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. Olmsted County Employees Assn

    EIN 411692106 · Headquarters: ROCHESTER, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Olmsted County Farm Bureau C/o Minnesota Farm Bureau Federation

    EIN 410738299 · Headquarters: ST CHARLES, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Olmsted County Historical Society

    EIN 410718368 · Headquarters: ROCHESTER, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Olmsted Falls Academic Boosters

    EIN 995069904 · Headquarters: Olmsted Falls, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Olmsted Falls Education Association

    EIN 341609544 · Headquarters: Olmsted Falls, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Olmsted Falls Endowment and Alumni

    EIN 341642301 · Headquarters: Olmsted Falls, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Olmsted Falls Masquers & Forensics Patrons

    EIN 455456490 · Headquarters: Strongsville, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Olmsted Falls Professional Firefighters Local 2373

    EIN 237454367 · Headquarters: Olmsted Falls, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Olmsted Historical Society

    EIN 237419903 · Headquarters: OLMSTED FALLS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Olmsted Manor

    EIN 251673723 · Headquarters: LUDLOW, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Olmsted-south Wabasha Corn & Soybean Growers Association

    EIN 275463763 · Headquarters: ELGIN, MN, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  12. Olney Amputee Dove Hunt

    EIN 475644234 · Headquarters: OLNEY, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  13. Olney Arts Council

    EIN 510179115 · Headquarters: OLNEY, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Olney Boys and Girls Community Sports Association Inc

    EIN 237008610 · Headquarters: OLNEY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Olney Chamber of Commerce

    EIN 370447473 · Headquarters: OLNEY, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. Olney Chamber of Commerce

    EIN 751437450 · Headquarters: Olney, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Olney Chamber of Commerce Inc

    EIN 521390825 · Headquarters: OLNEY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Olney Community Library Inc

    EIN 751738379 · Headquarters: OLNEY, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Olney Elementary School PTA

    EIN 521467131 · Headquarters: Olney, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Olney Friends School Inc

    EIN 340235480 · Headquarters: Barnesville, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Olney High School Alumni Association

    EIN 236463347 · Headquarters: Cheltenham, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Olney Industrial Development Corporation

    EIN 752358407 · Headquarters: OLNEY, TX, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  23. Olney Memorial Post 4226 Veterans of Foreign Wars

    EIN 370638696 · Headquarters: OLNEY, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Olney Mill Community Association Inc

    EIN 520904353 · Headquarters: OLNEY, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Olney Mill Swim Club Inc

    EIN 237155798 · Headquarters: Olney, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Olney Senior Cub Center Inc

    EIN 751721482 · Headquarters: OLNEY, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Olney Tiger Sports Boosters Inc

    EIN 371129003 · Headquarters: Olney, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Olney-walluski Water Association

    EIN 930478496 · Headquarters: ASTORIA, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Olori Temple Corporation

    EIN 813381069 · Headquarters: tampa, FL, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  30. Olots Inc

    EIN 920143552 · Headquarters: Anchorage, AK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Olpe and District No 2 Fire Department Equipment Account

    EIN 480972092 · Headquarters: Olpe, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Olr Wizards

    EIN 454483244 · Headquarters: Fresno, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  33. Olsc Charlotte

    EIN 932911956 · Headquarters: Charlotte, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Olson Foundation Incorporated

    EIN 333398380 · Headquarters: Oviedo, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Olson Middle School Pta

    EIN 411772714 · Headquarters: BLOOMINGTON, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Olson Tom & Cynthia Family Foundation

    EIN 461639212 · Headquarters: LINCOLN, NE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  37. Olson Tract Water Association

    EIN 473516049 · Headquarters: Los Gatos, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Olson-Kulka Foundation

    EIN 386074650 · Headquarters: Southfield, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  39. Olsson Family Foundation

    EIN 363652262 · Headquarters: LINCOLN, NE, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  40. Olt Residents' Council Christmas Gift Fund Inc

    EIN 392703981 · Headquarters: ORLANDO, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Oltmanns Ann Tuw Fbo Olqp

    EIN 386846036 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  42. Olton Cemetery Association

    EIN 751210856 · Headquarters: OLTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Olton Chamber of Commerce & Agriculture

    EIN 750989942 · Headquarters: OLTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. Olvia's Bears

    EIN 843058333 · Headquarters: NORTH TONAWANDA, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Olympia Area Dietetic Association

    EIN 364714575 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Olympia Area Square Dancers Inc

    EIN 900422654 · Headquarters: Olympia, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Olympia Baseball Inc

    EIN 454801087 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  48. Olympia Bridge Unit 441

    EIN 264614577 · Headquarters: OLYMOIA, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  49. Olympia Camera Club

    EIN 852815504 · Headquarters: LACEY, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  50. Olympia Chamber Orchestra

    EIN 911462919 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Olympia Coin Club Inc

    EIN 911642782 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Olympia Education Association

    EIN 237332836 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  53. Olympia Fields Country Club

    EIN 361580550 · Headquarters: OLYMPIA FIELDS, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Olympia Foursquare Church

    EIN 911074612 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-T

  55. Olympia Genealogical Society

    EIN 910987046 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Olympia Home Garden Club

    EIN 262612793 · Headquarters: Dothan, AL, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  57. Olympia Joint Port Labor Relations Committee

    EIN 910716581 · Headquarters: SAN FRANCISCO, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Olympia Kiwanis Club

    EIN 910283368 · Headquarters: Olympia, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Olympia Local Chapter of Democratic Socialists of America

    EIN 830718870 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  60. Olympia Lodge 186 Bene & Prot Order of Elks

    EIN 910142780 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Olympia Masonic Building Association

    EIN 910790149 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Olympia Masonic Cemetery

    EIN 910905177 · Headquarters: TUMWATER, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Olympia Master Builders

    EIN 916056428 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Olympia Orchid Society

    EIN 010964743 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  65. Olympia Outboard Boating Club

    EIN 916057707 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  66. Olympia Phiharmonic Society

    EIN 330329346 · Headquarters: ARCADIA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. Olympia Poetry Network

    EIN 911645361 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Olympia Ski Club

    EIN 916056240 · Headquarters: Tacoma, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Olympia Ski Group

    EIN 911934465 · Headquarters: OLYMPIA, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Olympia Street Rod Association

    EIN 911473000 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Olympia Symphony Orchestra

    EIN 916087694 · Headquarters: Olympia, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Olympia Tumwater Foundation

    EIN 910741161 · Headquarters: Tumwater, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. Olympia University of Business & Technology

    EIN 820985289 · Headquarters: OLYMPIA, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Olympia Weavers Guild

    EIN 911149506 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Olympia Wooden Boat Festival

    EIN 331582866 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Olympia Yacht Club

    EIN 910346680 · Headquarters: OLYMPIA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Olympia Yacht Club Anchorettes

    EIN 911532738 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  78. Olympians Inc

    EIN 916037502 · Headquarters: Hoquiam, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Olympic Athletic Club

    EIN 250702517 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  80. Olympic Athletic Club

    EIN 250960458 · Headquarters: DUBOIS, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Olympic Ballet Theatre

    EIN 237150349 · Headquarters: Edmonds, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Olympic Classic Thunderbird Club

    EIN 911312791 · Headquarters: SEATTLE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Olympic Climate Action

    EIN 364865255 · Headquarters: Port Angeles, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Olympic Collectible Expo

    EIN 813264680 · Headquarters: Silverdale, WA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  85. Olympic Fly Fishers

    EIN 263123924 · Headquarters: EDMONDS, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Olympic High School Scholarship Fund Class of 1985

    EIN 271655883 · Headquarters: Bremerton, WA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  87. Olympic Isle Inc

    EIN 237416132 · Headquarters: Atwood, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Olympic Lodge 37 Sons of Norway Building Association

    EIN 911317151 · Headquarters: PORT ANGELES, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Olympic Logging Conference

    EIN 910849584 · Headquarters: KALAMA, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  90. Olympic Massif Equine Network

    EIN 472354365 · Headquarters: Port Angeles, WA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  91. Olympic Medical Center Foundation

    EIN 911285758 · Headquarters: PORT ANGELES, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Olympic Mountain Rescue

    EIN 911000954 · Headquarters: BREMERTON, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Olympic Music Festival

    EIN 911061147 · Headquarters: PORT TOWNSEND, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Olympic Peninsula Audubon Society

    EIN 237258536 · Headquarters: Sequim, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Olympic Peninsula Chapter of the Military Officers Asso of America

    EIN 911246992 · Headquarters: Sequim, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Olympic Peninsula Paddlers Inc

    EIN 881325958 · Headquarters: SEQUIM, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  97. Olympic Peninsula Treasure Hunters

    EIN 372075229 · Headquarters: Bremerton, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Olympic Peninsula Visitor Bureau

    EIN 911355604 · Headquarters: PORT ANGELES, WA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. Olympic Sailing Association at New Orleans

    EIN 726030187 · Headquarters: NEW ORLEANS, LA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Olympic Shore Water Association

    EIN 352484819 · Headquarters: Belfair, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

First page and all pages