Unknown & Unclassified nonprofits

Unknown & Unclassified nonprofits. Browse 557,756 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Sinclair Lewis Foundation

    EIN 416040034 · Headquarters: SAUK CENTRE, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Sinclairville Free Library

    EIN 222521113 · Headquarters: Sinclairville, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Sindh Skills Development Program

    EIN 993442555 · Headquarters: FORDS, NJ, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Sindhi Association of North America

    EIN 133698207 · Headquarters: Gaithersburg, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  5. Sindhi Association of Southern Ca

    EIN 330269065 · Headquarters: NORWALK, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. Sinesky Charitable Fam Tr

    EIN 226628897 · Headquarters: Teaneck, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Sinfonia Orchestral Society Inc

    EIN 852429490 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Sing Don't Fight Foundation

    EIN 934436086 · Headquarters: AKRON, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  9. Sing It Out

    EIN 273105122 · Headquarters: Wichita, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Sing Sing Lts Local2951

    EIN 471169144 · Headquarters: Ossining, NY, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  11. Singapore American School Foundation

    EIN 136266797 · Headquarters: Princeton, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Singapore University of Social Sciences

    EIN 981817397 · Headquarters: Singapore, SN · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Singer Fishing Team

    EIN 821511578 · Headquarters: DeRidder, LA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  14. Singer Island Civic Association

    EIN 237445268 · Headquarters: Riviera Beach, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Singer John Stephen Foundation

    EIN 510203748 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  16. Singer Julia M Charitable Tr

    EIN 256018885 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  17. Singers Consortia

    EIN 900799112 · Headquarters: Canyon, TX, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  18. Singers Performers Actors Repertory Ensemble Productions Incorporated

    EIN 465553724 · Headquarters: Vestal, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Singh Foundation Inc

    EIN 133719319 · Headquarters: New York, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Singing Boys Of Rockford

    EIN 362603214 · Headquarters: Rockford, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Singing Boys of Sioux Falls

    EIN 460389502 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  22. Singing City

    EIN 231516921 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Singing Dog Farm Inc

    EIN 814823783 · Headquarters: Snow Camp, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Singing for Seniors

    EIN 452393937 · Headquarters: Naperville, IL, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  25. Singing Hills Commercial Property Owners Association Inc

    EIN 475635086 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  26. Singing Meadows Neighborhood

    EIN 842390569 · Headquarters: Pittsboro, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Singing River Charter Chapter Abwa

    EIN 640625515 · Headquarters: Moss Point, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Singing River Electric Cooperative

    EIN 640239641 · Headquarters: Lucedale, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Singing River Health System

    EIN 646000515 · Headquarters: GAUTIER, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  30. Singing River Health System

    EIN 851538878 · Headquarters: Gulfport, MS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  31. Singing River Lodge No 633

    EIN 640662371 · Headquarters: Gautier, MS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Singing River Project Inc

    EIN 871107849 · Headquarters: MUSCLE SHOALS, AL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Singing River Yacht Club Inc

    EIN 640589974 · Headquarters: PASCAGOULA, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Singing Wood Foundation Inc

    EIN 132557966 · Headquarters: REDMOND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  35. Singing Wood Hill Homeowners Assn

    EIN 953252994 · Headquarters: PALM SPRINGS, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Single Beachcombers of the Villages Sbv Inc

    EIN 465333932 · Headquarters: Lady Lake, FL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  37. Single Boomers Social Club

    EIN 453515989 · Headquarters: Santa Rosa, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  38. Single Cyclists

    EIN 680291107 · Headquarters: San Rafael, CA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  39. Single Issue Inc

    EIN 831284803 · Headquarters: Buffalo, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Single Mothers by Choice Inc

    EIN 112664913 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  41. Single Mothers in Christ Ministries

    EIN 463430944 · Headquarters: ATLANTA, GA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. Single Mothers Surviving by Grace Inc

    EIN 462132356 · Headquarters: Brooklyn, NY, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  43. Single Parent Christian Fellowship

    EIN 272647941 · Headquarters: BLOOMINGTON, MN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  44. Single Parent Network

    EIN 813827050 · Headquarters: Dacula, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Single Parent Residence Program Inc

    EIN 205017601 · Headquarters: Mitchellville, MD, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  46. Single Parent Stop

    EIN 842378833 · Headquarters: RENO, NV, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  47. Single Parent Superstars Inc

    EIN 862965576 · Headquarters: CLARKSBURG, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Single Parents Advocacy and Resource Center

    EIN 852469051 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Single Payer Action Network Ohio Co Kurt Bateman

    EIN 341946311 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. Single Professionals Network of San Antonio

    EIN 460695922 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Single Roses Foundation Inc

    EIN 873771209 · Headquarters: NORCROSS, GA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  52. Single Socks Inc

    EIN 300527073 · Headquarters: Silver City, NM, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Single Squares of Jackson

    EIN 301171871 · Headquarters: Jackson, MI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. Single Trees Square Dance Club of Eugene Oregon

    EIN 930885162 · Headquarters: Eugene, OR, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  55. Single Womens Action Network Co

    EIN 471174187 · Headquarters: NORMAN, OK, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  56. Singleness of Heart Ministries Inc

    EIN 301402445 · Headquarters: Fredericksburg, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Singles Again Inc

    EIN 510151102 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Singles Available for Community Service

    EIN 470900145 · Headquarters: Overland Park, KS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. Singles Club of Lake Providence

    EIN 472933983 · Headquarters: Mount Juliet, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Singles for Sailing Inc

    EIN 382377254 · Headquarters: Eastpointe, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Singles in Agriculture

    EIN 391592884 · Headquarters: GUSTINE, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. Singles on Sailboats Inc

    EIN 521278284 · Headquarters: Annapolis, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Singles on the Go Inc

    EIN 651052789 · Headquarters: Venice, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Singles Under Sail Inc

    EIN 223098471 · Headquarters: NEW CANAAN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Singles United Inc

    EIN 333344390 · Headquarters: St Augustine, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Singletary Rod & Gun Club Inc

    EIN 046068356 · Headquarters: Oxford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Singleton Cemetery Perpetual Care Association

    EIN 710649406 · Headquarters: CHARLESTON, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Singleton's Care Inc Singleton's Care Inc

    EIN 341320456 · Headquarters: MIDDLEFIELD, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  69. Singletree Ministries and Outreach Inc

    EIN 814785836 · Headquarters: Coden, AL, USA · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  70. Singro

    EIN 900856069 · Headquarters: Tampa, FL, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  71. Singular of Purpose

    EIN 473347693 · Headquarters: Saint Albans, WV, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  72. Singularity Film Inc

    EIN 931391027 · Headquarters: Foster City, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Singularity Solar Energy

    EIN 273837897 · Headquarters: Mckinney, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  74. Sinissippi Trail Hawks Inc

    EIN 237439037 · Headquarters: Hustisford, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Sinister Kings Mc

    EIN 461210364 · Headquarters: shamokin, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Sinking Deep Ministry

    EIN 393027144 · Headquarters: Newbury Park, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Sinking Spring High School Alumni Memorial Fund

    EIN 272667792 · Headquarters: Robesonia, PA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  78. Sinkler Miller Medical Association

    EIN 943101790 · Headquarters: OAKLAND, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Sinn Fein Society of Savannah Inc

    EIN 473105565 · Headquarters: SAVANNAH, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Sinnamahoning Volunteer Fire Department

    EIN 256055871 · Headquarters: Sinnamahoning, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Sinner to Sinner Ministries Inc

    EIN 833763367 · Headquarters: TEMPLE, GA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Sinnissippi Audubon Society

    EIN 611597198 · Headquarters: Rockford, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Sino American Assoc for Buddhist Practices Inc

    EIN 953640642 · Headquarters: ANAHEIM, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Sino American Buddhist Cultural Center Inc

    EIN 953315547 · Headquarters: Downey, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Sino American Trade Development Association

    EIN 472172957 · Headquarters: TEMPLE CITY, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  86. Sino-american Business Association Corp

    EIN 412041076 · Headquarters: Flushing, NY, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  87. Sino-american Century Educational Foundation

    EIN 814826038 · Headquarters: SEAL BEACH, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Sino-american Certified Public Accountants Association

    EIN 330632138 · Headquarters: CITY OF INDUSTRY, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Sino-american Finance Association

    EIN 812889235 · Headquarters: EL MONTE, CA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  90. Sino-american Industrial Technologies Association

    EIN 465416562 · Headquarters: Edison, NJ, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  91. Sino-american Photographers Association Inc

    EIN 812832817 · Headquarters: WEST BABYLON, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Sino-american Population Health Management Association

    EIN 834067349 · Headquarters: Millwood, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Sino-us Business and Culture Foundation Inc

    EIN 273204533 · Headquarters: ROSWELL, GA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  94. Sinohope Fundation Inc

    EIN 813214547 · Headquarters: Flushing, NY, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  95. Sinsinawa Dominicans Inc

    EIN 390816854 · Headquarters: SINSINAWA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  96. Sinsinawa Housing Inc

    EIN 391950325 · Headquarters: SINSINAWA, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Sinsinawa Nursing Inc

    EIN 391958028 · Headquarters: WATERTOWN, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Sinto Senior Activity Center

    EIN 910685298 · Headquarters: SPOKANE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Sinton Cemetery Association

    EIN 741271966 · Headquarters: SINTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Sinton Chamber of Commerce

    EIN 741073733 · Headquarters: SINTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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