Nonprofits in Tiffin, Ohio

Nonprofits in Tiffin, Ohio. Browse 287 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. Longanbach Family Association

    EIN 872996539 · Headquarters: TIFFIN, OH, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Maranatha Chapel

    EIN 341823495 · Headquarters: Tiffin, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  3. Mercy Hospital of Tiffin Ohio

    EIN 344431174 · Headquarters: Tiffin, OH, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990

  4. Mercy Tiffin Health Foundation

    EIN 341499894 · Headquarters: Tiffin, OH, USA · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990

  5. Mohawk Golf and Country Club Inc

    EIN 344307415 · Headquarters: TIFFIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. National Active and Retired Federal Employees Association

    EIN 237073397 · Headquarters: Tiffin, OH, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  7. National Association of Letter Carriers

    EIN 346556668 · Headquarters: Tiffin, OH, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  8. National Machinery Foundation Inc

    EIN 346520191 · Headquarters: TIFFIN, OH, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  9. National Society of the Sons of the American Revolution

    EIN 311325242 · Headquarters: Tiffin, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. NM Group Global LLC Health Benefit Trust

    EIN 467518358 · Headquarters: Tiffin, OH, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Noah Foundation of Ohio Inc

    EIN 273303450 · Headquarters: TIFFIN, OH, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. North Central Academy

    EIN 272292010 · Headquarters: Tiffin, OH, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. North Central Area Transit North Central Area Transit

    EIN 341762284 · Headquarters: TIFFIN, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Northern Ohio Representative Payee Service

    EIN 010909358 · Headquarters: TIFFIN, OH, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  15. Ohio Athletic Trainers Association

    EIN 311113346 · Headquarters: TIFFIN, OH, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. Ohio Federation of Mothers of Twins Clubs Inc

    EIN 346582683 · Headquarters: TIFFIN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Ohio Liberty Council Corp

    EIN 270326042 · Headquarters: Tiffin, OH, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  18. Ohio Region 1 Disaster Animal Response Team

    EIN 263363575 · Headquarters: Tiffin, OH, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Ohio Special Olympics Inc

    EIN 341639662 · Headquarters: TIFFIN, OH, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  20. Ohio State Grange of Patrons of Husbandry

    EIN 341515679 · Headquarters: tiffin, OH, US · Food, Agriculture & Nutrition · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  21. Ohio State University

    EIN 815230681 · Headquarters: TIFFIN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Ohio State University

    EIN 843556112 · Headquarters: TIFFIN, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Ohio State University

    EIN 991120729 · Headquarters: TIFFIN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Ohio State University Extension Seneca County Master Gardener Asso

    EIN 264405559 · Headquarters: Tiffin, OH, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Old Fort Baseball Club

    EIN 334290029 · Headquarters: TIFFIN, OH, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Old Fort Local Education Association

    EIN 237113452 · Headquarters: Tiffin, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Old Fort Progressors 4-H Club of Seneca County

    EIN 352165756 · Headquarters: Tiffin, OH, US · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  28. Old Fort Schools Renovation Committee Inc

    EIN 030487460 · Headquarters: TIFFIN, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Old Fort Seneca Community Park

    EIN 341702648 · Headquarters: Tiffin, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Online Writing Centers Association

    EIN 852849109 · Headquarters: TIFFIN, OH, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Operation Hallmark Inc

    EIN 992173482 · Headquarters: TIFFIN, OH, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Optimist International

    EIN 341587617 · Headquarters: Tiffin, OH, US · Youth Development · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  33. Our Lady of America Devotion

    EIN 814112432 · Headquarters: Tiffin, OH, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Patchworks House Inc

    EIN 341769005 · Headquarters: TIFFIN, OH, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  35. Pleasant Union Cemetery Asso

    EIN 346527914 · Headquarters: Tiffin, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Pleasant View Cemetery Assn

    EIN 344467608 · Headquarters: TIFFIN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Professional Registered Nurses Club

    EIN 346542427 · Headquarters: Tiffin, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Promise Gate Inc

    EIN 341916210 · Headquarters: TIFFIN, OH, USA · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  39. Psi Chi the National Honor Society in Psychology

    EIN 521538577 · Headquarters: TIFFIN, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Rad Action Recreation Evolution

    EIN 993098274 · Headquarters: Tiffin, OH, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Reclaim It 127

    EIN 823620253 · Headquarters: TIFFIN, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Renaissance House Inc

    EIN 341301950 · Headquarters: TIFFIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Rock Creek Cemetery Association

    EIN 346532100 · Headquarters: TIFFIN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Royal & Select Masons of Ohio

    EIN 344343614 · Headquarters: Tiffin, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Royal Arch Masons of Ohio

    EIN 161653773 · Headquarters: Tiffin, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Royal Arch Masons of Ohio

    EIN 344343512 · Headquarters: Tiffin, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Run for Rush

    EIN 412455066 · Headquarters: Tiffin, OH, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. San Raphael Radio Inc

    EIN 611732387 · Headquarters: Tiffin, OH, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Seneca Aquatic Club

    EIN 341893750 · Headquarters: Tiffin, OH, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  50. Seneca Autism Learning and Support Association Salsa

    EIN 264163658 · Headquarters: Tiffin, OH, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  51. Seneca County Agricultural Society Inc Agricultural

    EIN 344445012 · Headquarters: TIFFIN, OH, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  52. Seneca County Chapter of the Ohio Genealogical Society

    EIN 341340849 · Headquarters: Tiffin, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Seneca County Commission on Aging

    EIN 341187601 · Headquarters: TIFFIN, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Seneca County Common Ground

    EIN 844330182 · Headquarters: TIFFIN, OH, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Seneca County Community Emergency Response Team

    EIN 460817469 · Headquarters: Tiffin, OH, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Seneca County Council on Homelessness Inc

    EIN 341864799 · Headquarters: TIFFIN, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Seneca County Farm Bureau

    EIN 346527738 · Headquarters: Tiffin, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Seneca County Firemans Association

    EIN 141872554 · Headquarters: TIFFIN, OH, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Seneca County Fisters

    EIN 832099081 · Headquarters: Tiffin, OH, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  60. Seneca County Home Auxiliary Mary Lou Steele Barnes

    EIN 341369411 · Headquarters: Tiffin, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Seneca County Jail Chaplaincy Committee

    EIN 341840596 · Headquarters: Tiffin, OH, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Seneca County Jr Fair Foundation

    EIN 341287762 · Headquarters: Tiffin, OH, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  63. Seneca County Young Professionals

    EIN 843488978 · Headquarters: Tiffin, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Seneca Habitat for Humanity

    EIN 341536262 · Headquarters: TIFFIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Seneca Industrial & Economic Development Corp

    EIN 341414993 · Headquarters: TIFFIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Seneca Mentoring Youth Links Foundation

    EIN 823046164 · Headquarters: Tiffin, OH, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Seneca Networking Professionals

    EIN 452798170 · Headquarters: Tiffin, OH, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  68. Seneca Proud

    EIN 882898711 · Headquarters: Tiffin, OH, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Seneca Regional Chamber of Commerce & Visitor Services

    EIN 344373480 · Headquarters: TIFFIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Senior Community Center of Kiwanis Manor Inc

    EIN 341089516 · Headquarters: TIFFIN, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Serra International

    EIN 237549231 · Headquarters: TIFFIN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Sigma Tau Nu Alumni Association

    EIN 932056634 · Headquarters: Tiffin, OH, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Sisters in Shelter

    EIN 463859361 · Headquarters: TIFFIN, OH, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Soroptimist International of the Americas Inc

    EIN 346608085 · Headquarters: Tiffin, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  75. Spiva-manley House Inc

    EIN 463695256 · Headquarters: TIFFIN, OH, US · Community Improvement & Capacity Building · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  76. Splash of Love from Home Inc

    EIN 850724217 · Headquarters: TIFFIN, OH, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  77. St Francis Home Auxiliary

    EIN 346555107 · Headquarters: Tiffin, OH, US · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  78. St Francis Home Inc

    EIN 341437965 · Headquarters: Tiffin, OH, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  79. St Francis Senior Ministries Day Care Inc

    EIN 203401507 · Headquarters: Tiffin, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  80. St Francis Senior Ministries Memorial Foundation Inc

    EIN 341543995 · Headquarters: TIFFIN, OH, USA · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990

  81. St Francis Villas Inc

    EIN 341628903 · Headquarters: Tiffin, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  82. Stemmunity Inc

    EIN 834639760 · Headquarters: Tiffin, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Tall Cedars of Lebanon of North America

    EIN 521745415 · Headquarters: Tiffin, OH, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Tcs K-5 Pto

    EIN 262022224 · Headquarters: TIFFIN, OH, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Tecc

    EIN 823551092 · Headquarters: Tiffin, OH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  86. The Enchanted Moment Doll Museum-gallery Inc

    EIN 270284365 · Headquarters: TIFFIN, OH, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  87. The Holy Family Conference Society of St Vincent De Paul

    EIN 352537157 · Headquarters: Tiffin, OH, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. The Humane Society of Seneca County

    EIN 340928925 · Headquarters: TIFFIN, OH, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. The Mohawk Country Club

    EIN 344413738 · Headquarters: TIFFIN, OH, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. The Ohio State Univeristy

    EIN 833306461 · Headquarters: TIFFIN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. The Ohio State Univeristy

    EIN 833492915 · Headquarters: TIFFIN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. The Ohio State Univeristy

    EIN 834487814 · Headquarters: Tiffin, OH, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  93. The Ohio State University

    EIN 113695211 · Headquarters: TIFFIN, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. The Ohio State University

    EIN 202333102 · Headquarters: TIFFIN, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. The Ohio State University

    EIN 202839663 · Headquarters: TIFFIN, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. The Ohio State University

    EIN 208478491 · Headquarters: TIFFIN, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. The Ohio State University

    EIN 208916837 · Headquarters: TIFFIN, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. The Ohio State University

    EIN 260242596 · Headquarters: TIFFIN, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. The Ohio State University

    EIN 261434255 · Headquarters: TIFFIN, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. The Ohio State University

    EIN 261460326 · Headquarters: TIFFIN, OH, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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