Data / Nonprofits / Ohio / Tiffin
Nonprofits in Tiffin, OH: 214 registered with the IRS
214 nonprofits are registered with the IRS in Tiffin, OH, 160 of them 501(c)(3) charities; the 65 that report revenue took in $190.3 million. The largest by revenue: Tiffin University ($83.9 million), Heidelberg University ($56.2 million), Csji-Tiffin Inc ($8.5 million). Most common causes: youth development (23), human services (21), education (16).
SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.
Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Tiffin University | Education | 501(c)(3) | 2009 | $83.9 million | $111.3 million | 2025-04 |
| Heidelberg University | Education | 501(c)(3) | 1975 | $56.2 million | $206.1 million | 2025-06 |
| Csji-Tiffin Inc | 501(c)(3) | 1946 | $8.5 million | $17.3 million | 2025-06 | |
| NM Group Global LLC Health Benefit Trust | Mutual and membership benefit | 501(c)(9) | 2015 | $5.1 million | $880,107 | 2024-12 |
| Renaissance House Inc | 501(c)(3) | 1982 | $5 million | $2.5 million | 2024-12 | |
| North Central Area Transit | Human services | 501(c)(3) | 1995 | $3.5 million | $4.3 million | 2024-12 |
| The Tiffin Community Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1985 | $3.4 million | $34.6 million | 2024-12 |
| Young Mens Christian Association of Bucyrus-Tiffin Inc | Human services | 501(c)(3) | 1938 | $3.3 million | $9.2 million | 2024-12 |
| Seneca County Commission On Aging Inc | Human services | 501(c)(3) | 1983 | $2.2 million | $2.3 million | 2024-12 |
| Seneca County Agricultural Society Inc | Human services | 501(c)(3) | 2022 | $1.8 million | $2.3 million | 2025-11 |
| Bridges Community Academy | 501(c)(3) | 2022 | $1.5 million | $1.9 million | 2025-06 | |
| Child Evangelism Fellowship of Ohio | Youth development | 501(c)(3) | 2022 | $1.2 million | $1.1 million | 2024-12 |
| Calvert Catholic Schools Educational Foundation | Education | 501(c)(3) | 1976 | $1.2 million | $5.4 million | 2026-06 |
| Tiffin Theatre Inc | Arts, culture and humanities | 501(c)(3) | 1982 | $1.1 million | $2.2 million | 2025-06 |
| Seneca Industrial & Economic Development Corp | 501(c)(3) | 1984 | $1 million | $1.9 million | 2024-12 | |
| Kiwanis Manor of Tiffin Inc | 501(c)(4) | 1969 | $902,894 | $2.2 million | 2024-12 | |
| Mohawk Golf and Country Club Inc | 501(c)(7) | 1924 | $845,295 | $867,790 | 2024-12 | |
| Tiffin Seneca Day Care Center Inc | Human services | 501(c)(3) | 1973 | $792,847 | $435,739 | 2024-12 |
| Amvets | 501(c)(19) | 1954 | $684,594 | $1.1 million | 2025-06 | |
| Seneca Regional Chamber of Commerce & Visitor Services | 501(c)(6) | 1928 | $593,620 | $821,105 | 2024-12 | |
| Seneca County Humane Society | Animal-related | 501(c)(3) | 1962 | $571,247 | $2.1 million | 2025-12 |
| Tiffin Seneca United Way Inc | 501(c)(3) | 1954 | $569,924 | $1.2 million | 2024-04 | |
| Allen Eiry Senior Center Inc | 501(c)(3) | 1975 | $546,866 | $1.6 million | 2025-12 | |
| Casa of Seneca Sandusky and Wyandot Counties | Civil rights, social action and advocacy | 501(c)(3) | 1990 | $476,906 | $491,966 | 2024-12 |
| Fraternal Order of Eagles | 501(c)(8) | 1991 | $412,780 | $652,748 | 2025-05 | |
| International Union United Auto Aerospace & Agricultural Workers | 501(c)(5) | 1941 | $314,546 | $326,138 | 2025-12 | |
| Financial Assistance for Cancer Treatment Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 1992 | $307,844 | $246,861 | 2025-12 |
| Loyal Order of Moose Lodge No 84 | 501(c)(8) | 1935 | $303,936 | $851,701 | 2025-04 | |
| Habitat for Humanity International Inc | 501(c)(3) | 1987 | $302,462 | $831,175 | 2025-12 | |
| Black Swamp VBC | Recreation and sports | 501(c)(3) | 2005 | $300,721 | $86,901 | 2025-12 |
| Veterans of Foreign Wars of the United States Department of Ohio | 501(c)(19) | 1940 | $286,828 | $247,968 | 2025-12 | |
| Knights of Columbus | 501(c)(8) | 1940 | $271,282 | $834,843 | 2025-06 | |
| Patchworks House Inc | Crime and legal-related | 501(c)(3) | 1994 | $260,649 | $210,627 | 2025-06 |
| Amercian Legion | Mutual and membership benefit | 501(c)(19) | 1946 | $226,420 | $562,441 | 2025-11 |
| Franciscan Earth Literacy Center | Religion-related | 501(c)(3) | 1997 | $169,721 | $598,264 | 2025-12 |
| The Barnes-Deinzer Seneca County Museum Foundation Inc | Arts, culture and humanities | 501(c)(3) | 1982 | $154,811 | $1.8 million | 2024-12 |
| Seneca County Farm Bureau Inc | 501(c)(5) | 1947 | $147,384 | $356,329 | 2025-11 | |
| Ohio Athletic Trainers Association | Community improvement and capacity building | 501(c)(6) | 1999 | $146,486 | $575,845 | 2025-12 |
| Seneca County Homeless Coalition | Human services | 501(c)(3) | 2000 | $142,957 | $418,365 | 2025-12 |
| Hopes Landing | Human services | 501(c)(3) | 2021 | $139,966 | $4,506 | 2024-06 |
| Greenlawn Cemetery Association | 501(c)(13) | 1983 | $128,577 | $956,495 | 2025-12 | |
| Sisters in Shelter | Human services | 501(c)(3) | 2014 | $109,699 | $245,916 | 2025-06 |
| Benevolent & Protective Order of Elks of the USA | 501(c)(8) | 1951 | $104,381 | $790,526 | 2026-03 | |
| Hardin County Farm Bureau Inc | 501(c)(5) | 1931 | $93,685 | $107,812 | 2025-11 | |
| Hancock County Farm Bureau Inc | 501(c)(5) | 1948 | $92,673 | $109,469 | 2025-12 | |
| Seneca County Common Ground | Food, agriculture and nutrition | 501(c)(3) | 2022 | $77,234 | $3,079 | 2024-12 |
| Senior Community Center of Kiwanis Manor Inc | Human services | 501(c)(3) | 1971 | $74,918 | $328,994 | 2025-12 |
| Dress Right Dress Inc | Human services | 501(c)(3) | 2019 | $73,443 | $1,725 | 2025-12 |
| Wyandot County Farm Bureau Inc | 501(c)(5) | 1931 | $73,078 | $100,316 | 2025-11 | |
| Heavenly Pizza NP Inc | Employment | 501(c)(3) | 2023 | $65,404 | $59,602 | 2025-12 |
| Big Sticks Baseball Club | Recreation and sports | 501(c)(3) | 2026 | $64,892 | $29,571 | 2025-08 |
| Izaak Walton League of America Inc | 501(c)(3) | 1985 | $64,422 | $428,226 | 2024-12 | |
| Tiffin Historic Trust Inc | Arts, culture and humanities | 501(c)(3) | 1988 | $62,965 | $294,934 | 2025-06 |
| Tiffin Masonic Relief Association | 501(c)(3) | 1951 | $61,994 | $850,995 | 2025-12 | |
| Rotary International | 501(c)(4) | 1942 | $46,991 | $26,359 | 2025-06 | |
| Reclaim It 127 | Human services | 501(c)(3) | 2018 | $42,940 | $10,067 | 2024-12 |
| TCS K-5 Pto | Education | 501(c)(3) | 2008 | $41,584 | $76,449 | 2025-06 |
| Tiffin Youth Sports Association | Youth development | 501(c)(3) | 2017 | $38,711 | $59,657 | 2025-12 |
| Tiffin Band Boosters | Arts, culture and humanities | 501(c)(3) | 2007 | $38,549 | $97,082 | 2025-06 |
| Foundation of Tiffin Rotary Club | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1991 | $37,574 | $144,558 | 2026-06 |
| Tiffin-Seneca Teen Center | 501(c)(3) | 1993 | $31,176 | $14,450 | 2025-12 | |
| East Green Foundation | Environment | 501(c)(3) | 2019 | $16,102 | $2.7 million | 2025-12 |
| Seneca County Home Auxiliary | 501(c)(3) | 1985 | $9,247 | $13,212 | 2025-12 | |
| Tornado Athletic Boosters Club | Public safety, disaster preparedness and relief | 501(c)(3) | 2024 | $4,820 | $54,215 | 2025-12 |
| Kiwanis Club of Tiffin Ohio Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2003 | $3,317 | $47,162 | 2025-09 |
| A Little Faith Ministries | Religion-related | 501(c)(3) | 2014 | |||
| Amateur Radio Emergency Service Sandusky County | Public safety, disaster preparedness and relief | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| American Civil War Museum of Ohioinc | Arts, culture and humanities | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| American Federation of State County & Municipal Employees | 501(c)(5) | 1957 | $0 | $0 | 2025-12 | |
| American Legion Riders of Ohio Post 169 | Public and societal benefit | 501(c)(4) | 2019 | $0 | $0 | 2025-12 |
| American Postal Workers Union | 501(c)(5) | 1973 | $0 | $0 | 2025-05 | |
| Amvets | 501(c)(19) | 1945 | $0 | $0 | 2025-09 | |
| Amvets | 501(c)(19) | 1945 | $0 | $0 | 2025-08 | |
| Ascp Western Lake Erie Chapter | Community improvement and capacity building | 501(c)(6) | 2023 | $0 | $0 | 2025-09 |
| Berean Baptist Fellowship | 501(c)(3) | 1963 | ||||
| Bible Study Church | 501(c)(3) | 1985 | ||||
| Brotherhood of Railroad Signalmen | 501(c)(5) | 1941 | $0 | $0 | 2025-12 | |
| Buckeye Border Collie Rescue Inc | Animal-related | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Buckeye Elite Baseball Org | Recreation and sports | 501(c)(3) | 2025 | |||
| Calvert Catholic Schools | 501(c)(3) | 1946 | 2011-12 | |||
| Calvert Catholic Schools | 501(c)(3) | 1946 | ||||
| Charles D Bud Hering Jr Foundation | 501(c)(3) | 1993 | $1 million | 2025-12 | ||
| Christs Church at Tiffin | Religion-related | 501(c)(3) | 1982 | |||
| Clinton Township Volunteer Firefighters Association | Public safety, disaster preparedness and relief | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Connected Living Communities | Human services | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Crimson River Fellowship | Religion-related | 501(c)(3) | 1997 | |||
| Cub Scout Pack 471 | Youth development | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Cycling Without Age Seneca County | Human services | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| East Green Summer Concert Series | Arts, culture and humanities | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Family Counseling Service Inc | 501(c)(3) | 1975 | $0 | $0 | 2024-12 | |
| First Christian Church | 501(c)(3) | 1951 | ||||
| Fish of Tiffin | 501(c)(3) | 1986 | $0 | $0 | 2025-12 | |
| Fraternal Order of Eagles | 501(c)(8) | 1991 | $0 | $0 | 2025-05 | |
| Fraternal Order of Police | 501(c)(8) | 1972 | $0 | $0 | 2023-12 | |
| Fred C Fox Scholarship Trust | 501(c)(3) | 1971 | $36,325 | 2025-12 | ||
| Free & Accepted Masons of Ohio | 501(c)(10) | 1940 | $0 | $0 | 2025-10 | |
| Friedman Village at St Francis LLC | 501(c)(3) | 1946 | $0 | $0 | 2022-12 | |
| Friends of Seneca County Park District | Environment | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Friends of the Tiffin Bark Park | Recreation and sports | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Friends of the Tiffin-Seneca Public Library | Education | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Giving Birthdays Inc | Human services | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Grace Baptist Church | 501(c)(3) | 1963 | ||||
| Grace Outrageous Ministry Inc | Religion-related | 501(c)(3) | 2014 | |||
| Help and Assistance for Neurological Disorders | Diseases, disorders and medical disciplines | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| High Twelve International | 501(c)(10) | 1968 | $0 | $0 | 2025-12 | |
| Hopewell-Loudon Education Association | Education | 501(c)(5) | 2009 | $0 | $0 | 2025-08 |
| International Association of Fire Fighters | 501(c)(5) | 1940 | $0 | $0 | 2025-12 | |
| International Association of Lions Clubs | 501(c)(4) | 1969 | $0 | $0 | 2024-06 | |
| International Association of Lions Clubs | 501(c)(4) | 1940 | $0 | $0 | 2026-06 | |
| International Association of Lions Clubs | 501(c)(4) | 1967 | $0 | $0 | 2025-06 | |
| International Union United Auto Aerospace & Agricultural Workers | 501(c)(5) | 1941 | $0 | $0 | 2025-12 | |
| Just for Kids of Seneca County | Human services | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Kiwanis Club of Seneca County Inc | Human services | 501(c)(4) | 2022 | $0 | $0 | 2025-09 |
| Kiwanis International Inc | 501(c)(4) | 1959 | $0 | $0 | 2025-09 | |
| Knights Templar of the United States of America | 501(c)(10) | 1964 | $0 | $0 | 2026-05 | |
| Leadership Seneca County Inc | Education | 501(c)(3) | 2003 | $0 | $0 | 2026-06 |
| League of Women Voters of Ohio | 501(c)(4) | 1971 | $0 | $0 | 2025-06 | |
| Longanbach Family Association | Education | 501(c)(3) | 2023 | $0 | $0 | 2025-08 |
| Mandi Borer Foundation | Public and societal benefit | 501(c)(3) | 2025 | |||
| Maranatha Chapel | 501(c)(3) | 1959 | ||||
| Mercy Health - Tiffin Hospital LLC | 501(c)(3) | 1946 | ||||
| Mercy Tiffin Health Foundation | 501(c)(3) | 1946 | ||||
| National Machinery Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1949 | $18 million | 2024-12 | |
| National Society of the Sons of the American Revolution | 501(c)(3) | 1944 | $0 | $0 | 2025-12 | |
| New Beginnings Assembly of God | 501(c)(3) | 1964 | ||||
| Noah Foundation of Ohio Inc | Human services | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Ohio Conservation Association | Environment | 501(c)(3) | 2026 | |||
| Ohio Federation of Mothers of Twins Clubs Inc | Civil rights, social action and advocacy | 501(c)(3) | 1998 | $0 | $0 | 2026-06 |
| Ohio Region 1 Disaster Animal Response Team | Animal-related | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Ohio State University | 501(c)(3) | 2013 | $0 | $0 | 2025-12 | |
| Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Ohio State University | 501(c)(3) | 2013 | $0 | $0 | 2025-12 | |
| Ohio State University Extension Seneca County Master Gardener Asso | Environment | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Old Fort Baseball Club | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Old Fort Local Education Association | 501(c)(6) | 1971 | $0 | $0 | 2025-05 | |
| Old Fort Schools Renovation Committee Inc | Education | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Old Fort Seneca Community Park | Youth development | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Online Writing Centers Association | Education | 501(c)(3) | 2020 | $0 | $0 | 2025-08 |
| Operation Hallmark Inc | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Our Lady of America Devotion | Religion-related | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Pleasant Union Cemetery Asso | 501(c)(13) | 1964 | $0 | $0 | 2026-05 | |
| Professional Registered Nurses Club | 501(c)(6) | 1964 | $0 | $0 | 2026-06 | |
| Psi Chi the National Honor Society in Psychology | 501(c)(3) | 1957 | $0 | $0 | 2025-06 | |
| Rad Action Recreation Evolution | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Redeemer Lutheran Church | 501(c)(3) | 1941 | ||||
| Restoration Alliance Church | 501(c)(3) | 1972 | ||||
| Royal & Select Masons of Ohio | 501(c)(8) | 1941 | $0 | $0 | 2025-12 | |
| Royal Arch Masons of Ohio | 501(c)(8) | 1940 | $0 | $0 | 2026-05 | |
| Royal Arch Masons of Ohio | 501(c)(8) | 1940 | $0 | $0 | 2026-05 | |
| Royal Arch Masons of Ohio Grand Chapter | 501(c)(8) | 1940 | $0 | $879,233 | 2024-08 | |
| Run for Rush | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| San Raphael Radio Inc | Religion-related | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Seneca County Chapter of the Ohio Genealogical Society | 501(c)(3) | 1982 | $0 | $0 | 2026-05 | |
| Seneca County Community Emergency Response Team | Public safety, disaster preparedness and relief | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Seneca County Firemans Association | Public safety, disaster preparedness and relief | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Seneca County Jail Chaplaincy Committee | Crime and legal-related | 501(c)(3) | 1996 | $0 | $0 | 2024-12 |
| Seneca County Seniors On the Go Inc | Human services | 501(c)(3) | 2026 | |||
| Seneca County Young Professionals | Community improvement and capacity building | 501(c)(3) | 2019 | $0 | $0 | 2023-12 |
| Seneca Mentoring Youth Links Foundation | Youth development | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Seneca Proud | Civil rights, social action and advocacy | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Serra International | 501(c)(3) | 1972 | $0 | $0 | 2026-05 | |
| Shawns Last Call | Mental health and crisis intervention | 501(c)(3) | 2026 | |||
| Sigma Tau Nu Alumni Association | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Simply Shop Local Inc | Community improvement and capacity building | 501(c)(3) | 2025 | |||
| Sisters of St Francis Convent | 501(c)(3) | 1946 | ||||
| Stemmunity Inc | Youth development | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Tall Cedars of Lebanon of North America | Mutual and membership benefit | 501(c)(8) | 1942 | $0 | $0 | 2025-12 |
| The Beginning Benny Fitch | Religion-related | 501(c)(3) | 2011 | |||
| The Britten J Hess Memorial Scholarship Trust | Education | 501(c)(3) | 1997 | $66,368 | 2025-12 | |
| The Holy Family Conference Society of St Vincent de Paul | Human services | 501(c)(3) | 2021 | $0 | $0 | 2025-09 |
| The Larry Adelsperger Memorial Scholarship Foundation | Education | 501(c)(3) | 2026 | |||
| The Ohio State University | 501(c)(3) | 2013 | $0 | $0 | 2025-12 | |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | 501(c)(3) | 2013 | $0 | $0 | 2025-12 | |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | Youth development | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| The Ohio State University | 501(c)(3) | 2013 | $0 | $0 | 2025-12 | |
| Tiffin Art Guild Inc | Arts, culture and humanities | 501(c)(3) | 2007 | $0 | $0 | 2026-06 |
| Tiffin Columbian Alumni Association | 501(c)(7) | 1996 | $0 | $0 | 2025-12 | |
| Tiffin Columbian Gridiron Club | Youth development | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Tiffin Eagles Scholarship Foundation Inc | Education | 501(c)(3) | 2023 | $34,112 | 2024-12 | |
| Tiffin Elks Foundation | Food, agriculture and nutrition | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Tiffin First Church of the Nazarene | 501(c)(3) | 1963 | ||||
| Tiffin Foundation for the Advancement of the Arts | Arts, culture and humanities | 501(c)(3) | 2024 | $5,514 | 2026-01 | |
| Tiffin Freewill Baptist Church | Religion-related | 501(c)(3) | 2025 | |||
| Tiffin Glass Collectors Club | 501(c)(3) | 1993 | $0 | $0 | 2025-12 | |
| Tiffin Honor Games | Public and societal benefit | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Tiffin Junior Basketball | Recreation and sports | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Tiffin Middle School Pto | Education | 501(c)(3) | 2020 | $0 | $0 | 2025-06 |
| Tiffin Right To Life | 501(c)(4) | 1985 | $0 | $0 | 2025-12 | |
| Tiffin Saint Joseph Parish | 501(c)(3) | 1946 | 1996-12 | |||
| Tiffin Saint Mary Church | Religion-related | 501(c)(3) | 1946 | |||
| Tiffin Seneca Heritage Festival Incorporated | 501(c)(4) | 1982 | $0 | $0 | 2025-11 | |
| Tiffin Seneca Library Foundation | Education | 501(c)(3) | 1992 | $6.3 million | 2025-12 | |
| Tiffin Soccer Club | Recreation and sports | 501(c)(3) | 2010 | $0 | $0 | 2024-04 |
| Tiffin Tomorrow | Community improvement and capacity building | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Tiffin-Seneca Heritage Village & School Days Inc | Arts, culture and humanities | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Tillys Christmas for Kids Charity | Human services | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| U S S Goldsborough DDG 20 Association | Public and societal benefit | 501(c)(19) | 2000 | $0 | $0 | 2025-12 |
| United Veterans Council of Seneca County | Public and societal benefit | 501(c)(19) | 2019 | $0 | $0 | 2025-12 |
| Webster Foundation Inc | 501(c)(3) | 1975 | $1 | 2023-12 | ||
| Your Legacy Federal Credit Union | 501(c)(1) | 2013-12 |
By cause in Tiffin, OH
- Youth development 23
- Human services 21
- Education 16
- Religion-related 10
- Recreation and sports 9
- Arts, culture and humanities 9
- Public safety, disaster preparedness and relief 5
- Community improvement and capacity building 5
- Public and societal benefit 5
- Environment 4
- Philanthropy, voluntarism and grantmaking foundations 4
- Animal-related 3
- Civil rights, social action and advocacy 3
- Mutual and membership benefit 3
Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.