, Healthy Waltham Inc.
    SAM.gov registration
    US-GSA-SAM C51UNLEA1KU3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jan 6, 2027
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  6. Jewish Big Brother & Big Sister, Jewish Big Brothers Big Sisters of Greater Boston

    ActiveTax-exempt corporation registered in SAM.gov

    Waltham, MA

    Ask it
    Proof for Jewish Big Brother & Big Sister, Jewish Big Brothers Big Sisters of Greater Boston
    SAM.gov registration
    US-GSA-SAM FS8VYJQ9ZCH8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jul 29, 2027
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  7. Our Lady's Academy

    ActiveTax-exempt corporation registered in SAM.gov

    Waltham, MA

    Ask it
    Proof for Our Lady's Academy
    SAM.gov registration
    US-GSA-SAM XDUMRV4LBBN9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Aug 13, 2027
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  8. Revive IN Action Inc

    ActiveTax-exempt corporation registered in SAM.gov

    Waltham, MA

    Ask it
    Proof for Revive IN Action Inc
    SAM.gov registration
    US-GSA-SAM JW6VTVJN9LQ5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Nov 5, 2026
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  9. Universidad Simon Bolivar Alumni Association of America, Inc.

    ActiveTax-exempt corporation registered in SAM.gov

    Waltham, MA

    Ask it
    Proof for Universidad Simon Bolivar Alumni Association of America, Inc.
    SAM.gov registration
    US-GSA-SAM GUW4UE9WM795
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Apr 29, 2027
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  10. Waltham Boys and Girls Club, Inc.

    ActiveTax-exempt corporation registered in SAM.gov

    Waltham, MA

    Ask it
    Proof for Waltham Boys and Girls Club, Inc.
    SAM.gov registration
    US-GSA-SAM ZNRJKDQ2H5V9
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Feb 19, 2027
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  11. Waltham Committee Inc

    ActiveTax-exempt corporation registered in SAM.gov

    Waltham, MA

    Ask it
    Proof for Waltham Committee Inc
    SAM.gov registration
    US-GSA-SAM R8B7S5ZMKVD5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jul 17, 2027
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  12. Waltham Fields Community Farm, Community Farms Outreach Inc. D/B/A Waltham Fields Community

    ActiveTax-exempt corporation registered in SAM.gov

    Waltham, MA

    Ask it
    Proof for Waltham Fields Community Farm, Community Farms Outreach Inc. D/B/A Waltham Fields Community
    SAM.gov registration
    US-GSA-SAM TG3EHJJ92JC4
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Aug 12, 2027
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  13. Waltham Museum Inc the

    ActiveTax-exempt corporation registered in SAM.gov

    Waltham, MA

    Ask it
    Proof for Waltham Museum Inc the
    SAM.gov registration
    US-GSA-SAM FRFWG5BXKE76
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Oct 26, 2026
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  14. Downtown Waltham Partnership

    ActiveTax-exempt corporation registered in SAM.gov

    Waltham, MA

    Ask it
    Proof for Downtown Waltham Partnership
    SAM.gov registration
    US-GSA-SAM E82NLP37GPC5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Feb 26, 2027
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  15. Friends of Massachusetts Speech Language Hearing Association Inc

    Active501(c)(3) public charity

    Waltham, MA

    Ask it
    Proof for Friends of Massachusetts Speech Language Hearing Association Inc
    IRS exempt-organization registration
    US-IRS-EO 333625191
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  16. Friends of the Waltham Family School Inc

    Active501(c)(3) public charity

    Waltham, MA

    Ask it
    Proof for Friends of the Waltham Family School Inc
    IRS exempt-organization registration
    US-IRS-EO 462772840
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  17. Gann Academy the New Jewish High School Inc

    ActiveOther organization registered in SAM.gov

    Waltham, MA

    Ask it
    Proof for Gann Academy the New Jewish High School Inc
    SAM.gov registration
    US-GSA-SAM N79SDJLTKRF1
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Other organization registered in SAM.gov
    Expires
    Jan 21, 2027
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  18. Kids Are Scientists Too Incorporated

    Active501(c)(3) public charity

    Waltham, MA

    Ask it
    Proof for Kids Are Scientists Too Incorporated
    IRS exempt-organization registration
    US-IRS-EO 273404768
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

  19. Latinos En Accion DE Waltham MA Inc

    ActiveTax-exempt corporation registered in SAM.gov

    Waltham, MA

    Ask it
    Proof for Latinos En Accion DE Waltham MA Inc
    SAM.gov registration
    US-GSA-SAM XJJHP6J2BL54
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    May 22, 2027
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  20. Lavana Productions

    Active501(c)(3) public charity

    Waltham, MA

    Ask it
    Proof for Lavana Productions
    IRS exempt-organization registration
    US-IRS-EO 043479056
    Issuer
    US-IRS-EO
    Status
    Active
    Class
    501(c)(3) public charity
    Checked
    Oct 23, 2026
    Where
    Waltham, MA · serves Massachusetts
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-IRS-EO record

More cities in Massachusetts

Boston 475Cambridge 181Worcester 137Springfield 74Newton 66Lexington 56Pittsfield 52Brookline 51Lowell 44Jamaica Plain 42Roxbury 42Somerville 41Dorchester 40Lynn 39New Bedford 38Amherst 35

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