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. Iowa Roofing Contractor Association

    EIN 421168819 · Headquarters: COGGON, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Iowa Rural Letter Carriers Associat

    EIN 237234172 · Headquarters: HARLAN, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Iowa Savings Bank Charitable Foundation

    EIN 421329826 · Headquarters: CARROLL, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  4. Iowa School Nurse Organization

    EIN 421206252 · Headquarters: Independence, IA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  5. Iowa School Social Workers Assoc

    EIN 352392949 · Headquarters: WATERLOO, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. Iowa Scottish Rite Masonic Foundation

    EIN 426060659 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Iowa Seed Association

    EIN 420769183 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Iowa Shares

    EIN 421392199 · Headquarters: IOWA CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Iowa Shorthorn Breeders Association

    EIN 421215507 · Headquarters: Osage, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Iowa Shrine Bowl Games Inc

    EIN 421005519 · Headquarters: CLIVE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Iowa Sigma Chapter of the Sigma Alpha Epsilon Fraternity

    EIN 420800047 · Headquarters: URBANDALE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Iowa Sigma Fraternal & Educational Association

    EIN 237273715 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  13. Iowa Ski Club

    EIN 237289058 · Headquarters: Clovis, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Iowa Sky Meditation Center Inc

    EIN 871235737 · Headquarters: Marion, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Iowa Small Employer Health Reinsurance Program

    EIN 421401298 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Iowa Society of Anesthesiologists

    EIN 426066162 · Headquarters: WEST DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Iowa Society of Association Executives

    EIN 421298089 · Headquarters: WEST DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Iowa Society of Certified Public Accountants

    EIN 420797094 · Headquarters: WEST DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Iowa Society of Farm Managers and Rural Appraisers

    EIN 237175701 · Headquarters: IOWA FALLS, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Iowa Soybean Association

    EIN 426127197 · Headquarters: Ankeny, Iowa, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Iowa Special Education Advocacy Resources for the Disabled Inc

    EIN 473960608 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  22. Iowa Specialty Crop Growers Associa

    EIN 426075850 · Headquarters: AMES, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. Iowa Speech-language-hearing

    EIN 426075853 · Headquarters: PLEASANT HILL, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Iowa Sports Foundation

    EIN 421278326 · Headquarters: AMES, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  25. Iowa Sports Turf Managers Association

    EIN 421310793 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Iowa State Aberdeen Angus Association

    EIN 420733448 · Headquarters: BOONE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Iowa State Al Anon Family Groups

    EIN 421416732 · Headquarters: BETTENDORF, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. Iowa State Assembly of Ast

    EIN 421643272 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Iowa State Association of Assessors

    EIN 426068811 · Headquarters: Keosauqua, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. Iowa State Association of Counties

    EIN 420984731 · Headquarters: West Des Moines, Iowa, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Iowa State Association of Letter Carriers

    EIN 237114843 · Headquarters: Des Moines, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Iowa State Association of the National Campers & Hikers Associat

    EIN 237098546 · Headquarters: Indianola, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Iowa State Aux Of Fraternal Eagles

    EIN 237143562 · Headquarters: Cedar Rapids, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Iowa State Bar Association

    EIN 420335370 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Iowa State Bowling Proprietors Assn

    EIN 420866233 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Iowa State Building & Construction Trades Council

    EIN 421148284 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. Iowa State Conference Ibew

    EIN 421228837 · Headquarters: CEDAR RAPIDS, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Iowa State Education Association

    EIN 420335775 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Iowa State Federation of Square Dance & Round Dance Club

    EIN 426269770 · Headquarters: Clearfield, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  40. Iowa State Gpaa Chapter

    EIN 371759987 · Headquarters: West Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  41. Iowa State Grange of the Order of Patrons of Husbandry

    EIN 510173717 · Headquarters: Kellogg, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Iowa State Horticultural Society

    EIN 426089343 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Iowa State Pigeon Association

    EIN 300644919 · Headquarters: Topeka, KS, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  44. Iowa State Police Association

    EIN 420934609 · Headquarters: GILBERTVILLE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Iowa State Police Association Legal Defense Fund

    EIN 326824906 · Headquarters: GILBERTVILLE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Iowa State Rabbit Breeders Association Inc

    EIN 471367040 · Headquarters: Dubuque, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Iowa State Reserve Law Officers Association Inc

    EIN 237401918 · Headquarters: Marshalltown, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  48. Iowa State Sheriffs' & Deputies' Association

    EIN 420869282 · Headquarters: WELLMAN, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  49. Iowa State Sheriffs' & Deputies' Association Institute Inc

    EIN 421349621 · Headquarters: WELLMAN, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  50. Iowa State Trapshooting Association

    EIN 426062689 · Headquarters: Cedar Falls, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Iowa State Triangle Fraternity Alumni and Housing Corporation

    EIN 922740898 · Headquarters: AMES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Iowa State Troopers Association

    EIN 237427085 · Headquarters: WALLINGFORD, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Iowa State University Chapter of Triangle Inc

    EIN 426081664 · Headquarters: AMES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Iowa State University Delta Chi Alumni Assoc & Building Corp

    EIN 426098801 · Headquarters: Ames, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Iowa State University of Science and Technology

    EIN 426004224 · Headquarters: AMES, IA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-T

  56. Iowa State University Student Chapter

    EIN 237328427 · Headquarters: Bethesda, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. Iowa State University Womens Club

    EIN 426056398 · Headquarters: AMES, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Iowa Storm Baseball Club Inc

    EIN 205727287 · Headquarters: West Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  59. Iowa Street Interfaith Housing Corporation

    EIN 952826179 · Headquarters: LEMON GROVE, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Iowa Street Rod Association Inc

    EIN 237256108 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Iowa Taekwondo Alliance

    EIN 463451283 · Headquarters: DES MOINES, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Iowa Talented & Gifted Association

    EIN 421127989 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Iowa Tall Corn Chapter of Club Managers Association

    EIN 421440142 · Headquarters: Marion, IA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  64. Iowa Taxpayers Association

    EIN 420336050 · Headquarters: Des Moines, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Iowa Technology and Education Connection

    EIN 421316575 · Headquarters: NEVADA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Iowa Thoroughbred Breeders and Owners Association

    EIN 421376030 · Headquarters: ALTOONA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Iowa Tire Dealers Association

    EIN 421052600 · Headquarters: DES MOINES, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Iowa Town and Country Young Womens Christian Assoc

    EIN 420680454 · Headquarters: Corning, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Iowa Trappers Association Inc

    EIN 421167520 · Headquarters: DEWITT, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Iowa Trio

    EIN 421307480 · Headquarters: Pella, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Iowa Trust Association

    EIN 510188600 · Headquarters: JOHNSTON, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Iowa Turfgrass Institute

    EIN 421221206 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Iowa Turkey Federation Inc

    EIN 420815721 · Headquarters: AMES, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Iowa United Basketball

    EIN 933389190 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Iowa Utility Association

    EIN 420987671 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Iowa Valley Community College Education Association

    EIN 421275204 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Iowa Valley Education Association

    EIN 237346184 · Headquarters: Marengo, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Iowa Valley Habitat for Humanity Inc

    EIN 421410210 · Headquarters: IOWA CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Iowa Values

    EIN 815224793 · Headquarters: CLIVE, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Iowa Vape Association

    EIN 844657830 · Headquarters: OTTUMWA, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Iowa Veterinary Medical Association

    EIN 420619332 · Headquarters: ANKENY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Iowa Veterinary Medical Association Foundation

    EIN 426079040 · Headquarters: ANKENY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  83. Iowa Virtual Music Teachers Associa Tion

    EIN 423489506 · Headquarters: Clinton, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Iowa Volleyball Association

    EIN 421213148 · Headquarters: CLIVE, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  85. Iowa Water Environment Association

    EIN 237447576 · Headquarters: AMES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Iowa Water Well Association

    EIN 421152203 · Headquarters: WEST DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  87. Iowa Watercolor Society

    EIN 421091715 · Headquarters: Buckingham, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Iowa Wesleyan College Employees Medical Plan & Trust

    EIN 363232208 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  89. Iowa Wesleyan University

    EIN 420680332 · Headquarters: Mount Pleasant, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  90. Iowa West Foundation

    EIN 421391990 · Headquarters: COUNCIL BLUFFS, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. Iowa Western Community College Higher Education Association

    EIN 421314064 · Headquarters: Council Bluffs, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Iowa Wholesale Beer Distributors Association

    EIN 420646300 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Iowa Wildlife Federation

    EIN 237326585 · Headquarters: Des Moines, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. Iowa Wine Growers Association

    EIN 201556852 · Headquarters: BONDURANT, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Iowa Winnie Hawks

    EIN 800274669 · Headquarters: Story City, IA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  96. Iowa Women in Natural Resources

    EIN 421322157 · Headquarters: Waterloo, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Iowa Work Based Learning Coordinators

    EIN 470966854 · Headquarters: Mt Pleasant, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Iowa Workers Compensation Advisory Committee Inc

    EIN 421252627 · Headquarters: Des Moines, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  99. Iowa Writers Corner

    EIN 473180416 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  100. Iowa-eastern Nebraska Moose Assoc Iation

    EIN 237129415 · Headquarters: Boone, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

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