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. Southwest Oklahoma Home Builders Association Inc

    EIN 730662752 · Headquarters: Lawton, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Southwest Oklahoma Opera Guild Inc

    EIN 731061825 · Headquarters: Lawton, OK, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  3. Southwest Oklahoma Society of Military Widows Chapter 6

    EIN 900446125 · Headquarters: Lawton, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Southwest Opportunities Center Inc

    EIN 391627835 · Headquarters: LANCASTER, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Southwest Optometric Society

    EIN 205932613 · Headquarters: DUNCANSVILLE, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Southwest Ouachita Waterworks Inc

    EIN 720737883 · Headquarters: West Monroe, LA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Southwest Oxford County Nutrition Inc

    EIN 200569574 · Headquarters: FRYEBURG, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Southwest Park and Recreation Training Institute

    EIN 752107057 · Headquarters: DALLAS, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Southwest Park Owners Association

    EIN 760229876 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Southwest Performing Arts Foundation

    EIN 860808741 · Headquarters: YUMA, AZ, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  11. Southwest Pipe Trades Association

    EIN 746063285 · Headquarters: LUBBOCK, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Southwest Pool and Spa Show

    EIN 751912896 · Headquarters: MONTGOMERY, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Southwest Power Pool

    EIN 710748158 · Headquarters: Little Rock, AR, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Southwest Professional Indemnity Co

    EIN 980047386 · Headquarters: GRAND CAYMAN, CI, CJ · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Southwest Psychoanalytic Society

    EIN 860690679 · Headquarters: TUCSON, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Southwest Public Workers' Union

    EIN 742657749 · Headquarters: SAN ANTONIO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Southwest Range & Wildlife Foundation

    EIN 742650744 · Headquarters: HORSESHOE BAY, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  18. Southwest Rankin Water Association

    EIN 640684507 · Headquarters: FLORENCE, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Southwest Real Estate Inc

    EIN 411889551 · Headquarters: Plymouth, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Southwest Region E A

    EIN 920157553 · Headquarters: Togiak, AK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Southwest Region of Federally Employed Women

    EIN 994468836 · Headquarters: GRETNA, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Southwest Regional Fund

    EIN 900398042 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Southwest Regional Joint Board Workers United

    EIN 430822854 · Headquarters: Grand Prairie, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Southwest Regional Medical Foundation Inc

    EIN 640629308 · Headquarters: MCCOMB, MS, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Southwest Reining Horse Association Inc

    EIN 731301481 · Headquarters: Byars, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Southwest Research & Information Center

    EIN 237159949 · Headquarters: ALBUQUERQUE, NM, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Southwest Research and Education Services

    EIN 742421960 · Headquarters: Dolores, CO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Southwest Research Institute Voluntary Employees Beneficiary Association

    EIN 741966423 · Headquarters: San Antonio, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Southwest Resource Council

    EIN 942718813 · Headquarters: HURRICANE, UT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Southwest Ridge Runners Inc

    EIN 411829357 · Headquarters: COTTONWOOD, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Southwest Rotary Pets Inc

    EIN 562607490 · Headquarters: Murrieta, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Southwest Rural Communities Fire

    EIN 710542589 · Headquarters: MALVERN, AR, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Southwest Rural Electric Assoc Inc

    EIN 730459033 · Headquarters: TIPTON, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Southwest Sandhills Water Supply Corp

    EIN 752429986 · Headquarters: MONAHANS, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. Southwest School Pta

    EIN 363542148 · Headquarters: GENESEO, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Southwest Section of the American Association of Petroleum Geologist

    EIN 756032973 · Headquarters: Midland, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Southwest Section of the Ninety Nines

    EIN 824862671 · Headquarters: LOS ANGELES, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Southwest Section of the Ninety Nines

    EIN 900734029 · Headquarters: Reno, NV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Southwest Section of the Ninety Nines Inc

    EIN 842354615 · Headquarters: Lahaina, HI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Southwest Section of the Ninety- Nines

    EIN 860636492 · Headquarters: SEDONA, AZ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Southwest Section of the Ninety- Nines Inc

    EIN 852252569 · Headquarters: Boulder City, NV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Southwest Section of the Ninety- Nines Inc

    EIN 852500190 · Headquarters: PAYSON, AZ, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  43. Southwest Section of the Ninety- Nines Inc

    EIN 853206472 · Headquarters: Prescott, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Southwest Section of the Ninety- Nines Inc

    EIN 853209549 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Southwest Section of the Ninety- Nines Inc

    EIN 861835519 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Southwest Section of the Ninety-nines

    EIN 510205068 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Southwest Section of the Ninety-nines

    EIN 510205090 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Southwest Section of the Ninety-nines

    EIN 510205117 · Headquarters: Palo Cedro, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Southwest Section of the Ninety-nines

    EIN 866037133 · Headquarters: sierra vista, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Southwest Section of the Ninety-nines

    EIN 942308881 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Southwest Section of the Ninety-nines Inc

    EIN 237055972 · Headquarters: Groveland, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Southwest Section of the Ninety-nines Inc

    EIN 237164503 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Southwest Section of the Ninety-nines Inc

    EIN 237323322 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Southwest Section of the Ninety-nines Inc

    EIN 237418231 · Headquarters: Santa Rosa, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Southwest Section of the Ninety-nines Inc

    EIN 237429122 · Headquarters: OKLAHOMA CITY, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Southwest Section of the Ninety-nines Inc

    EIN 237442969 · Headquarters: Fullerton, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Southwest Section of the Ninety-nines Inc

    EIN 330450331 · Headquarters: Winchester, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Southwest Section of the Ninety-nines Inc

    EIN 510205069 · Headquarters: Kailua, HI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Southwest Section of the Ninety-nines Inc

    EIN 510205070 · Headquarters: Alameda, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Southwest Section of the Ninety-nines Inc

    EIN 510205072 · Headquarters: Rancho Mirage, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Southwest Section of the Ninety-nines Inc

    EIN 510205079 · Headquarters: BRAWLEY, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Southwest Section of the Ninety-nines Inc

    EIN 510205083 · Headquarters: Torrance, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Southwest Section of the Ninety-nines Inc

    EIN 510205118 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Southwest Section of the Ninety-nines Inc

    EIN 510205120 · Headquarters: Carlsbad, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Southwest Section of the Ninety-nines Inc

    EIN 510205122 · Headquarters: Carson City, NV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Southwest Section of the Ninety-nines Inc

    EIN 510205123 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Southwest Section of the Ninety-nines Inc

    EIN 510205126 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Southwest Section of the Ninety-nines Inc

    EIN 510205128 · Headquarters: San Luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Southwest Section of the Ninety-nines Inc

    EIN 510205130 · Headquarters: Camarillo, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Southwest Section of the Ninety-nines Inc

    EIN 510209823 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. Southwest Section of the Ninety-nines Inc

    EIN 512005014 · Headquarters: Tempe, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Southwest Section of the Ninety-nines Inc

    EIN 680220304 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Southwest Section of the Ninety-nines Inc

    EIN 680429390 · Headquarters: Yuba City, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Southwest Section of the Ninety-nines Inc

    EIN 770204116 · Headquarters: Santa Maria, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Southwest Section of the Ninety-nines Inc

    EIN 941677014 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Southwest Section of the Ninety-nines Inc

    EIN 942763319 · Headquarters: Lake Havasu City, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Southwest Section of the Ninety-nines Inc

    EIN 952513114 · Headquarters: Fresno, CA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  78. Southwest Section of the Ninety-nines Inc

    EIN 954198649 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Southwest Section of the Ninety-nines Inc

    EIN 956117622 · Headquarters: SAN DIEGO, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Southwest Section of the Ninety-nines Inc

    EIN 956409207 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Southwest Section of the Pga

    EIN 860280141 · Headquarters: SCOTTSDALE, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Southwest Select Youth Basketball Organization

    EIN 334131739 · Headquarters: Prescott, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Southwest Senior Citizens Association

    EIN 510216972 · Headquarters: Richmond, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  84. Southwest Shakespeare Festival Inc

    EIN 861063689 · Headquarters: ODESSA, TX, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  85. Southwest Snipers Baseball Inc

    EIN 475301256 · Headquarters: Albuquerque, NM, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Southwest Society of Oral & Maxillofacial Surgeons

    EIN 746081887 · Headquarters: SAN ANTONIO, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. Southwest Society of Periodontists

    EIN 237293989 · Headquarters: PLANO, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Southwest Solutions Inc

    EIN 382672000 · Headquarters: DETROIT, MI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  89. Southwest Sportsmen Club Inc

    EIN 411224467 · Headquarters: MINNEOTA, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  90. Southwest Street Machines of Houston Texas

    EIN 741903014 · Headquarters: Houston, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Southwest Suburban Activists

    EIN 822919055 · Headquarters: FRANKFORT, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  92. Southwest Suburban Federation of Teachers Local 943

    EIN 362929254 · Headquarters: ORLAND PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Southwest Suburban Homebuilders' Assoc

    EIN 363028759 · Headquarters: ORLAND PARK, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Southwest Surge Swim Team

    EIN 882808512 · Headquarters: ENSIGN, KS, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  95. Southwest Swim Club

    EIN 411524388 · Headquarters: Marshall, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Southwest Swimming Association Inc

    EIN 430839723 · Headquarters: Columbia, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Southwest Techniplex Maint Assoc

    EIN 760136588 · Headquarters: Houston, TX, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  98. Southwest Tennessee Electric Membership Corporation

    EIN 620366645 · Headquarters: Washington, D.C., USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Southwest Texas Archaeological Society

    EIN 464970707 · Headquarters: San Antonio, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Southwest Texas Chapter - Aspa

    EIN 873341331 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

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