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. Postel Family Credit Union

    EIN 750813625 · Headquarters: Wichita Falls, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Postgraduate Center Residence Ii of New York Inc

    EIN 133411068 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Postgraduate Center Residence Inc

    EIN 133179312 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Postgraduate Center West 98Th Street Residence Inc

    EIN 133651283 · Headquarters: NEW YORK, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Postillion Elder Group Home Inc

    EIN 912074036 · Headquarters: DAVENPORT, IA, USA · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  6. Poston Housing Inc

    EIN 431843385 · Headquarters: GERMANTOWN, TN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. Poston Memorial Monument Committee

    EIN 680253615 · Headquarters: Sacramento, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Postpartum Education for Parents

    EIN 953248563 · Headquarters: Santa Barbara, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Postpartum Support International

    EIN 770196208 · Headquarters: PORTLAND, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Postscripts Federated Club C F W C

    EIN 954051607 · Headquarters: Granada Hills, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Poststopcopcom People of Serious Trauma

    EIN 454400978 · Headquarters: san rafael, CA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  12. Postville Cemetery Association

    EIN 420736250 · Headquarters: POSTVILLE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. Postville Chamber of Commerce

    EIN 421369138 · Headquarters: POSTVILLE, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Postville Education Association

    EIN 421186865 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Postville Educational Support Employees Association

    EIN 421314440 · Headquarters: Postville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Postville Historical Society

    EIN 421062884 · Headquarters: Postville, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Postyourt Inc

    EIN 205400952 · Headquarters: MIDDLETOWN, IN, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  18. Posy Valley Ditch Co

    EIN 930440888 · Headquarters: Halfway, OR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Pot & Kettle Club

    EIN 010218055 · Headquarters: SOUTHWEST HARBOR, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Pot Hole Bass Club

    EIN 911170804 · Headquarters: MOSES LAKE, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Pot Spring Community Assoc Inc

    EIN 526051047 · Headquarters: Timonium, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Potapaug Audubon Society

    EIN 060989785 · Headquarters: ESSEX, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Potapskut Sailing Association Inc

    EIN 526009569 · Headquarters: PASADENA, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Potato Certification Association

    EIN 470383956 · Headquarters: ALLIANCE, NE, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Potato Growers of Michigan Inc

    EIN 382980097 · Headquarters: East Lansing, MI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Potato Growers of Washington

    EIN 911477218 · Headquarters: KENNEWICK, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Potatuck Club Inc

    EIN 060498460 · Headquarters: Newtown, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Potawatomi Bowmen

    EIN 453715274 · Headquarters: Portage, MI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  29. Potawatomi Park Inc

    EIN 351547849 · Headquarters: TIPPECANOE, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  30. Potca

    EIN 873931367 · Headquarters: Cleveland, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Poteau Area Arts & Humanities Council

    EIN 731272520 · Headquarters: Poteau, OK, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  32. Poteau Chamber of Commerce

    EIN 730534052 · Headquarters: POTEAU, OK, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Poteau Foundation for Excellence

    EIN 731277883 · Headquarters: Poteau, OK, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  34. Poteet Cemetery Association Inc

    EIN 113840805 · Headquarters: Poteet, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Poteet Chamber of Commerce

    EIN 742299342 · Headquarters: Poteet, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Poteet Strawberry Festival Association Inc

    EIN 742158676 · Headquarters: POTEET, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Potentia Robotics

    EIN 862598192 · Headquarters: Chantilly, VA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  38. Potential Energy Coalition

    EIN 824652837 · Headquarters: New York, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Potential Re-entry Opportunities in Business and Education

    EIN 251569088 · Headquarters: LEBANON, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Potential Zone Pathways to Growth Inc

    EIN 994914160 · Headquarters: Goodyear, AZ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Potentials Unbound

    EIN 263047622 · Headquarters: cincinnati, OH, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  42. Poterucha Family Foundation

    EIN 376170742 · Headquarters: ROCHESTER, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  43. Poth Little League

    EIN 274833847 · Headquarters: POTH, TX, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Poth Market Days

    EIN 921036190 · Headquarters: POTH, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Potlatch Alumni Scholarship Fund

    EIN 820402822 · Headquarters: POTLATCH, ID, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Potlatch Beach Mutual Water Co

    EIN 916054970 · Headquarters: Kirkland, WA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  47. Potluck Inc

    EIN 710709327 · Headquarters: NORTH LITTLE ROCK, AR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Potomac Academy Corp

    EIN 871348785 · Headquarters: Great Falls, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Potomac Air Lodge 1976 Iamaw Union Retirees Club

    EIN 251766486 · Headquarters: New Brighton, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Potomac Annuitants Club

    EIN 710887396 · Headquarters: Chantilly, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Potomac Appalachian Trail Club

    EIN 530187508 · Headquarters: Vienna, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Potomac Area Hostels

    EIN 851246031 · Headquarters: Silver Spring, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Potomac Area Neighbors Club

    EIN 521444805 · Headquarters: Potomac, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Potomac Area Technology and Computer Society Incorporated

    EIN 541323790 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Potomac Basset Hound Club Inc

    EIN 541642909 · Headquarters: Kensington, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Potomac Bonsai Association

    EIN 237197370 · Headquarters: Richmond, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Potomac Boxer Club Inc

    EIN 264447972 · Headquarters: Vienna, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Potomac Chapter Moaa

    EIN 541418943 · Headquarters: Montross, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Potomac Chapter of the American Society of Landscape Architects

    EIN 900396157 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  60. Potomac Chapter of the Links Inc

    EIN 521708424 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Potomac Charismatic Community Inc

    EIN 237139741 · Headquarters: Gaithersburg, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Potomac Chinese School Inc

    EIN 521158141 · Headquarters: Bethesda, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Potomac Classic Thunderbird Club Inc

    EIN 711048706 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Potomac Conference Corporatin of SDA

    EIN 237229478 · Headquarters: Verona, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Potomac Edison Forerunners

    EIN 521216437 · Headquarters: Hedgesviile, WV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Potomac Edison-post Ret Ben Barg Emp

    EIN 256424759 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Potomac Elementary School Pta

    EIN 526070754 · Headquarters: POTOMAC, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Potomac Falls Nature Conservation and Educational Association Inc

    EIN 521264769 · Headquarters: POTOMAC, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Potomac Fiber Arts Guild Inc

    EIN 237426644 · Headquarters: Walkersville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Potomac Fish and Game Club Inc

    EIN 520677199 · Headquarters: WILLIAMSPORT, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Potomac Geophysical Society

    EIN 814449036 · Headquarters: Leesburg, VA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  72. Potomac Highlands Recreation Center Inc

    EIN 550706581 · Headquarters: FRANKLIN, WV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Potomac Hosta Club Inc

    EIN 541386276 · Headquarters: Burke, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Potomac Hunt Club

    EIN 320416616 · Headquarters: Alexandria, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Potomac Hunt Incorporated

    EIN 520562876 · Headquarters: DICKERSON, MD, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  76. Potomac Institute for Policy Studies

    EIN 541700997 · Headquarters: ARLINGTON, VA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Potomac Lily Society

    EIN 262354795 · Headquarters: Herndon, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Potomac Massage Training Institute

    EIN 521124583 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  79. Potomac Nordic Ski Club

    EIN 414607728 · Headquarters: SPARKS GLENCOE, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Potomac Overlook Homeowers Association Inc

    EIN 541278919 · Headquarters: Mclean, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Potomac Park Camp Grounds Inc

    EIN 550436164 · Headquarters: GAINESVILLE, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. Potomac Place Condominium Association Inc

    EIN 650998586 · Headquarters: Miami, FL, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  83. Potomac Rambling Bares

    EIN 541578293 · Headquarters: Arlington, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Potomac Region Branch 207 Fleet Reserve Association

    EIN 320287508 · Headquarters: FREDERICKSBURG, VA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  85. Potomac Region Cadillac Lasalle Club

    EIN 900528393 · Headquarters: Silver Spring, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Potomac River and Trails Council

    EIN 521141692 · Headquarters: Charlottesville, VA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  87. Potomac River Bible Institute

    EIN 465209415 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Potomac River Smallmouth Club

    EIN 541603764 · Headquarters: Vienna, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Potomac River Sports Foundation Inc

    EIN 237327208 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Potomac Soccer Association Inc

    EIN 521284366 · Headquarters: Germantown, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Potomac Society of Rugby Football Referees

    EIN 521639999 · Headquarters: Herndon, VA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. Potomac Society of Stereo Photographers

    EIN 521093920 · Headquarters: Greenbelt, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Potomac Squash Club Inc

    EIN 510244755 · Headquarters: BETHESDA, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Potomac Station Sailfish

    EIN 541982623 · Headquarters: Leesburg, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Potomac Swimming and Recreation Association Inc

    EIN 520781544 · Headquarters: POTOMAC, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Potomac Theatre Project Inc

    EIN 132960856 · Headquarters: Middlebury, VT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Potomac Valley Alumnae Chapter Fund Incorporated

    EIN 521497672 · Headquarters: ROCKVILLE, MD, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  98. Potomac Valley Belgian Sheepdog Club

    EIN 541673486 · Headquarters: FALLS CHURCH, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Potomac Valley Chapter of Maryland Aia Inc

    EIN 526019459 · Headquarters: COLLEGE PARK, MD, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Potomac Valley Chapter West Virginia University Alumni And

    EIN 550639613 · Headquarters: Keyser, WV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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