Unknown & Unclassified nonprofits in Idaho

Unknown & Unclassified nonprofits in Idaho. Browse 3,294 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. Sandpoint Math Boosters

    EIN 814394686 · Headquarters: Dover, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Sandpoint Soccer Association Inc

    EIN 820368640 · Headquarters: Ponderay, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Sandpoint Waldorf School Inc

    EIN 820454375 · Headquarters: Sandpoint, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Sar Shalom Ministries Inc

    EIN 330399446 · Headquarters: STAR, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  5. Save Our Schools Idaho Inc

    EIN 921442681 · Headquarters: BOISE, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Savenic Inc

    EIN 874524736 · Headquarters: COEUR DALENE, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Sawtooth Boosters Inc

    EIN 463502202 · Headquarters: Eagle, ID, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  8. Sawtooth Estates Water Users Association Inc

    EIN 820386372 · Headquarters: Mountain Home, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Sawtooth Interpretive and Historical Association

    EIN 820305044 · Headquarters: Stanley, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Sawtooth Mountain Mamas

    EIN 820371589 · Headquarters: Stanley, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Sawtooth Rangers Inc

    EIN 820358020 · Headquarters: BELLEVUE, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Scallywags Lacrosse Club Ltd

    EIN 272768517 · Headquarters: Boise, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Schneidmiller Family Foundation Inc Gary T Schneidmiller President

    EIN 820527600 · Headquarters: POST FALLS, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. School Disdtrict #150 Education Foundation

    EIN 820402812 · Headquarters: SODA SPRINGS, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. School District #25 Education Foundation

    EIN 820398260 · Headquarters: POCATELLO, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Schweitzer Chapel

    EIN 911003174 · Headquarters: Ponderay, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. Scotch Pines Golf Course Foundation

    EIN 842659240 · Headquarters: PAYETTE, ID, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  18. Scottish Rite Foundation of Idaho Inc

    EIN 820264356 · Headquarters: BOISE, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  19. Se Idaho Parkinsons Support and Outreach

    EIN 464967618 · Headquarters: Rigby, ID, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  20. Seagull Bay Yacht Club

    EIN 826007867 · Headquarters: POCATELLO, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Secure Idaho Elections Inc

    EIN 993583752 · Headquarters: Orofino, ID, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  22. Sego Lily Camp Daughters of the Utah Pioneer

    EIN 273641921 · Headquarters: Chubbuck, ID, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  23. Selkirk Conservation Alliance

    EIN 820418651 · Headquarters: PRIEST RIVER, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. Senior Citizens of Teton County Inc

    EIN 820330777 · Headquarters: Driggs, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Seniors Hospitality Center Inc

    EIN 820322268 · Headquarters: Bonners Ferry, ID, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  26. Serendipity Pageants Inc

    EIN 862031060 · Headquarters: IDAHO FALLS, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Sesitshaya Marimba

    EIN 934685702 · Headquarters: Moscow, ID, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. Seven Oaks Elementary Pta

    EIN 820497308 · Headquarters: EAGLE, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Sfpe Snake River Valley Chapter Inc

    EIN 825466464 · Headquarters: IDAHO FALLS, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  30. Shelley Lions Club

    EIN 711047696 · Headquarters: Shelley, ID, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  31. Shelley Soccer Inc

    EIN 932886306 · Headquarters: Shelley, ID, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. Shelley Youth Baseball

    EIN 455309506 · Headquarters: Shelley, ID, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  33. Shenandoah West Neighborhood Association Inc

    EIN 271379850 · Headquarters: Boise, ID, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  34. Shiloh Counseling Center Inc

    EIN 943053038 · Headquarters: Boise, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Shoreline Plaza Inc

    EIN 820374516 · Headquarters: Boise, ID, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  36. Shoshone County Community Concert Association

    EIN 820418131 · Headquarters: Wallace, ID, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  37. Shoshone County Fire Prevention Co-op

    EIN 820415639 · Headquarters: Osburn, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Shoshone County Mining & Smelting Museum Inc

    EIN 820400265 · Headquarters: Kellogg, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Shoshone County Public Shooting Range Inc

    EIN 205087123 · Headquarters: Smelterville, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Shoshone County Sportsmen Association Inc

    EIN 820164249 · Headquarters: WALLACE, ID, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  41. Shoshone County Womens Resource Center Inc

    EIN 820374610 · Headquarters: WALLACE, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. Shoshone Humane Society Inc

    EIN 820343302 · Headquarters: Kellogg, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Shoshone Indians Inc

    EIN 820327363 · Headquarters: Lava Hot Springs, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Shoshone Medical Center Foundation Inc

    EIN 820438297 · Headquarters: KELLOGG, ID, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  45. Shriners International

    EIN 237334439 · Headquarters: Sandpoint, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Shriners International

    EIN 237336629 · Headquarters: Moscow, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Shriners International

    EIN 237336631 · Headquarters: St Maries, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Shriners International

    EIN 237336632 · Headquarters: Bonners Ferry, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Shriners International

    EIN 237336637 · Headquarters: Lewiston, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Shriners International

    EIN 901141173 · Headquarters: Lewiston, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Shriners International Calam Shriners Group Return

    EIN 510154561 · Headquarters: Lewiston, ID, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  52. Sigma Chi Fraternity

    EIN 820201543 · Headquarters: MOSCOW, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Sigma Chi Fraternity

    EIN 820446519 · Headquarters: Caldwell, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Sigma Nu Fraternity Delta Omicron Chapter

    EIN 826024346 · Headquarters: Moscow, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Sigma Phi Epsilon Fraternity Inc

    EIN 921194126 · Headquarters: Boise, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Sigma Theta Tau Inc

    EIN 363479044 · Headquarters: Pocatello, ID, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. Silver and Gold Senior Citizens Center Inc

    EIN 820347188 · Headquarters: Eden, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  58. Silver City Historical Society Incorporated

    EIN 820445171 · Headquarters: Meridian, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Silver Sage Camp Daughters of Utah Pioneers

    EIN 820493852 · Headquarters: REXBURG, ID, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  60. Silver Spurs

    EIN 364785523 · Headquarters: Twin Falls, ID, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  61. Silver Valley Christian Academy

    EIN 820399537 · Headquarters: KELLOGG, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Silver Valley Economic Development Corporation

    EIN 820403273 · Headquarters: Wallace, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Silver Valley Fuller Center for Housing Inc

    EIN 820457633 · Headquarters: SMELTERVILLE, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Six Folds Inc

    EIN 394256467 · Headquarters: Emmett, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Sixth Street Melodrama Inc

    EIN 820397735 · Headquarters: WALLACE, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Skal International Boise-Idaho

    EIN 020587539 · Headquarters: Boise, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Skin Creek Water Assn Inc

    EIN 820264835 · Headquarters: BONNERS FERRY, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Skyline Gun Club Inc

    EIN 743237383 · Headquarters: IDAHO FALLS, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Skyliners Motor Club Inc

    EIN 465484235 · Headquarters: DRIGGS, ID, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  70. Slga

    EIN 815446773 · Headquarters: Meridian, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Slick Fork 4-H Club

    EIN 383924081 · Headquarters: SANDPOINT, ID, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  72. Slippery Gulch Association Inc

    EIN 826009031 · Headquarters: Wallace, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Sm Utilites

    EIN 263238534 · Headquarters: WORLEY, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Smith-welsh Foundation C/o Robert Welsh

    EIN 953958030 · Headquarters: HAILEY, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  75. Snake River Artisans

    EIN 454186839 · Headquarters: Gooding, ID, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  76. Snake River Boat Club Inc

    EIN 237023681 · Headquarters: Idaho Falls, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Snake River Canyon Kennel Club of Idaho Inc

    EIN 820337435 · Headquarters: HANSEN, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. Snake River Classic Inc

    EIN 830581042 · Headquarters: BLACKFOOT, ID, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  79. Snake River Cutthroats Trout Unlimited Chapter 163

    EIN 237355331 · Headquarters: IDAHO FALLS, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Snake River Elementary

    EIN 464845405 · Headquarters: NAMPA, ID, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  81. Snake River Family Assistance Inc

    EIN 454014372 · Headquarters: Blackfoot, ID, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  82. Snake River Gps Association

    EIN 640963207 · Headquarters: BLACKFOOT, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Snake River Heritage Center

    EIN 820351143 · Headquarters: Weiser, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Snake River Outpost Chapter No 1811 of Idaho E Clampus Tivus

    EIN 562524599 · Headquarters: Mountain Home, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Snake River Power Assocation Inc

    EIN 826009706 · Headquarters: MACKAY, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Snake River Region Chapter of the Gold Prospectors Association of Am

    EIN 813530728 · Headquarters: Twin Falls, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Snake River Splash

    EIN 884302817 · Headquarters: Lewiston, ID, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. Snake River Springer Spaniel Club I Nc

    EIN 820484733 · Headquarters: MERIDIAN, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Snake River Sugarbeet Growers Assn Inc

    EIN 820374496 · Headquarters: Boise, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Snake River Sugarbeet Research & Seed Alliance LLC

    EIN 461311082 · Headquarters: Jerome, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Snake River Table Grape Growers Association

    EIN 264281513 · Headquarters: Boise, ID, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  92. Snake River Trails Alliance Inc

    EIN 932870297 · Headquarters: Idaho Falls, ID, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Snake River Valley Building Contractors Association

    EIN 237168076 · Headquarters: NAMPA, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Snake River Versatile Gun Dog Club

    EIN 465369274 · Headquarters: Nampa, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Society For Epidemiologic Research

    EIN 521138509 · Headquarters: Eagle, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Society for Marketing Professional Services Idaho Chapter Inc

    EIN 871977807 · Headquarters: Boise, ID, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  97. Society For Pediatric and Perinatal EPIDEMIOLOGIC RESEARCH INC

    EIN 043027864 · Headquarters: Eagle, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 237033490 · Headquarters: Boise, ID, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  99. Society for Preservation & Encourmt of Barbershop Quartet Singing Amer

    EIN 820369584 · Headquarters: Coeur d Alene, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Society for Preservation & Encrgmnt of Barbershop Quartet Singing Amer

    EIN 237033504 · Headquarters: Chubbuck, ID, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

First page and all pages