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. Lambda Kappa Sigma International

    EIN 956156388 · Headquarters: MUSKEGO, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Lambda Links

    EIN 522164239 · Headquarters: Alexandria, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Lambda Links Inc

    EIN 992765964 · Headquarters: Falls Church, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Lambda Mu Chapter of Chi Omega Fraternity

    EIN 273816282 · Headquarters: CHICAGO, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Lambda Mu Chapter of Chi Omega House Corporation

    EIN 453171602 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Lambda Nu Chapter of Alpha Chi Omega Fraternity Inc

    EIN 833533669 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Lambda Nu Delta

    EIN 833453545 · Headquarters: brooklyn, MD, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  8. Lambda of Virginia

    EIN 881269616 · Headquarters: Charlottesvle, VA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  9. Lambda Omega Sigma Psi Upsilon Inc

    EIN 874611741 · Headquarters: Malibu, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Lambda Owl Foundation

    EIN 481025156 · Headquarters: Lawrence, KS, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  11. Lambda Phi Chapter of Chi Eta Phi Sorority Inc

    EIN 900753834 · Headquarters: Upper Marlboro, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Lambda Phi Epsilon Uta Colony Chapter

    EIN 471719071 · Headquarters: Arlington, TX, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  13. Lambda Pi Chapter of Alpha Chi Omega Fraternity Inc

    EIN 922780500 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Lambda Pi Chapter of Omega Psi Phi Fraternity Inc

    EIN 237383282 · Headquarters: Kinston, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Lambda Pi Eta- Alpha Gamma Iota at Miles College

    EIN 465049406 · Headquarters: Fairfield, AL, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  16. Lambda Psi Nu Lpn Nursing Sorority Pi Chapter

    EIN 883757975 · Headquarters: STREAMWOOD, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Lambda Psi Rho National Board

    EIN 853523374 · Headquarters: Sparks, NV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Lambda Realty Corporation

    EIN 316049568 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  19. Lambda Sigma Epsilon Group Inc

    EIN 455393485 · Headquarters: Louisville, KY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Lambda Sigma Society

    EIN 640942155 · Headquarters: Hattiesburg, MS, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  21. Lambda South Inc

    EIN 592560168 · Headquarters: FORT LAUDERDALE, FL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Lambda State Foundation for Educational Studies Inc

    EIN 371185056 · Headquarters: PRINCETON, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Lambda Tau Honor Society Tarleton State University Chapter

    EIN 205108695 · Headquarters: Fort Worth, TX, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  24. Lambda Theta Alpha

    EIN 811277551 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  25. Lambda Theta Alpha

    EIN 813550302 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  26. Lambda Theta Alpha

    EIN 814269383 · Headquarters: Ithaca, NY, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  27. Lambda Theta Alpha Eta Delta

    EIN 844701419 · Headquarters: ITHACA, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Lambda Theta Alpha Eta Gamma Chapter

    EIN 842722564 · Headquarters: ITHACA, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Lambda Theta Nu Sorority Inc Chi Chapter

    EIN 473212325 · Headquarters: Stanford, CA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  30. Lambda Theta Nu Sorority Incorporated Alpha Phi Chapter

    EIN 474172408 · Headquarters: San luis Obispo, CA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  31. Lambda Theta Phi

    EIN 946108018 · Headquarters: STOCKTON, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Lambda Theta Phi Board of Trustees

    EIN 262991003 · Headquarters: FAIRFIELD, NJ, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Lambda Theta Phi Latin Fraternity Inc - Gamma Epsilon Chapter

    EIN 320460822 · Headquarters: Athens, GA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  34. Lambda Theta Phi Latin Fraternity Inc - Lambda Gamma Chapter

    EIN 352528678 · Headquarters: Union, NJ, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  35. Lambda Theta Phi Latin Fraternity Inc - University of Maryland Colle

    EIN 300861266 · Headquarters: Gaithersburg, MD, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  36. Lambda Xi Chapter of Alpha Chi Omega Fraternity Inc

    EIN 843192489 · Headquarters: INDIANAPOLIS, IN, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Lambda Xi Chapter of Sigma Gamma Rho Sorority Inc

    EIN 263149387 · Headquarters: CONWAY, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Lambda Xi Eta Sorority

    EIN 811719678 · Headquarters: Dallas, TX, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  39. Lambda Zeta Associates Inc

    EIN 043238433 · Headquarters: LEXINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Lambda Zeta Chapter of Chi Omega

    EIN 436072517 · Headquarters: KANSAS CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. Lambda Zeta of Lambda Chi Alpha Inc

    EIN 042106848 · Headquarters: Lexington, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Lambdachialpha-wsu

    EIN 461243265 · Headquarters: Wichita, KS, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  43. Lambert Booster Club

    EIN 271141858 · Headquarters: SUWANEE, GA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  44. Lambert Hill Field Stream Club Inc

    EIN 232299853 · Headquarters: Ardmore, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Lambert House

    EIN 943036815 · Headquarters: SEATTLE, WA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Lambert Softball Booster Club

    EIN 811616380 · Headquarters: Suwanee, GA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  47. Lambert Teachers Organization

    EIN 464454829 · Headquarters: Lambert, MT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  48. Lambert-schulz Post 183

    EIN 874036806 · Headquarters: QUINCY, WA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  49. Lamberton Area Baseball Association

    EIN 612122145 · Headquarters: Walnut Grove, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Lamberton Charles Tuw

    EIN 236242154 · Headquarters: BUFFALO, NY, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  51. Lamberton Chess Private Fdn

    EIN 256033380 · Headquarters: PITTSBURGH, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  52. Lamberton Commercial Club

    EIN 411777027 · Headquarters: Lamberton, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Lamberton Fire Department Relief Association

    EIN 416040227 · Headquarters: Lamberton, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Lambertown Cemetery Inc

    EIN 720945558 · Headquarters: Robeline, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Lambertsville Cemetery Association Inc

    EIN 256063568 · Headquarters: STOYSTOWN, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Lambertville Area Chamber of Commerce

    EIN 222038168 · Headquarters: LAMBERTVILLE, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Lambertville Elks Lodge No 1070

    EIN 220764230 · Headquarters: Lambertville, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Lambertville Ramblers

    EIN 222563976 · Headquarters: Lambertville, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Lambirth Cemetery Assn

    EIN 426060708 · Headquarters: Stockport, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Lamboa Kappa Sigma International

    EIN 472361521 · Headquarters: MUSKEGO, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Lamborn Foundation

    EIN 841183127 · Headquarters: Paonia, CO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. Lambs Bride Project

    EIN 841020418 · Headquarters: Colorado Springs, CO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. Lambs Foundation

    EIN 136138296 · Headquarters: NEW YORK, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Lambs Residence Number Two Inc

    EIN 362971592 · Headquarters: LIBERTYVILLE, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Lambs Workshop Inc

    EIN 020361471 · Headquarters: Bedford, NH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Lambs World Ministries International Inc

    EIN 272103940 · Headquarters: Newport News, VA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  67. Lambswear Inc

    EIN 462424389 · Headquarters: Indianapolis, IN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Lamda Chi Alpha Fraternity Inc

    EIN 870714572 · Headquarters: Durant, OK, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. Lamels Technology Training

    EIN 862684979 · Headquarters: Texarkana, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Lamesa Boys & Girls Club Inc

    EIN 751076737 · Headquarters: LAMESA, TX, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  71. Lamesa Community Players Incorporated

    EIN 751822654 · Headquarters: Lamesa, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Lamesa Dawson County Museum Association

    EIN 752119081 · Headquarters: Lamesa, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Lamesa Foothills Art Association

    EIN 952553138 · Headquarters: La Mesa, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Lamey Cemetery Association

    EIN 251377025 · Headquarters: OIL CITY, PA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Lamine River Hunt Club

    EIN 272432732 · Headquarters: Otterville, MO, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  76. Lamky Luther Whitehead Veterans Memorial Inc

    EIN 521616729 · Headquarters: WHITE MARSH, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Lamm Family Foundation

    EIN 232699481 · Headquarters: BALA CYNWYD, PA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  78. Lammc

    EIN 462408828 · Headquarters: TEMPLE CITY, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Lammertz Henry T W

    EIN 236211475 · Headquarters: SAINT LOUIS, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  80. Lamoille Area Housing Corporation Copley Terrace Project

    EIN 030272055 · Headquarters: MORRISVILLE, VT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  81. Lamoille Area Kidney Transplant Support Inc

    EIN 872226490 · Headquarters: Johnson, VT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. Lamoille Community House Inc

    EIN 842586480 · Headquarters: HYDE PARK, VT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Lamoille County Civic Association

    EIN 030222208 · Headquarters: MORRISIVLLE, VT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Lamoille County Sno-Packers Inc

    EIN 510153625 · Headquarters: Morrisville, VT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Lamoille Home Health Agency Inc

    EIN 030224616 · Headquarters: Morrisville, VT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Lamoille Investment Foundation for Education

    EIN 821086192 · Headquarters: La Moille, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Lamoille Union High School Teachers Association

    EIN 030344288 · Headquarters: Hyde Park, VT, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  88. Lamoille Valleyfish & Game Club Inc

    EIN 036010701 · Headquarters: MORRISVILLE, VT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Lamoille View Cemetery Association

    EIN 036000158 · Headquarters: Johnson, VT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Lamoine Emergency Amateur Radio Club

    EIN 421757600 · Headquarters: Prairie City, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Lamond Family Foundation

    EIN 943204401 · Headquarters: PALO ALTO, CA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  92. Lamoni Education Association

    EIN 421235338 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  93. Lamonica Noodle Plater Basketball C Amp

    EIN 993440643 · Headquarters: SHREVEPORT, LA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Lamontai Improvement District

    EIN 930850945 · Headquarters: COTTAGE GROVE, OR, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. Lamorinda Arts Council

    EIN 946094855 · Headquarters: Orinda, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Lamorinda Republican Women Federated

    EIN 800392820 · Headquarters: Lafayette, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  97. Lamorinda Sunrise Endowment Fund Inc

    EIN 680367042 · Headquarters: LAFAYETTE, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Lamosia Inc

    EIN 133572261 · Headquarters: WHITE PLAINS, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Lamoure Community Development Corpo

    EIN 450308878 · Headquarters: LAMOURE, ND, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Lamoure County Farm Bureau

    EIN 450322882 · Headquarters: EDGELEY, ND, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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