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. American Orff-schulwerk Association

    EIN 994641293 · Headquarters: El Paso, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. American Organization for Bodywork Therapies of Asia Inc

    EIN 510333897 · Headquarters: GLEN MILLS, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. American Organization for Nursing Leadership

    EIN 363591337 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. American Organization of Neurological Surgeons

    EIN 820985454 · Headquarters: Riverside, CA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  5. American Organization of Teachers of Portuguese Inc

    EIN 800382161 · Headquarters: Miami, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. American Oriental Cultural Foundation

    EIN 330053594 · Headquarters: Ontario, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  7. American Oriental Society

    EIN 060679121 · Headquarters: ANN ARBOR, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. American Orthodox Institute Inc

    EIN 200608717 · Headquarters: Estero, FL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. American Orthopaedic Association

    EIN 136118458 · Headquarters: ROSEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. American Orthopaedic Society for Sports Medicine

    EIN 237182780 · Headquarters: ROSEMONT, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. American Orthoptic Council Inc

    EIN 421206155 · Headquarters: MADISON, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. American Orthotic and Prosthetic Association

    EIN 530190441 · Headquarters: ALEXANDRIA, VA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  13. American Osler Society

    EIN 363409105 · Headquarters: SOUTH PASADENA, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. American Osteopathic Academy of Addiction Medicine

    EIN 222960229 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. American Osteopathic Academy of Orthopedics

    EIN 386073712 · Headquarters: RICHMOND, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. American Osteopathic Academy of Sports Medicine

    EIN 391599573 · Headquarters: Nashville, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  17. American Osteopathic College of Allergy & Immunology

    EIN 860694665 · Headquarters: FOUNTAIN HILLS, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. American Osteopathic College of Anesthesiologists Inc

    EIN 436052696 · Headquarters: LEXINGTON, KY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. American Osteopathic College of Dermatology

    EIN 386086295 · Headquarters: KIRKSVILLE, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. American Osteopathic College of Pathology

    EIN 382768048 · Headquarters: KIRKSVILLE, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. American Osteopathic College Of Physical Medicine

    EIN 362588676 · Headquarters: Nashville, TN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  22. American Osteopathic College Of Proctology Inc

    EIN 876123789 · Headquarters: Alexandria, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. American Osteopathic College of Radiology Inc

    EIN 431114642 · Headquarters: MILAN, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. American Osteopathic College of Rheumatology

    EIN 237385865 · Headquarters: STONE HARBOR, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. American Osteopathic Colleges of Opthalmology & Otolaryngology Hns

    EIN 311331723 · Headquarters: ALBUQUERQUE, NM, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. American Osteopathic Foundation

    EIN 366056120 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. American Ostrich Association

    EIN 760259170 · Headquarters: Kuna, ID, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. American Outlaws - Bakersfield Chapter

    EIN 821549487 · Headquarters: Bakersfield, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. American Outlaws - Dayton Oh Chapter

    EIN 473007038 · Headquarters: Huber Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  30. American Outlaws - Kearney Chapter

    EIN 474479167 · Headquarters: Kearney, NE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. American Outlaws Albuquerque Chapter

    EIN 475418628 · Headquarters: ALBUQUERQUE, NM, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  32. American Outlaws Anchorage Inc

    EIN 811462119 · Headquarters: Anchorage, AK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. American Outlaws Anderson Chapter

    EIN 812359926 · Headquarters: Anderson, SC, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  34. American Outlaws Austin Chapter

    EIN 821995318 · Headquarters: Austin, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. American Outlaws Baltimore Brigade Inc

    EIN 475660770 · Headquarters: Ellicott City, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. American Outlaws Bethlehem Chapter Inc

    EIN 831122617 · Headquarters: Easton, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. American Outlaws Birmingham Chapter Inc

    EIN 472195882 · Headquarters: Birmingham, AL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. American Outlaws Bloomington-normal Chapter Inc

    EIN 464730358 · Headquarters: Bloomington, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  39. American Outlaws Boston Chapter

    EIN 465692049 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. American Outlaws Bryan-college Station Chapter

    EIN 471009333 · Headquarters: College Station, TX, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  41. American Outlaws Central New Jersey Chapter

    EIN 414590725 · Headquarters: Rahway, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. American Outlaws Chicago Chapter Inc

    EIN 872547623 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. American Outlaws Cleveland Chapter Inc

    EIN 832589032 · Headquarters: Brecksville, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. American Outlaws Colorado Springs Chapter

    EIN 473802477 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  45. American Outlaws Columbus Chapter Inc

    EIN 851322290 · Headquarters: COLUMBUS, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  46. American Outlaws Dc Chapter

    EIN 455564711 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  47. American Outlaws Denver

    EIN 811275836 · Headquarters: Denver, CO, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  48. American Outlaws Des Moines Chapter

    EIN 413143676 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. American Outlaws Evansville Chapter Inc

    EIN 834147016 · Headquarters: Newburgh, IN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  50. American Outlaws Fort Collins Chapter

    EIN 883896949 · Headquarters: Fort Collins, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. American Outlaws Fort Worth Chapter Inc

    EIN 884212374 · Headquarters: Kennedale, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. American Outlaws Gainesville Chapter Inc

    EIN 474096615 · Headquarters: Gainesville, FL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. American Outlaws Hartford Chapter Inc

    EIN 463223415 · Headquarters: Burlington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. American Outlaws Inc

    EIN 262375641 · Headquarters: LINCOLN, NE, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  55. American Outlaws Iowa City Chapter

    EIN 813237800 · Headquarters: Iowa City, IA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  56. American Outlaws Kansas City Chapter

    EIN 473705449 · Headquarters: Lake Tapawingo, MO, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  57. American Outlaws Lancaster Chapter Inc

    EIN 463219380 · Headquarters: Lancaster, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. American Outlaws Lincoln Chapter Inc

    EIN 465590002 · Headquarters: LINCOLN, NE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. American Outlaws Macon Chapter Incorporated

    EIN 813735169 · Headquarters: Bonaire, GA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  60. American Outlaws Memphis Chapter

    EIN 813352054 · Headquarters: Bartlett, TN, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  61. American Outlaws Minneapolis-saint Paul Inc

    EIN 472639560 · Headquarters: Minneapolis, MN, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  62. American Outlaws Missoula Chapter Inc

    EIN 821501643 · Headquarters: Florence, MT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. American Outlaws New York City Inc

    EIN 814657650 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  64. American Outlaws Northern Vermont Chapter Inc

    EIN 831149516 · Headquarters: Colchester, VT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  65. American Outlaws Olympia Chapter 197

    EIN 831299688 · Headquarters: Olympia, WA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  66. American Outlaws Philadelphia Chapter

    EIN 813893703 · Headquarters: Levittown, PA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  67. American Outlaws Queens Chapter Inc

    EIN 933830297 · Headquarters: Merrick, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Outlaws Raleigh Chapter Inc

    EIN 813726200 · Headquarters: Durham, NC, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  69. American Outlaws Rochester Mn Chapt Er

    EIN 412843984 · Headquarters: Rochester, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. American Outlaws San Antonio Chapter Inc

    EIN 830983158 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. American Outlaws San Marcos Chapter

    EIN 815379152 · Headquarters: San Marcos, TX, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  72. American Outlaws Spokane Chapter

    EIN 822530227 · Headquarters: SPOKANE, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. American Outlaws Tampa Chapter Inc

    EIN 822304908 · Headquarters: Tampa, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. American Outlaws Wichita Chapter Inc

    EIN 821555114 · Headquarters: Fort Scott, KS, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. American Paddle Tennis Association

    EIN 462977438 · Headquarters: LOS ANGELES, CA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  76. American Paint Horse Association

    EIN 751104655 · Headquarters: FORT WORTH, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. American Pakistani Community in New York Inc

    EIN 455251679 · Headquarters: MUTTONTOWN, NY, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  78. American Paper & Twine Charitable Trust

    EIN 626046717 · Headquarters: NASHVILLE, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  79. American Paper Machinery Association

    EIN 521160736 · Headquarters: PEACHTREE CORNERS, GA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  80. American Partners Community Development Foundation

    EIN 332048591 · Headquarters: Rocky Mount, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. American Passion Play

    EIN 376045546 · Headquarters: BLOOMINGTON, IL, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  82. American Path Foundation Inc

    EIN 463024545 · Headquarters: Roosevelt Island, NY, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  83. American Pathology Foundation Private Practitioners of Pathology

    EIN 520730227 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. American Patriot Association

    EIN 851257840 · Headquarters: LUBBOCK, TX, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  85. American Patriot Fighters Inc

    EIN 931987204 · Headquarters: NEW BLOOMFIELD, MO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  86. American Patriot Project Inc

    EIN 933611611 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. American Patriot Vanguard Mc

    EIN 852495317 · Headquarters: YUCAIPA, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. American Patriots of North Florida

    EIN 332488551 · Headquarters: LIVE OAK, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. American Patriots Riders Club

    EIN 873163566 · Headquarters: Gilbert, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. American Payroll Association

    EIN 990256312 · Headquarters: Honolulu, HI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  91. American Payroll Association Dallas Chapter

    EIN 752198720 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. American Payroll Association of the Greater Nashville Chapter

    EIN 721572697 · Headquarters: Nashville, TN, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  93. American Payroll Institute Inc

    EIN 133124063 · Headquarters: SAN ANTONIO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. American Peanut Council

    EIN 530190322 · Headquarters: Alexandria, VA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  95. American Peanut Shellers Association Inc

    EIN 580435450 · Headquarters: ALBANY, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. American Pediatric Surgery Managers Assoc

    EIN 061336067 · Headquarters: Grove City, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. American Pediatric Surgical Association

    EIN 237097289 · Headquarters: EAST DUNDEE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. American Pediatric Surgical Association Foundation Inc

    EIN 593243373 · Headquarters: EAST DUNDEE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. American Pencreatic Association Inc

    EIN 431422062 · Headquarters: Fort Lauderdale, FL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. American Peptide Society Inc

    EIN 237086583 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

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