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 Society of Craniofacial Surgery Inc

    EIN 954354450 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. American Society of Crime Laboratory Directors

    EIN 521073574 · Headquarters: GARNER, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. American Society of Criminologyinc

    EIN 616035485 · Headquarters: COLUMBUS, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. American Society of Cytopathology Inc

    EIN 042255896 · Headquarters: WILMINGTON, DE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. American Society of Dentist Anesthesiologists

    EIN 363996993 · Headquarters: BARTLETT, IL, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. American Society of Dermatopathology

    EIN 956197518 · Headquarters: BANNOCKBURN, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. American Society of Dowsers Inc

    EIN 036010613 · Headquarters: DANVILLE, VT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. American Society of Echocardiography Incorporated

    EIN 310899106 · Headquarters: Durham, NC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. American Society of Employers

    EIN 380519450 · Headquarters: TROY, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. American Society of Extracorporeal Technology Inc

    EIN 416057985 · Headquarters: MINNEAPOLIS, MN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. American Society of Farm Managers & Rural Appraisers Inc

    EIN 363353183 · Headquarters: Ankeny, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. American Society of Farm Managers and Rural Appraisers Inc

    EIN 362443304 · Headquarters: GLENDALE, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. American Society of Farm Managers Rural Appraisers

    EIN 582130731 · Headquarters: Chickamauga, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. American Society of Farm Managers Rural Appraisers Oregon Chapter

    EIN 930771395 · Headquarters: Salem, OR, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  15. American Society of Gas Engineers

    EIN 340811512 · Headquarters: INDEPENDENCE, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. American Society of General Surgeons

    EIN 363853170 · Headquarters: Mendota Heights, MN, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  17. American Society of Golf Course Architects

    EIN 366141600 · Headquarters: BROOKFIELD, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. American Society of Heating (ASHRAE)

    EIN 166071509 · Headquarters: Rochester, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. American Society of Heating Hawaii

    EIN 990165063 · Headquarters: Honolulu, HI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  20. American Society of Heating Refridgerating & A-c Engineers

    EIN 364331611 · Headquarters: Davenport, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. American Society of Heating Refridgerating & Ac Engineers

    EIN 371520341 · Headquarters: Oklahoma City, OK, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. American Society of Heating Refrig & A/c Engineers (Houston Chapter)

    EIN 746189673 · Headquarters: HOUSTON, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. American Society of Heating Refrig & Air Cond Engineer 004 Connecticut

    EIN 061137720 · Headquarters: CROMWELL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. American Society of Heating Refrigerati on and Air Conditioning Engineers

    EIN 510201375 · Headquarters: Phoenix, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. American Society of Heating Refrigerating & A-c Engineers

    EIN 020441249 · Headquarters: Rollinsford, NH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. American Society of Heating Refrigerating & A-c Engineers

    EIN 113831894 · Headquarters: Fort Myers, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. American Society of Heating Refrigerating & A-c Engineers

    EIN 222182126 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. American Society of Heating Refrigerating & A-c Engineers

    EIN 223348612 · Headquarters: Danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. American Society of Heating Refrigerating & A-c Engineers

    EIN 232136592 · Headquarters: Kingston, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. American Society of Heating Refrigerating & A-c Engineers

    EIN 237043910 · Headquarters: W Columbia, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. American Society of Heating Refrigerating & A-c Engineers

    EIN 237097163 · Headquarters: Uniontown, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. American Society of Heating Refrigerating & A-c Engineers

    EIN 237101570 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. American Society of Heating Refrigerating & A-c Engineers

    EIN 237105109 · Headquarters: TROY, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. American Society of Heating Refrigerating & A-c Engineers

    EIN 237128910 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. American Society of Heating Refrigerating & A-c Engineers

    EIN 237133412 · Headquarters: Murray, UT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. American Society of Heating Refrigerating & A-c Engineers

    EIN 237134568 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. American Society of Heating Refrigerating & A-c Engineers

    EIN 237146844 · Headquarters: Knoxville, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. American Society of Heating Refrigerating & A-c Engineers

    EIN 237150335 · Headquarters: Greensboro, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. American Society of Heating Refrigerating & A-c Engineers

    EIN 237152940 · Headquarters: Norfolk, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  40. American Society of Heating Refrigerating & A-c Engineers

    EIN 237243098 · Headquarters: Lemoyne, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. American Society of Heating Refrigerating & A-c Engineers

    EIN 237293203 · Headquarters: Tucson, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. American Society of Heating Refrigerating & A-c Engineers

    EIN 237310278 · Headquarters: Mount Pleasant, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. American Society of Heating Refrigerating & A-c Engineers

    EIN 237310386 · Headquarters: Oak Ridge, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. American Society of Heating Refrigerating & A-c Engineers

    EIN 237325235 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. American Society of Heating Refrigerating & A-c Engineers

    EIN 237366206 · Headquarters: Albany, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. American Society of Heating Refrigerating & A-c Engineers

    EIN 237374481 · Headquarters: Wichita, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. American Society of Heating Refrigerating & A-c Engineers

    EIN 237379631 · Headquarters: DAYTON, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. American Society of Heating Refrigerating & A-c Engineers

    EIN 237382599 · Headquarters: TUSTIN, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. American Society of Heating Refrigerating & A-c Engineers

    EIN 237387741 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. American Society of Heating Refrigerating & A-c Engineers

    EIN 237418433 · Headquarters: El Paso, TX, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  51. American Society of Heating Refrigerating & A-c Engineers

    EIN 237425316 · Headquarters: Albuquerque, NM, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. American Society of Heating Refrigerating & A-c Engineers

    EIN 237433796 · Headquarters: Newburgh, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. American Society of Heating Refrigerating & A-c Engineers

    EIN 237448778 · Headquarters: Homewood, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. American Society of Heating Refrigerating & A-c Engineers

    EIN 261401704 · Headquarters: Westminster, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. American Society of Heating Refrigerating & A-c Engineers

    EIN 263497957 · Headquarters: Sterling, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. American Society of Heating Refrigerating & A-c Engineers

    EIN 320219514 · Headquarters: Nashville, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. American Society of Heating Refrigerating & A-c Engineers

    EIN 320465558 · Headquarters: Spokane, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. American Society of Heating Refrigerating & A-c Engineers

    EIN 351489907 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. American Society of Heating Refrigerating & A-c Engineers

    EIN 366581366 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. American Society of Heating Refrigerating & A-c Engineers

    EIN 392070898 · Headquarters: Salt Lake City, UT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. American Society of Heating Refrigerating & A-c Engineers

    EIN 421385012 · Headquarters: Cedar Rapids, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. American Society of Heating Refrigerating & A-c Engineers

    EIN 431417266 · Headquarters: Aurora, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. American Society of Heating Refrigerating & A-c Engineers

    EIN 460341898 · Headquarters: BLACK HAWK, SD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. American Society of Heating Refrigerating & A-c Engineers

    EIN 466038552 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. American Society of Heating Refrigerating & A-c Engineers

    EIN 510153262 · Headquarters: Lubbock, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. American Society of Heating Refrigerating & A-c Engineers

    EIN 510195497 · Headquarters: TONAWANDA, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. American Society of Heating Refrigerating & A-c Engineers

    EIN 561369706 · Headquarters: Raleigh, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Society of Heating Refrigerating & A-c Engineers

    EIN 581909495 · Headquarters: Rumford, RI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. American Society of Heating Refrigerating & A-c Engineers

    EIN 592171926 · Headquarters: TAMPA, FL, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  70. American Society of Heating Refrigerating & A-c Engineers

    EIN 593524180 · Headquarters: Pensacola, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. American Society of Heating Refrigerating & A-c Engineers

    EIN 611014381 · Headquarters: Lexington, KY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. American Society of Heating Refrigerating & A-c Engineers

    EIN 621255953 · Headquarters: NASHVILLE, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. American Society of Heating Refrigerating & A-c Engineers

    EIN 621260644 · Headquarters: Chattanooga, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. American Society of Heating Refrigerating & A-c Engineers

    EIN 626118276 · Headquarters: MEMPHIS, TN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. American Society of Heating Refrigerating & A-c Engineers

    EIN 630858446 · Headquarters: Huntsville, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. American Society of Heating Refrigerating & A-c Engineers

    EIN 630959850 · Headquarters: Mobile, AL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. American Society of Heating Refrigerating & A-c Engineers

    EIN 650030508 · Headquarters: Fort Myers, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. American Society of Heating Refrigerating & A-c Engineers

    EIN 720955415 · Headquarters: Madisonville, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. American Society of Heating Refrigerating & A-c Engineers

    EIN 731170710 · Headquarters: Tulsa, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  80. American Society of Heating Refrigerating & A-c Engineers

    EIN 742521654 · Headquarters: CORPUS CHRISTI, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. American Society of Heating Refrigerating & A-c Engineers

    EIN 770043104 · Headquarters: Turlock, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. American Society of Heating Refrigerating & A-c Engineers

    EIN 810382325 · Headquarters: Bozeman, MT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. American Society of Heating Refrigerating & A-c Engineers

    EIN 831900887 · Headquarters: Springdale, AR, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  84. American Society of Heating Refrigerating & A-c Engineers

    EIN 841108560 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. American Society of Heating Refrigerating & A-c Engineers

    EIN 846117378 · Headquarters: Golden, CO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. American Society of Heating Refrigerating & A-c Engineers

    EIN 880133672 · Headquarters: Reno, NV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. American Society of Heating Refrigerating & A-c Engineers

    EIN 926009991 · Headquarters: Anchorage, AK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. American Society of Heating Refrigerating & A-C Engineers

    EIN 942762892 · Headquarters: Folsom, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. American Society of Heating Refrigerating & A-c Engineers

    EIN 954607730 · Headquarters: San Dimas, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  90. American Society of Heating Refrigerating & A-c Enginners

    EIN 455207035 · Headquarters: Fishers, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. American Society of Heating Refrigerating & AC Engineers

    EIN 366192727 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. American Society of Heating Refrigerating & Ac Engineers

    EIN 820360375 · Headquarters: BOISE, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. American Society of Heating Refrigerating & AC Engineers Region X

    EIN 753078801 · Headquarters: Tucson, AZ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. American Society of Heating Refrigerating and A-c Engineers Fdn

    EIN 586274320 · Headquarters: PEACHTREE CORNERS, GA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. American Society of Heating Refrigeratio and Air Conditioning Engineers Inc

    EIN 237185486 · Headquarters: WAYNE, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. American Society of Heating Refrigeration

    EIN 510153252 · Headquarters: MUNSTER, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. American Society of Heating Refrigeration & A-c Engineers

    EIN 237094406 · Headquarters: Mc Donald, PA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  98. American Society of Heating Refrigeration & A-c Engineers

    EIN 237128564 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. American Society of Heating Refrigeration & A-c Engineers

    EIN 237152944 · Headquarters: Middleton, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  100. American Society of Heating Refrigeration & A-c Engineers

    EIN 237429019 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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